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Foldover tower raising fixture

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Subject: Foldover tower raising fixture
From: (Leikhim, Joe)
Date: Wed, 29 Jan 1997 23:32:35 -0500
Paul Ash wrote:
> Hello!
> I am interested in building/purchasing a raising fixture for my
> crankup/foldover tower. I understand that at least one of these
> is availible commercially. 

Paul, I have a US Tower TX489MDPL 89 foot motorized tower, It has the 
TRX80HD mast raising fuxture. This "heavy duty" fixture lists at $567.00 
and weighs 155 lbs. This is their middle sized fixture. The "standard" 
is smallest is $431 and the largest "heavy duty" model is $799.

The fixture consists of a verticle .250" wall box member 6" x 2" about 
7.25 feet high with  a pair of .250" wall box members each 2" x 2" about 
4.5 feet long as leg supports angled from about 3 feet up the verticle 
down to two of the tower leg supports on the tower base. The unit has a 
3.25" and 5.25" pulleys at the top and a pair of 3.25" pulleys mounted 
on the central leg of the tower. A hand winch pulls the 1/4" cable 
through the large pulley to one of the small pulleys on the tower, back 
to the small pulley on the fixture, back through the second small pulley 
on the tower and terminates at an "eye" on the fixture. The unit is 
pretty impressive. You could probably construct something along these 
lines for your tower if you had ready access to the proper materials and 
welding equipment. However it does require proper attachment to the 
tower base and on the tower itself for the pulleys. 

I think that having the proper attachment points on the base and 
the tower itself might pose the largest safety risk in constructing one.

Even if the tower and base are equipped for it, I would check the market 
for a good price on one ready made before building one.
Joe Leikhim

"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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