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Re: [TowerTalk] New ROTOR design at VISALIA DX convention

To: towertalk@contesting.com
Subject: Re: [TowerTalk] New ROTOR design at VISALIA DX convention
From: W0MU Mike Fatchett <w0mu@w0mu.com>
Date: Mon, 23 Apr 2012 10:38:04 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
I have concerns about the side mount too.  There is no way I would mount 
a big yagi like that.

Mike W0MU

W0MU-1 CC Cluster w0mu.net


On 4/23/2012 10:24 AM, David Gilbert wrote:
>
> Very interesting, but that side mount version bothers me rather a lot.
> No matter how strong the rotator itself may or may not be, I find it
> difficult to believe that a single leg clamp like that wouldn't simply
> twist around on the leg.  People have such problems even when using much
> larger clamping surfaces on two inch diameter masts with less leverage
> than a side mount would have.
>
> Maybe more importantly, the potential rotational torque of a 25 sq ft
> antenna in the vertical plane (36 foot boom trying to act like a
> propeller) would be incredible ... not sure how it wouldn't bend the leg
> of the tower given the roughly seven inch span of the mount.
>
> I really like the stackable mast clamps on the other versions, though
> ... that's a pretty neat idea.  Each is independent so the clamping
> forces always add up, and if you need more area you just add more clamps.
>
> 73,
> Dave   AB7E
>
>
>
>
>
> On 4/23/2012 8:31 AM, JoshL wrote:
>> Geezzz,  If you are like me , you have experienced
>> many ROTOR  failures over the years -
>> from problems with controllers,  direction sensors,
>> to a SHAFT actually shearing off -
>>
>> W7CY has a new product , worth checking out
>> The Control cable works fine at  500 ft length !
>> It  uses STEP  motor with digital controller .
>>
>> this is NOT you Daddy's rotor !
>>
>> *www.cytorq.com   *
>>
>> The CYDWINDER is side mount  -  with likely
>> future UPGRADE to larger motor -  I dislike
>> TIC RINGS - hard to install, hard to maintain
>> and tricky to climb around -  this is a solution
>> to that problem.  One hardcore  contester friend
>> had many TIC rings at his old QTH,  he told me
>> " never again "  !
>>
>> Check out the WEB SITE -  you can download
>> SPEC sheets for various products
>>
>> Josh   N7XM   Nevada
>> _______________________________________________
>>
>>
>>
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>>
> _______________________________________________
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>
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