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[Towertalk] Mast Coupler

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Subject: [Towertalk] Mast Coupler
From: (
Date: Wed, 11 Sep 2002 22:05:45 EDT
In a message dated 9/11/02 2:36:20 PM Eastern Daylight Time, writes:

> Has anyone built the shock absorbing mast coupler described in Leeson's
> "Physical Design of Yagi Antennas"?

The better way for large antennas is to use rotator that ramps up its speed 
gradually and then coasts to stop. No need for shock absorbers.
The best rotators are the ones using self locking worm gear drive, (no need 
for brakes) and with speed control. Good old Telrex comes to mind.

Yuri, K3BU

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