Fw: [TowerTalk] Mast Collars

[Jim W7RY]

----- Original Message -----
From: "Jim W7RY" <w7ry at centurytel.net>
To: <k4oj at tampabay.rr.com>
Sent: Monday, August 04, 2003 8:42 PM
Subject: Re: [TowerTalk] Mast Collars


> Use a "riser clamp". They are used to hold vertical runs of pipe in large
> buildings.
>
> When the concrete is poured, large holes are put into the concrete for
> running such vertical runs of building fire sprinklers.
>
> Next time your in a stair well in a large building, look at the fire
> sprinkler pipes running vertical through the concrete. They are supported
in
> the
>
> large holes in the concrete by "riser clamps".
>
> They are available from large industrial plumbing distributiers. Or stop
by
> the construction site and ask for one.
>
> 73 and good luck!
> Jim W7RY
>
> ----- Original Message -----
> From: "Jim White, K4OJ" <k4oj at tampabay.rr.com>
> To: "Larry Emery" <k1uo at prexar.com>
> Cc: <Towertalk at contesting.com>
> Sent: Monday, August 04, 2003 7:44 PM
> Subject: Re: [TowerTalk] Mast Collars
>
>
> > Some of the locals use a u-bolt with a saddle... I prefer to use a
> > Hygain toothed boom to mast mount.
> >
> > K4OJ
> >
> >
> >
> >
> > Larry Emery wrote:
> > > Somewhere...recently...I read about using a 'Split Collar' to help
hold
> a mast
> > > above the thrust bearing while extending the mast above the tower
before
> > > installing the rotor.   Hope this makes sense?
> > > Question here is where can one get those split collars?
> > >
> > > Thanks, Larry K1UO
> > >
> > >
> > > _______________________________________________
> > >
> > > 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 at 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 at contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
>