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Re: [TowerTalk] flexible mast coupling

To: Towertalk <>
Subject: Re: [TowerTalk] flexible mast coupling
From: Bob K6UJ <>
Date: Thu, 5 Apr 2012 18:53:42 -0700
List-post: <">>
interesting Mike,  I'll check it out


On Apr 5, 2012, at 3:55 PM, Mike wrote:

> On 4/5/12 2:35 PM, wrote:
>>>  As I see my stack of beams swinging back and forth in the  wind I am
>> thinking about adding a flexible shaft coupling above the rotor
>> to  absorb the shock,  I have read somewhere about using automotive drive
>> shaft  flex couplings and adapt them to clamp on to
>> our 2" masts.  I used to  have one of Bill Orr, W6SAI books on antennas and
>> if I remember right he used  one for a Volvo, and it
>> had a rubber donut between two flanges.  Anyone  make a flexible coupler
>> for their mast and would share what you used  ?
> Yaesu makes a shock mount for their rotors. If you don't have a Yaesu 
> rotor, maybe it could be adapted.
> 73, Mike NF4L
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