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Re: [TowerTalk] T2X Sticking

To: "Mike" <k4gmh@arrl.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] T2X Sticking
From: "Steve Katz" <stevek@jmr.com>
Date: Mon, 26 Nov 2012 10:27:27 -0800
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Is this happening with the rotator at or near the end stop (S normally,
could be N)?  Or does it happen with the rotator in any position?

73 de Steve WB2WIK

===================================================

Hello,

What can be causing my T2X to stop turning after a high wind gust?

Have a T2X that won't turn after experiencing a strong, more than 30
MPH, wind.  Then a day or two later the wind has subsided and the T2X
starts to turn.  For example, on Saturday gusts were up to 45 MPH.  The
T2X stopped turning after the high winds subsided (didn't try to turn
the T2X in the high wind).  On Friday, the T2X did turn okay (low winds
- 10 MPH max.).
Sunday evening with calm conditions, wind 10 MPH max., the T2X turned
okay.  This no turn scenario has happened other times.

Do not try to turn the T2X when the wind is strong.  When do try to turn
the T2X, release the brake, try to turn it CCW and the CW.  Neither
direction works until after a day or two of relatively quiet winds.

The T2X is at 120 ft on the tower and approx. another75 feet to the
shack.
Use 12 gauge wire for supplying power to release the solenoid in the T2X
and 14 gauge for motor and sensor.  The phase reversal capacitor is
located at the rotor.  The solenoid voltage out of the controller is as
expected (don't remember exactly the value, but was within spec.).

Any help on figuring out the problem will be helpful.

  73,
  Mike, K4GMH
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