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[TowerTalk] t2x, c31xr and ef240x

To: <towertalk@contesting.com>
Subject: [TowerTalk] t2x, c31xr and ef240x
From: k6ll@juno.com (k6ll@juno.com)
Date: Wed, 1 Sep 1999 12:22:19 -0600


On Wed, 1 Sep 1999 13:28:00 -0500 brunet@us.ibm.com writes:
>
>
>
>It looks like the T2X can't handle a C31XR and a EF240X.  The torque 
>spec on the
>T2X is 3400 ft lbs (weight x turning radius).  The turning radius of 
>the EF240X
>is 25.1' the weight of the two antennas is 120 lbs and a 20' chrome 
>moly is
>about 140 lbs for a torque of 25.1 x 260 = 6526 ft-lbs.  Is this 
>correct logic?

Not really.

turn radius x wt = effective moment
c31xr  23.8 x 82 =  1952
ef240  25.1 x 38 =   954
mast  0.083 x 140 =   12
total effective moment = 2918 ft pounds.
The t2x is rated for 3400 ft-lbs, so you are good.
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