[TowerTalk] Aluminum tubing

Tek Supp teksaport at hotmail.com
Fri Dec 18 13:10:39 PST 2009


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.


Thanks

John

K7ALA

 
 		 	   		  
_________________________________________________________________
Your E-mail and More On-the-Go. Get Windows Live Hotmail Free.
http://clk.atdmt.com/GBL/go/171222985/direct/01/


More information about the TowerTalk mailing list