Towertalk
[Top] [All Lists]

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

To: David Gilbert <xdavid@cis-broadband.com>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] New ROTOR design at VISALIA DX convention
From: Kelly Taylor <ve4xt@mymts.net>
Date: Mon, 23 Apr 2012 12:03:44 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Not sure it answers the problem entirely, but Dave, I noticed there is a bar
that connects box to a second tower leg. That spreads out the load, but I'm
not convinced that it's by enough.

Curious as to whether you are still worried.


On 4/23/12 11:24 AM, "David Gilbert" <xdavid@cis-broadband.com> 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
>> _______________________________________________
>> 
>> 
>> 
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 


_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>