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Re: Re: M2 Rotator mast



Vic:

Charlie's post reminded me that my aluminum shaft came in a separate package too.
(premature senility on my part?) Hope that you get it soon and good luck with the
antenna project. Let us know how it all turns out!

73
Mark Fossum - N0NSV

Charles Hall wrote:

> Vic -
>
> Some notes in addition to Mark's-
> 1)  It sounds like you may not have received the aluminum center shaft
> yet.  The aluminum center shaft was shipped to me in a separate shipping
> container from the fiberglass tubes. (The assembly/instructions sheet
> was also packaged with the aluminum rod.)  My guess would be that the
> aluminum rod got separated from the other package in shipping and may
> show up in a day or two.
>
> 2)  When you get all of the crossboom pieces together, you might want to
> check the fit of the crossboom to the G5500 rotor.  I found that I
> needed to "shave off" 1/4" of length from both fiberglass tubes at the
> rotor ends (the ends with the drilled holes) to make things fit.  I
> wasn't too happy in doing this since it reduces the overlap between the
> aluminum rod and the fiberglass tubes, but that appeared to be my only
> choice short of looking for a different crossboom.
>
> I am slowly assembling the station at home here.  I have only been on
> the analog satellites for two days so far as a portable station under
> the Field Day callsign K9LA.
>
> I hope this too helps. 73, Charlie, KC9LA  <KC9LA@amsat.org>
>
> "Mark D. Fossum" wrote:
> >
> > Hi Vic:
> >
> > I went through the same scenario a few years ago. First, the M2 crossboom should
> > have a short chunk of 1.5" aluminum stock with two holes in it. That's made to
> > pass through the elevation rotator and pin the two fiberglass tubes on each side.
> > (I mentioned this because you didn't state if there was an aluminum shaft in the
> > kit)
> >
> > For the 1.5" hardware vs. 2.0" inch tube size: I contacted M2 about the problem
> > and they promptly forwarded a pair of 1.5" X 2' fiberglass shafts. Each of the
> > fiberglass shafts fit inside the tubing, M2 recommended that I simply use an
> > epoxy to weld the tubing and shaft together leaving about 6" sticking out to
> > mount my KLM hardware. (I cheated and left 1' stick out, giving me a wider
> > crossboom in the process) Pinning the two really isn't neccessary since
> > fiberglass is made with an epoxy and fiber mix, it's critical to make sure both
> > parts are very clean before 'welding' them together. Mine were up for several
> > years in North Dakota before I moved to Minnesota, they were solid upon my last
> > inspection.
> >
> > Hope this helps you Vic. I know many people on the reflector have run into this
> > problem before.
> >
> > 73
> > Mark Fossum - N0NSV
> >
> > VICZARICH@aol.com wrote:
> >
> > > I have a Yaesu G5500 rotator and two circular polarized KLM beam antenneas
> > > that I am ready to put up on the tower. I opened the box that my M2 heavy
> > > duty fiberglass cross beam came in and found that it is in two pieces and
> > > that the outside diameter is 2 inches, much larger than the 1 1/2 inches that
> > > the rotator allows. The inside diameter is about 1 1/2 inches however. Am I
> > > supposed to use a piece of 1 1/2 outside diameter pipe between the two pices
> > > of mast, and how am I supposed to affix the antennea mounting brackets to the
> > > mast? The clamps are way too small.  Help!  I hope somebody has experienced
> > > the same thing and can help.
> > > Thanks in advance, Vic  KE6DID
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> >
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