I have a Cushcraft 402-CD right at the top of the tower and a KT34XA 12
feet above it on a 4130 moly mast. I put the 40 meter beam at the bottom
because it is more likely to need service and to keep element droop away
from the tribander.
I rotate the whole thing with a Ham IV. The weakest link is probably the
brake and that would be the first to break. I would feel more secure with
a Tailtwister but I'm swimming in Ham IVs.
mohammad almutairi wrote:
> Hello everyone,
> This is my first message. PSE QRS
> I have recently purchased two new antennas. The Force 12 C31XR &
> Cushcraft XM-240.I am planning to put both antennas on the same tower
> mast. I have read somewhere that positioning the antennas 90 Deg of
> each other helps eleminate any interaction between them , how true is
> that ? . The part of mast sticking out of the tower is 9 ft long. In
> what arrangement should the antennas be arranged in?, who's on top?.
> With regards to spacing the antennas is the 9 ft sufficient.
> The tower is about 60 ft high.
> The rotor that will be turning the antennas is the HAM IV .
> The weight of the C31Xr = lb 82 W/L 10.5 Sq.Ft
> The weight of the XM240 = lb 55 W/L 5.5 Sq.Ft
> The mast weight = lb 40
> Total = lb 177
> Is the HAM IV rotator capable of rotating the 177 lbs mentioned above.
> Thank you
> Mohammad 9K2UB
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