I have just taken my calipers to a piece of the new and old cables on my
TX489MDPL. With them set at 1/4" the cables slide through easily. When
set to 3/16" the cables do not pass. Most of the pulleys are 3 1/2".
"Dick Green". wrote:
>
> My 70' tubular U.S. Tower crank-up does not use 1/4" cables for extending and
> retracting the tower. I think they're 3/16" or thereabouts. However, the
> tilt-over raising fixture does use 1/4" cable and I would estimate that the
> pulleys are not much more than 3 1/2" in diameter. Of course, this is a very
> low-duty cycle, occasional-use cable that is never under load for very long
> (and can be removed and stored indoors when not in use.)
>
> 73, Dick, WC1M
>
> -----Original Message-----
> From: Roger Borowski - K9RB . <wa9eka@worldnet.att.net>
> To: Jleikhim@nettally.com <Jleikhim@nettally.com>
> Cc: towertalk@contesting.com <towertalk@contesting.com>
To: <towertalk@contesting.com>
> Date: Saturday, January 10, 1998 9:21 AM
> Subject: Re: [TowerTalk] Interesting crank-up failure story
>
> >Hi Joe,
> >I was not aware that US Tower was using 1/4" cable over 3 1/2" dia. pulleys!
--
Joe Leikhim KE4TZH
Jleikhim@nettally.com
"tv dinner by the pool,
i'm so glad i finished school" -F.Zappa 1967
"The Revolution will NOT be televised" -Gil Scott Heron
--
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