Lot's of information, but still don't know how to make one.
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Potato Launcher
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Lots of potential fuel--I've used WD-40, lighter fluid, paint thinner/mineral spirits, alcohol (both the internal-use and external use types). We made 'em in VN--beer cans and tennis balls. They were called "Spud guns" because we made them and used them for impromptu wars in the "Spud Club" in Phu Bai. Shot out the light bulbs with them-among other things.
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I've got a an air powerd tennis ball launcher. It will send a tennis ball through 1/2" plywood at a hair over 400 mph using 100 psi according to the guy who built the first one. I know it's fast, but have never chronod myself. I will see if I can find the one I copied.
edited to add, I can't find the one I copied. Plenty of similiar plans, but not the one I built.Last edited by doublearrow; 02-07-2012, 03:41 PM.
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