[CQ-Contest] Rotatable Guy Ring for portable/DX pedition mast
zl2tze at yahoo.com.au
Tue Sep 20 21:58:54 PDT 2011
I did my rotatable slip rings on the cheap they lasted 9
Years before the high winds dealt to my pole..
It depend on how much money you want to spend . this is how I did my 50 MM
water pipe but mine was a 6.5 mtr length on top of a 6 mtr
wind mill tower.. On top of that was a Hornet TB 750 Tri-bander !!!
I cut 1 mtr of the length and threaded both then used a socket to rejoin
them I the got a 50mm flange end took to it with a lathe
so that it fitted over the 50mm pipe the socket 1 mtr down stopped it
sliding down the pipe .
I did a similar thing at 3 mtrs up but I didn't cut the pipe I lathed out a
second flange and portioned this at 3 mtrs and then welded it there
in place as a stop , I then used ( I think a 70mm socket that I welded 3
eyes to it for the 1/4 wire rope ) slid that down on top of the welded
flange and this was my second bearing ,,
I think the whole lot cost me about 30 NZ dollars back then for the Sockets
and Flanges .
Hope this helps
From: Mike Fatchett W0MU
Date: 21/09/2011 11:35:02
To: towertalk at contesting.com; cq-contest at contesting.com; Jim Spears
Subject: [CQ-Contest] Rotatable Guy Ring for portable/DX pedition mast
I am looking for a couple of guy rings that we can use to guy a couple
of sticks of 20ft water pipe in J6 and still be able to rotate them by
hand. Our host is still securing the pipe I asked for 1.5 inch to 2
inch do pipe.
I have seen the slip rings for the fiberglass poles and that might work
with some sort of support underneath.
Ideas and sources would be appreciated.
J6/W0MU November 21 - December 1 2011 CQ WW DX CW
W0MU-1 CC Cluster w0mu.net
More information about the CQ-Contest