[Towertalk] Mast Coupler?

[Mark]

Yep . agree . but, them of us who been there done that have our "clean
shorts degree" ... depends on weight of the mast, eh?
6dx
----- Original Message -----
From: "Steve Katz" <stevek@jmr.com>
To: "'Mark'" <AA6DX@pacbell.net>; "Jim White, K4OJ" <k4oj@tampabay.rr.com>;
<sparks@apk.net>
Cc: <towertalk@contesting.com>
Sent: Friday, September 27, 2002 2:23 PM
Subject: RE: [Towertalk] Mast Coupler?


> This seems beaten to death now, but honestly, who can't support a 16'
> aluminum 2" mast by holding its lower four feet length, as anybody more
than
> 5'6" tall could do, belted near the top of a tower?  This means holding a
25
> pound mast below its center of gravity, but this isn't particularly
> difficult on a calm day.  A 100-lb mast is a different story...
> -WB2WIK/6
>
> "If everything seems under control, you're just not going fast enough." -
> Mario Andretti
>
> > -----Original Message-----
> > From: Mark [SMTP:aa6dx@pacbell.net]
> > Sent: Friday, September 27, 2002 1:53 PM
> > To: Jim White, K4OJ; sparks@apk.net
> > Cc: towertalk@contesting.com
> > Subject: Re: [Towertalk] Mast Coupler?
> >
> > The problem here is that this is like holding a broom by its last 3
> > inches,
> > in a vertical position, and DOING something with it... sure, you can do
> > that
> > .. but not for VERY LONG ... and  Jim has it right .. in this instance,
a
> > killer-diller gin pole is not needed .. just some assistance, and
> > steadying
> > factor... like, a heavy duty piece of conduit clamped to the tower legs
at
> > the top, and a pulley up "yonder" --  so you can navigate while holding
on
> > for dear life!  IMHO .. 73, Mark  6dx  (Been there, done that)
> > ----- Original Message -----
> > From: "Jim White, K4OJ" <k4oj@tampabay.rr.com>
> > To: <sparks@apk.net>
> > Cc: <towertalk@contesting.com>
> > Sent: Friday, September 27, 2002 1:01 PM
> > Subject: Re: [Towertalk] Mast Coupler?
> >
> >
> > > if you are using two pieces spliced why bother with the extension...
> > > typically a splice is synonymous with failure point, eh?
> > >
> > > Suspect you want to have about half of it in the tower and half of it
> > > out of the tower - better to use a 16 footer and borrow a gin pole in
my
> > > opinion...
> > >
> > > You can fabricate a gin pole for this application if need be - be sure
> > > to make it tall enough that you can elevate the middle to half the
masts
> > > length above the top of the tower - otherwise you will need
> > > counterweights, etc. - and significantly will increase the "pucker
> > > factor"  (that is a direct quote from the list moderator re this type
of
> > > work)
> > >
> > > K4OJ
> > > >
> >
> >
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