The bike rack idea is pretty neat. I'm sure I've seen that at local bike/rack/storage-solution shops though, not sure if you really need to ebay it but if you're happy doing it that way then go for it.
I've rigged several pulley systems for various things, including a halide fixture once. It's not too bad. I find if you're dealing with a long item then it's better to use two ropes, one for each end, that merge into a single rope on the pull end, that way it goes up and down staying level. Heavier items may benefit from additional purchase (i.e., double up the pulley so that 1 foot of pull yields 0.5 foot of lift, for example). You can get pulleys and basically anything else you would need at Home Depot. I'm sorry I don't have any drawings for you though, but on the other hand, I don't think it's really all that hard. Just sort of envision what you want then go buy the pulleys and the rope and have some fun with it...
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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