In a message dated 11/23/2008 4:17:52 A.M. Pacific Standard Time,
towertalk-request@contesting.com writes:
> I won't bore the?readers with the usual retread questions.? Already did
the reading etc. and lowered the old beam a month ago.? This is one on how to
rig the haul line to pull up the 110 lb SteppIr yagi.
> The tram line is to be rigged about 3 feet above the top on the Rohn 45
tower which has a flat top plate.? The boom will be mounted right above the
top plate.? The tram line is continuous in that it goes thru a pulley and down
to a 'back stay point'.? Trying to allow the tram line some ability to move
but direct?most?of the force down the mast to the rotor.
> If I can pull the beam up as far as it can get, to the haul line pulley,
I plan to relax the tram line and let it settle the boom down where it will
rest on the top plate until I can use other means to raise it the 6 inches to
the boom to mast plate.
Sounds good to me.
For those interested in more information, I have a chapter from my
way-behind-schedule tower book with illustrations that I can send you.
Cheers,
Steve K7LXC
TOWER TECH
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