i would try princess auto for the pulleys. they are dirt cheap and have everything. a good friend of mine is a fabricator and a darn good one. have yet to see anything he cannot build or fix. if you want i can talk to him and see what he will charge to build the frame work. do you have the aluminum already? he live in richmond near the airport.
instead of having 4 points of lift, what if you were to put 2 supports across the middle, spaced out, on the lower frame at equal points. this is really hard to explain without drawing but on each of the 2 supports, had 2 attach points that a 1 cable is attached to. so in other words you would end up with a loop of cable attached at both on ends on one support. you would then only have to have 2 cables come down from the upper frame, attach to these 2 looped cable points and lift straight up. you can always use weights at corners to balance the unit if need be. sorry if this is confusing, i wish i could draw it for you
Last edited by niloc16; 01-19-2007 at 11:14 PM.
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