That makes it even easier to clamp the rotator directly onto the top cap.
Whoops... I just realized.... my rocket launcher is the AB-621, the larger
diameter, heavier-duty unit. Otherwise same as AB-577, but that accounts for
the larger diameter top cap. Sorry for the confusion.
73, Jerry K3BZ
----- Original Message -----
From: "Dick Green WC1M" <wc1m@msn.com>
To: "'Jerry K3BZ'" <k3bz@arrl.net>; "'Dana Roode'" <dana.roode@gmail.com>;
<towertalk@contesting.com>
Sent: Tuesday, May 31, 2005 7:08 PM
Subject: RE: [TowerTalk] Rotor on AB577
> I just measures, and the top cap mast adapter on the AB-577 is 2.35" OD.
>
> > -----Original Message-----
> > From: Jerry K3BZ [mailto:k3bz@arrl.net]
> > Sent: Monday, May 30, 2005 8:49 PM
> > To: Dana Roode; towertalk@contesting.com
> > Subject: Re: [TowerTalk] Rotor on AB577
> >
> >
> > The top cap on my AB577 tapers down to 2.75" OD, and with
> > 1/2" wall thickness the ID is 1.75". A short piece of pipe
> > will fit in the 1.75" center hole. Drill a hole thru the
> > pipe to accept a 3.5" bolt so it extends out , such that when
> > you insert the pipe in the hole the bolt fits neatly into the
> > slot in the top cap. That holds the pipe "mast" and keeps it
> > from turning so you can mount your rotator on the pipe. Of
> > course the bottom clamp on some rotors (such as the AlfaSpid)
> > will expand to fit 2.75" so you can mount it directly onto
> > the top cap, with the antenna mounted to a short piece of
> > pipe on the top.
> >
> > Just some ideas.... 73, Jerry K3BZ
> >
> > ----- Original Message -----
> > From: "Dana Roode" <dana.roode@gmail.com>
> > To: <towertalk@contesting.com>
> > Sent: Monday, May 30, 2005 8:34 PM
> > Subject: [TowerTalk] Rotor on AB577
> >
> >
> > > Hi all,
> > >
> > > I have a AB577 mast and I need to put a rotor on it - if
> > someone out
> > > there has done this and would like to share your approach with me,
> > > please drop me a line. I built an adaptor I am not completely
> > > satisfied with out of the top piece I got for the 577. Does anyone
> > > know if other top pieces for the mast are available somewhere? For
> > > example, a mast adaptor to take the 5" diameter mast down to 2"?
> > >
> > > Dana
> > > k6nr@arrl.net _______________________________________________
> > >
> > > See: http://www.mscomputer.com for "Self Supporting Towers",
> > > "Wireless
> > Weather Stations", and lot's more. Call Toll Free,
> > 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
> > >
> > > _______________________________________________
> > > TowerTalk mailing list
> > > TowerTalk@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/towertalk
> > >
> >
> >
> >
> >
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
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