You REALLY need to have a Mechanical Engineer
look at your design to be sure you are not overloading
the tower and / or BASE during the raising process.
A friend designed a 70 ft tilt base Rohn 25 mechanism
and had to build his own VERY HEAVY DUTY BASE
to support the very high loads when the tower is close
to the ground. He lifted from TWO points on the tower
with an elevated support. It was NOT a simple design.
On Thu, 13 Jun 2002 10:48:55 EDT KB2HUK@aol.com writes:
> Hello All! I have a question , I have a 60 foot Universal aluminum
> with a log periodic and a dual band vertical along with a rotor so I
> around 100 lbs. at the end of my tower . Climbing this tower for
> repairs is
> out of the question. I was thinking of using a winch to pull it up
> or to
> lower it for repairs or adjustments. does anyone have experience
> with this
> type of system ? I would like to know What type of winch to use
> what type of
> cable, what do you attach the winch to? should I keep the top of
> the tower
> as light as possible ? how far up do I hook the cable to the tower?
> Any info
> or insight would be greatly appreciated ! thanks John KB2HUK
> Also This tower project is not complete yet I only have the first 10
> ' of
> tower in the concrete ... room for changes. thanks
> Towertalk mailing list
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