[TowerTalk] Anchor placement - Rohn 45G

[Bill Hider]

Check the yellow pages for "Hot Rod machine shop" or "Drag Racing Shop".
These guys know
what high-strength steel is all about.  They use it for racing axels.
Believe me - this is no joke.

Bill, N3RR

----- Original Message -----
From: <K7LXC@aol.com>
To: <w5kp@swbell.net>; <n4kg@juno.com>; <TOWERTALK@contesting.com>;
<nielsen@oz.net>
Sent: Thursday, May 31, 2001 1:34 PM
Subject: Re: [TowerTalk] Anchor placement - Rohn 45G


> In a message dated 5/31/01 4:58:34 AM Pacific Daylight Time,
w5kp@swbell.net
> writes:
>
> > This will
> >  also be my first experience with big grips, so that's another little
> >  learning curve. I hope they work as slick as people say. Is it
advisable
> (or
> >  permissible) to add a cable clamp for insurance near the dead end of
big
> >  grips?
>
>     There is no dead end with Preformed grips - the guy wire goes straight
> into the grip.
>
> >  Have read a couple of scare stories about them suddenly slipping,
> >  don't need that when my old wrinkley butt's up there.
>
>     Unless the wrong grip is used for a given cable (wrong lay, wrong
> material, etc.) it's hard to see how it would slip even under pretty large
> forces. If it slips - something is wrong somewhere. I guess it would be
> possible but the chances are pretty danged remote.
>
> >  Still looking
> >  locally for a mast, haven't been able to find anybody yet in the
Oklahoma
> >  City area who even knows what SAE 1026 or 1027 2" tubing is, but have
only
> >  talked to pipe guys, need to talk to the specialty tubing guys, I
guess, or
> >  the race car shops. All I've see so far here is ASTM "A-xxx" specs for
> >  oilfield pipe, vice automotive chassis tubing. Since this is an oil
town,
> >  lots of folks have 1-1/2" heavy wall pipe that is 1.900" OD, but the
yield
> >  specs on it are only about 30,000 to 35,000 lb, which is about half of
what
> >  I understand the SAE stuff is. Of course, you can get it in wall
> thicknesses
> >  up to 5/8" (would that be a heavy mast or what!). I'll keep looking.
>
>     Yes - the pipe guys are the wrong ones to be talking to. You need a
real
> tubing supplier and I'll bet you a nickel there's at least one in OK City.
>
> Cheers,    Steve   K7LXC
> Champion Radio Products
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