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One of my many hobbies is recreational gold prospecting. I've been gold panning on my vacations for many years. It's a lot of fun. It's great exercise. I get to do it in really scenic locations. I have even found some gold. Gold likes to collect in cracks and crevasses and really hard to get at nooks and crannies. What is really needed to clean out those pesky cracks and crevasses is a vacuum cleaner. Problem is, where do you plug it in out in the wilderness? Solution, replace the electric motor with a gasoline engine. Now you have a vacuum cleaner that will work anywhere.
As with most of my other equipment, (recirculating sluice, wind turbine, solar panel, telescopes, jet engine, etc., etc.), I decided to try building one myself, rather than just buying one. The tinkering is half the fun after all. Also, you will get a much greater sense of satisfaction and accomplishment when you know it is YOUR home-built equipment that is doing such a good job, and not some store-bought thing. You can find more information on my various projects at http://www.mdpub.com
As with most of my other equipment, (recirculating sluice, wind turbine, solar panel, telescopes, jet engine, etc., etc.), I decided to try building one myself, rather than just buying one. The tinkering is half the fun after all. Also, you will get a much greater sense of satisfaction and accomplishment when you know it is YOUR home-built equipment that is doing such a good job, and not some store-bought thing. You can find more information on my various projects at http://www.mdpub.com
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Signing UpStep 1Find a cheap wet-dry vac
The first step in the process is acquiring a small, wet/dry vac cheap. I found one at a yard sale. It was in pretty bad shape. The guy swore it worked though. I didn't really care if it worked or not because I was going to take the electric motor off anyway, but I didn't tell him that. I kept talking him down in price because of how beat-up it was. Eventually I got it for $5. Maybe I'll write an instructable on haggling.
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on the inside of the tank where the hose comes in, I glued a pvc elbow and then a pvc pipe down to the bottom of the tank, another elbow and pipe across the bottom. Now I drilled a bunch of small holes in the pipe across the bottome of the tank and put water in it to cover this pipe. So in operation, the incoming air is bubbled through water and traps all the dust before it gets to te filter
Have you ever tried sucking your hand with it? O__O
Brilliant!
make sure to keep the shop vac motor, they can be.....http://www.youtube.com/watch?v=9FcaCBrrCfg
useful