[TowerTalk] Tilting a DX-70

[al.n6ta at gmail.com]

The current Tashjian tilt over design pivots the vertical tower about 8.5'
above the base of the tower.  It is balances at the CG of the tower so not
in the middle of the collapsed tower.  So when it is tilted over the whole
tower is 8' off the ground and horizontal.
There is a cable that controls the tilting/pivoting which is managed by a
winch and pulley system.  It seems that it will tilt past horizontal but
only about 6 degrees per Tashjian.  My question is how far bast horizontal
will it go until metal collides.
US Tower tilts with the pivot at the base which puts a lot of force on the
threaded rod in the concrete.  It would seem that both techniques work but I
favor the DX-70 heavy duty features and have to consider how to mount the
mast and antenna once it is horizontal and hanging at 8' above ground.
I may need to build a work platform from which to work once the tower is
horiz.
Al
N6TA

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Sent: Saturday, June 26, 2021 8:59 AM
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Subject: TowerTalk Digest, Vol 222, Issue 22

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