I used a 3 pulley system with the "falling derrick" method
to tilt up my 50 ft aluminum tower. I pulled the rope
by tying it to the trailer hitch of my van. The method
definitely scales up.
Rick N6RK
Larry Molitor said:
>
> The top of my 90 footer is a little heavier. I use a 0.070 wall 40 foot
> pipe for the gin pole with a double line pully system ala N6RK. It's all
> I can do to raise the vertical the first few feet off the ground by
> myself. When I rebuild it, I will either use a three line pully or a
> winch system.
>
> Larry - W7IUV
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