[Towertalk] Any glaring discrepancies?

[WYsixK]

I also would suggest a different rotator.  I have an HDR300 that has
been seriously overloaded for 20 years and it has been nearly flawless.


--- k6ll@despammed.com wrote:
> > After the fourth iteration I have made the 'final' decisions.  The
> Spring
> > (?) antenna/tower project will consist of 70' AN Wireless tower
> (*massive*
> > windloading spec!), TH7 at 5' above top of tower, Cushcraft A3WS
> w/30m
> > add-on at 80', and 40m rotatable dipole at 85'.  All of this will
> be
> > (hopefully!) turned by a HAM IV rotor using a <fill-in-the-type>
> 20' mast.
> > (five feet of mast 'nested' in tower)  I will be making one 100'
> run of
> > LMR-400 to an Ameritron remote coax switch at the top of the tower.
>  (Two
> > 'spare' coax runs will be installed on the tower.)
> 
> A few thoughts:
> 
> I don't like Ham-IV's. The top and
> bottom halves are held together by
> self-tapping screws that are a weak
> link. It's very
> embarrassing to come home and find the
> bottom half of the rotor sitting stationary on
> the rotor plate, four screws lying in
> the grass at the base of the tower,
> and the antennas and top half of the rotor freewheeling in the wind!
> 
> I'd swap the Ham-IV for a Tailtwister.
> 
> I would feel better with about 1/3 of
> the mast inside the tower.
> 
> I'd put the TH-7 at 70' instead of
> 75. The extra 5 feet wouldn't do anything for you, and you need more
> separation from the WARC antenna.
> 
> I'd put that little A3 at the top of the
> mast, with the 40 dipole right below or above it, at a 90 degree
> angle. That's your best bet for avoiding interaction on all the
> bands.
> 
> Let us know how you make out with the AN
> Wireless tower. Not much customer
> feedback on here yet.
> 
> Dave, K6LL
> K6LL@despammed.com
> 
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