On 4/29/2011 12:25 AM, Guy Molinari wrote:
> Anyone have any recommendations for mounting a Ham IV atop a 2" mast section.
> I'm building a standoff mount on one of my towers for a 3 element SteppIR.
> I've got some 2" angle iron that I'm going to bolt in place of 2 sets of
> steps on my AB-105 tower. This will allow for about a 4' piece of mast held
> about 10-12" from the tower.
> Now I just need to track down a mount for the Ham IV. I should get about
> 100 degrees or so of azimuth. Together with the 180 feature of the SteppIR
> it should do the trick for JA/CA mults and for keeping the US off my QRG when
> I've got the big boys pointed at EU.
I would strongly suggest a thrust bearing be mounted above the Ham IV
even though side mounted. The SteperIR would be a heavy load on the
rotator at the top of a tower, let alone on top of a 4' mast to add
> Any thoughts?
> Guy, N7ZG
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