http://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&feed=atom&action=historyGin pole welding project - Revision history2024-03-29T15:33:35ZRevision history for this page on the wikiMediaWiki 1.20.2http://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=3793&oldid=prevDosman at 16:19, 3 January 20192019-01-03T16:19:04Z<p></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The last thing I would add is a drill hole or other attachment device to the mast mount so you can have a lanyard for attaching the rig to your belt or harness. It's not critical, but a nice thing I think I may do before using it again.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>The last thing I would add is a drill hole or other attachment device to the mast mount so you can have a lanyard for attaching the rig to your belt or harness. It's not critical, but a nice thing I think I may do before using it again.</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>[[Category:dosman projects]]</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>[[Category:dosman projects<ins class="diffchange diffchange-inline">]] [[Category:Radio</ins>]]</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1017&oldid=prevDosman: /* Construction */2012-12-07T16:27:09Z<p><span dir="auto"><span class="autocomment">Construction</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>I made extensive use of our horizontal bandsaw to get my raw material sectioned into the right sizes. All of the metal stock I used came from a local mega home store and another hardware store in town. I sized my kit to support a 1<del class="diffchange diffchange-inline">.5</del>" rigid conduit pole. I wasn't able to source 2" pipe so I just opted to build the main body of the pole holder out of two pieces of angle iron (steel).  </div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>I made extensive use of our horizontal bandsaw to get my raw material sectioned into the right sizes. All of the metal stock I used came from a local mega home store and another hardware store in town. I sized my kit to support a 1<ins class="diffchange diffchange-inline">-1/4</ins>" rigid conduit pole. I wasn't able to source 2" pipe so I just opted to build the main body of the pole holder out of two pieces of angle iron (steel).  </div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Here are some of my first welds on this project:</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>Here are some of my first welds on this project:</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1016&oldid=prevDosman: /* Final thoughts */2012-12-07T04:33:49Z<p><span dir="auto"><span class="autocomment">Final thoughts</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The gin pole worked and got me a free 30' antenna tower. But I'm not going into the antenna mast removal business anytime soon. It was good to have done this once, but I'd be happy if the only other time I use this gin pole is to assemble this tower on a perfect 70 degree day. My best friend and I did this in early December with unseasonably warm weather (<del class="diffchange diffchange-inline">50</del>'s). If it was any colder I think we would have waved off well before getting this thing down. We powered through and got the job done though.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The gin pole worked and got me a free 30' antenna tower. But I'm not going into the antenna mast removal business anytime soon. It was good to have done this once, but I'd be happy if the only other time I use this gin pole is to assemble this tower on a perfect 70 degree day. My best friend and I did this in early December with unseasonably warm weather (<ins class="diffchange diffchange-inline">low 40</ins>'s). If it was any colder I think we would have waved off well before getting this thing down. We powered through and got the job done though.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>There was one small piece I left out of my setup from the ebay kit I found. I suspected this could be a little bit of an issue and it was a little issue. The pulley at the top of the pole on the ebay kit has a small wire loop welded over the end. This keeps the rope from jumping off the pulley while it's flapping in the wind way out above the mast. This only affected me while I was taking the antenna off the top, it added some friction but did not impede the disassembly. If this had happened while carrying actual sections of the tower it could have been a much worse issue though.  </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>There was one small piece I left out of my setup from the ebay kit I found. I suspected this could be a little bit of an issue and it was a little issue. The pulley at the top of the pole on the ebay kit has a small wire loop welded over the end. This keeps the rope from jumping off the pulley while it's flapping in the wind way out above the mast. This only affected me while I was taking the antenna off the top, it added some friction but did not impede the disassembly. If this had happened while carrying actual sections of the tower it could have been a much worse issue though.  </div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1015&oldid=prevDosman: /* Construction */2012-12-07T04:30:20Z<p><span dir="auto"><span class="autocomment">Construction</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>| [[Image:Ginpole04.jpg|none|thumb|250px|Gin pole kit]]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>| [[Image:Ginpole04.jpg|none|thumb|250px|Gin pole kit]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">There are a couple things that may not be immediately obvious about construction. First, the pulley cap that sits at the top of the pole has a hole drilled into the top horizontal plate the pulley is welded to. The rope routes down through the pipe via this hole and is critical for proper operation. Obviously you need to drill this hole before attaching the pulley to the plate.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Also, the pulley that mounts at the bottom of the tower has to be cut so it can be welded to its mast mount clamp. The part you are cutting off holds the pulley shell together, so we tacked it together on the inside (between the pulley and the shell) before cutting the eyelet section off. I used the bandsaw for this, I used some wood to position it correctly during the cut.</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">Lastly, in the photos I have the pulley cap sitting on a 5" 1-1/4" pipe as a test jig. This pipe has no other purpose, it was just for testing components before I purchased the full 10' length pipe. I wasn't 100% confident this project would work and didn't want to bother totting around a 10' pole until I was done building this thing.</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Finished ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Finished ==</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1014&oldid=prevDosman: /* Final thoughts */2012-12-07T04:01:18Z<p><span dir="auto"><span class="autocomment">Final thoughts</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>The gin pole worked and got me a free 30' antenna tower. But I'm not going into the antenna mast removal business anytime soon. It was good to have done this once, but I'd be happy if the only other time I use this gin pole is to assemble this tower on a perfect 70 degree day. My best friend and I did this in early December with unseasonably warm weather (50's). If it was any colder I think we would have waved off <del class="diffchange diffchange-inline">about half way through</del>. We powered through and got the job done.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>The gin pole worked and got me a free 30' antenna tower. But I'm not going into the antenna mast removal business anytime soon. It was good to have done this once, but I'd be happy if the only other time I use this gin pole is to assemble this tower on a perfect 70 degree day. My best friend and I did this in early December with unseasonably warm weather (50's). If it was any colder I think we would have waved off <ins class="diffchange diffchange-inline">well before getting this thing down</ins>. We powered through and got the job done <ins class="diffchange diffchange-inline">though</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>There was one small piece I left out of my setup from the ebay kit I found. I suspected this could be a little bit of an issue and it was a little issue. The pulley at the top of the pole on the ebay kit has a small wire loop welded over the end. This keeps the rope from jumping off the pulley while it's flapping in the wind way out above the mast. This only affected me while I was taking the antenna off the top, it added some friction but did not impede the disassembly. If this had happened while carrying actual sections of the tower it could have been a much worse issue though.  </div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>There was one small piece I left out of my setup from the ebay kit I found. I suspected this could be a little bit of an issue and it was a little issue. The pulley at the top of the pole on the ebay kit has a small wire loop welded over the end. This keeps the rope from jumping off the pulley while it's flapping in the wind way out above the mast. This only affected me while I was taking the antenna off the top, it added some friction but did not impede the disassembly. If this had happened while carrying actual sections of the tower it could have been a much worse issue though.  </div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1013&oldid=prevDosman: /* Usage */2012-12-07T03:51:16Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least 6 inches to a foot above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least 6 inches to a foot above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is <del class="diffchange diffchange-inline">below </del>near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is near the mast mount <ins class="diffchange diffchange-inline">(either all the way lowered or no more than a few feet above)</ins>. Again, the center of gravity needs to be <ins class="diffchange diffchange-inline">well </ins>below you while you are remounting <ins class="diffchange diffchange-inline">or it will become a dangerous object you are fighting with</ins>. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>== Final thoughts ==</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1012&oldid=prevDosman: /* Usage */2012-12-07T03:47:35Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
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<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there<del class="diffchange diffchange-inline">. </del>loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least 6 inches to a foot above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least 6 inches to a foot above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1011&oldid=prevDosman: /* Usage */2012-12-07T03:47:17Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 03:47, 7 December 2012</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 72:</td>
<td colspan="2" class="diff-lineno">Line 72:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least a foot <del class="diffchange diffchange-inline">or so </del>above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least <ins class="diffchange diffchange-inline">6 inches to </ins>a foot above the tie-off point of any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1010&oldid=prevDosman: /* Usage */2012-12-07T03:46:32Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 03:46, 7 December 2012</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 72:</td>
<td colspan="2" class="diff-lineno">Line 72:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least a foot or so above any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least a foot or so above <ins class="diffchange diffchange-inline">the tie-off point of </ins>any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it a few inches up and off the mast, then guide the part as it's lowered to the ground. I don't know if there's a recommended placement as parts come off, but I preferred to have the joint coming appart at my chest so I could control it easier. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. The top section of a tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section which was probably part of the issue. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td></tr>
</table>Dosmanhttp://www.bloominglabs.org/index.php?title=Gin_pole_welding_project&diff=1009&oldid=prevDosman: /* Usage */2012-12-07T03:45:30Z<p><span dir="auto"><span class="autocomment">Usage</span></span></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black;">Revision as of 03:45, 7 December 2012</td>
</tr><tr><td colspan="2" class="diff-lineno">Line 72:</td>
<td colspan="2" class="diff-lineno">Line 72:</td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>First, assemble the pole when you get on-site. Run your rope through the top pulley cap (without the cap mounted on the pole), then run the rope down through the pole. You will need to let gravity pull the rope through. so tilt the pole up as far as you can and jam rope down it. Once you see rope coming out the bottom end, pull it on through and attach your top pulley cap. Next put the mast mount onto the pole. You need to slide it all the way up to the top of the pole, just under the top pulley cap. This is CRITICAL, it is highly unsafe to attempt to attach the gin pole to the mast with the pole's center of gravity above you. Now you are ready to climb the tower with your gin pole. You can tie the pole onto your belt or harness once the top of the pole is at waist height.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="background: #ffa; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least a foot or so above any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it up. <del class="diffchange diffchange-inline">You should be below </del>but <del class="diffchange diffchange-inline">able </del>to <del class="diffchange diffchange-inline">reach </del>the <del class="diffchange diffchange-inline">piece </del>coming <del class="diffchange diffchange-inline">off</del>. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. <del class="diffchange diffchange-inline">Sections </del>of tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>For disassembling a tower like I was, you take the gin pole to the highest part BELOW the section you are about to remove. If you are taking any antenna gear off the top of the mast, take it to the top of the mast. Then very carefully attach the pole to the mast. Once it's on there. loosen the pole sinch bolts and slide the pole so the top is as high as it can go or at least a foot or so above any piece coming off. Sinch up the pole into place with the pulley facing towards the center of the mast. Tie your gin pole rope to the part you are removing, remove all bolts attaching said piece, then have your rope person below pull it <ins class="diffchange diffchange-inline">a few inches </ins>up <ins class="diffchange diffchange-inline">and off the mast, then guide the part as it's lowered to the ground</ins>. <ins class="diffchange diffchange-inline">I don't know if there's a recommended placement as parts come off, </ins>but <ins class="diffchange diffchange-inline">I preferred </ins>to <ins class="diffchange diffchange-inline">have </ins>the <ins class="diffchange diffchange-inline">joint </ins>coming <ins class="diffchange diffchange-inline">appart at my chest so I could control it easier</ins>. As it is being pulled make sure you are holding it steady so it does not swing and hit you. Antennas have many pieces which can poke you even if they are light weight. <ins class="diffchange diffchange-inline">The top section </ins>of <ins class="diffchange diffchange-inline">a </ins>tower can be deceivingly top-heavy. On the tower I used this on, the antenna rotator was still mounted in the mast section <ins class="diffchange diffchange-inline">which was probably part of the issue</ins>. Even though the rope was tied at about the 2/3rd's section above what I thought was the center of gravity, it was still slightly heavier at the top so it flopped around more than I liked after it came off<ins class="diffchange diffchange-inline">. Fortunately I had a firm grasp of it as it came off and was prepared for the worst, so I gently twisted it upside down and then guided it to the ground</ins>.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>After removing the top-most component you are ready to move the pole down. It is CRITICAL that you lower the gin pole back down so the top pulley is below near the mast mount. Again, the center of gravity needs to be below you while you are remounting. Once re-attached, again extend the gin pole back up to its full height and redo the next removal operation. Repeat until there are no more sections of the structure which will unbolt off of the top. Also be VERY careful to not loose control of the pole as it's sliding down. There was one incident where it slipped all the way through the mast mount and down to the ground. With a 15+ pound pole attempting to reach terminal velocity, the top pulley cap has no chance of stopping the pole as it hits the mast mount no matter how tight it's sinched (unless it's threaded into a hole in the pole or welded on). Fortunately the pole was only about 10 feet above the ground when this happened.</div></td></tr>
</table>Dosman