Author: Hans Hammarquist via TowerTalk <towertalk@contesting.com>
Date: Fri, 26 Jan 2018 08:03:41 -0500
I wonder if the old idea of using two 20 foot steel beams in an X configuration anchored to the ground with screw anchors would work.According to the script each anchor has a pull-up rating of 14,000
Sure, outriggers work on trailer mounted crank-ups or pneumatic masts. Enough stiffness/strength in the outrigger and long enough and the need for mass or a hole in the ground goes away. Grant KZ1W O
Author: Fred Keen via TowerTalk <towertalk@contesting.com>
Date: Fri, 26 Jan 2018 17:51:16 +0000 (UTC)
My Ryerson book is not handy, but there is some serious weight in a wide flange, say 8' or 10" web that is 20'0 long. And then there is consideration for the "fixed to ground" part. Fred KC5YN Sure,
8" either 18.4 or 23 lb/ft (skinny web or thick web) so 20 ft is on the order of 4000 lb. you might not even need ground anchors<grin> Actually, if your ground anchors are suitable, you could use le