This project took about 2 - 3 hours from start to finish (not including buying the stuff).
I hope you enjoy my very first Instructable!
So the basic idea is that this is a 3-story house with roof deck. The living room is on the third floor, and has a balcony. The crane is mounted to the floor of the roof deck (the 'fourth' floor). This will allow us to pull things from the street level up to the third floor balcony. So the boom crane is saving us from having to bring things up two flights of stairs.
Step 1: Materials
Materials for the crane:
2 1/2" x 10' diameter rigid conduit
2" x 10' diameter rigid conduit
two 1/2" x 5" bolts
a bunch of 1/2" washers & nuts
1/2" x 3" eye bolt
2 1/2" pipe brackets
flat head deck screws
60 grit sand paper
I got all my stuff from Home Depot. The two pipes are surprisingly expensive, and will run you about $100. Since this will stay outdoors, make sure that everything you buy is galvanized. This will prevent any of the metal parts from rusting.
Materials for the pulley:
Double wheel pulley
Single wheel pulley with second mounting point.
100' of strong climbing rope
40' of regular rope
I got the pulleys off of eBay for about $20 a pop. Just do a search for 'wood pulley.'
The rope was purchased from REI. This is definitely the most expensive part of the setup. Once again i wasn't sure what i would need, so i went with the sure thing. I got 11cm rope that could lift 29 kilo-Newtons. I'm not sure exactly how much that is, but the guy at the store told me it would lift a car, so it's good enough for me!
1/2" drill bit (for metal)
compound power saw
7" cutoff blade (for metal)