A mini-bike or go-kart has 90% of all the parts you need. A quad is overkill and then you have speed control issues. What you need: Engine: The ones I have seen are usually around 5 HP, more is better. The engine should have a governor (most "Briggs&Stratton type engines do). Centrifugal clutch. Chain, sprockets and shaft: This is your gear reduction. A drum that will mount to the shaft: A wheel, minus the tire, will work. If you buy a go-kart you will get all these pieces for probably a lot less than if you purchased them individually. You will need to make some modifications, as you will need to have an anchor point for the winch frame directly in line with the spool. If the anchor point isn't inline then the frame will want to twist and the rope won't feed onto the spool properly. If you want to go really cheap, I have also seen this done with a truck! Park the truck, jack up one rear wheel. Replace the tire with an empty wheel. Operate in reverse so the rope feeds on the bottom of the wheel instead of the top, otherwise you might need a roller to guide the rope under the truck body. Rod
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