[TowerTalk] Rotator cage design

Michael Tope W4EF at dellroy.com
Fri Jun 15 08:13:34 PDT 2012

I think the cage pictured on the G0HWC website is the same cage sold in 
the U.K. by Tennamast


Also, Greg Ordy W8WWV has a homebrew cage on his website:


73, Mike W4EF..............

On 6/14/2012 4:52 AM, john at kk9a.com wrote:
> I agree with Kurt, adding a bearing plate is the best approach for your
> tower. Here is one example: http://www.g0hwc.com/latest_projects.html
> GL,
> John KK9A
> from [Rick Kiessig]	[Permanent Link][Original]
> To:	<towertalk at contesting.com>
> Subject: [TowerTalk] Rotator cage design
> Date:	 Thu, 14 Jun 2012 18:02:12 +1200
> I understand that rotators are not designed to handle lateral loads, and
> that I should therefore have the rotator on one shelf, then a second shelf
> above that with a radial support bearing on it, to handle the lateral
> loads. The most likely antenna at the moment (still a moving target)
> weighs 29kg, with a 7.2 sq ft wind load and a 6m turning radius. Kurt K7NV
> suggested welding two plates on the side of my pole/tower, at the top, a
> few feet apart. Does anyone know of existing designs/drawings for that
> kind of
> thing?
> 73, Rick ZL2HAM

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