[amsat-bb] Yaesu G-5500 rotator boom mounting

[Michael Walker]

I took some 1" aluminum angle that I got at Home Depot.

I cut a piece about the length of the elevation rotor mount and placed it
in the rotator on top of the fiberglass boom.

My clamps now pull down on top of the boom and help to bite to keep it in
place.  Sorry, I can't get a picture since it is on the roof at the moment,
but if I climb up there, I will grab one.

I would do a sketch and add it to the email, but this is such an
archaic mail tool, it won't accept attachments.

Mike va3mw


On Wed, Aug 12, 2020 at 8:16 AM Bob Hammond via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> I can send pics to those who'd like to see how I did things.  They are too
> big to post on the BB.
>
> Bob W7OTJ
>
> On Tue, Aug 11, 2020 at 7:02 PM Bob Hammond <propgrinder at gmail.com> wrote:
>
> > Thanks everyone for the ideas.
> >
> > In my situation, I use a 1.25" solid fiberglass rod as the cross boom
> with
> > a split PVC pipe shim inside the EL rotor.
> > I used strips of 3M anti-slip tape between the fiberglass rod and the PVC
> > pipe for added friction where clamped.
> >
> > This has worked quite well until we had temps near 100 F.  I think the
> > anti-slip tape adhesive got soft and started slipping.
> > Part of the problem is that my three antennas are mounted on the end of
> > their booms so there's a fair amount of torque/moment arm on the cross
> boom
> > and the clamping area.
> >
> > I'll put my antenna counterbalance back on the cross boom opposite the
> > antennas and that should take care of the issue during hot weather.  I
> had
> > removed it thinking the less mass to rotate/elevate would make my rotor
> > gears last longer.
> >
> > Bob W7OTJ
> >
> > On Fri, Aug 7, 2020 at 11:02 AM Ed Krome <e.krome at comcast.net> wrote:
> >
> >> Just the included clamps have proven adequate for a pair of 12’ long
> >> yagis.
> >>
> >> Ed Krome K9EK
> >>
> >> Sent from my iPhone
> >>
> >> > On Aug 7, 2020, at 12:35 PM, Bob Hammond via AMSAT-BB <
> >> amsat-bb at amsat.org> wrote:
> >> >
> >> > How do others attach their fiberglass boom to the elevation rotor on
> a
> >> > G-5500?  Just use the boom clamps provided?  Make a sleeve to fit
> >> between
> >> > the smaller fiberglass boom and elevation rotor inside diameter?
> Drill
> >> a
> >> > hole and pin it?
> >> >
> >> > All ideas appreciated.
> >> >
> >> > Bob W7OTJ
> >> > _______________________________________________
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> >> of AMSAT-NA.
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> >>
> >>
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
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>