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Re: [TowerTalk] Aluminum tubing

To: <>
Subject: Re: [TowerTalk] Aluminum tubing
From: Tek Supp <>
Date: Fri, 18 Dec 2009 14:10:39 -0700
List-post: <">>
Roger (K8RI), do you have any pictures of your 16" swivel arm?  I'm curious if 
I could make something like that for myself.



> I use 20' of 1 1/2" galvanized steel fence tubing.  with a  16" swivel 
> arm at the top so it can lower masting or tower sections in line with 
> the tower.  It lifts 45G sections with no noticeable flexing. OTOH if 
> there is some side force it will spring without bending.  I've lifted 
> well over 150# with it with very little deflection. I use a pulley on 
> top, the lifting pulley is floating on the rope, and the end of the rope 
> ties off at the end of the offset arm making heavy lifts relatively easy.




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