In a message dated 10/15/02 7:31:47 AM Pacific Daylight Time, n4kg@juno.com
writes:
> You may want to consider using a crane or boom truck
> to insert your mast. The most scary thing I ever did on
> a tower was insert a 24 ft mast in the top of a 130 ft
> tower using a standard 12 ft Rohn GIN pole. I do NOT
> recommend that approach. A sturdy (thick wall) 20 ft
> tube (preferably aluminum) securely attached to the
> outside of the tower with a pulley at the top is another
> viable method for knowledgable tower riggers. You need
> to really understand all the forces involved and the
> capabilities of your materials. This is a DANGEROUS
> process. The SAFEST approach is a crane or boom truck.
>
Yep - a tower activity that involves a high "pucker factor".
Cheers,
Steve K7LXC
TOWER TECH
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