I have a pretty good idea on how to build a small hand pump but I'm not positive. I swear I saw some detailed instructions on how to build one but I can't find it now. I found the high pressure pump on page 10 or something like that but I know there's another one.
Do you have to use two check valves or is there some other trick?
homemade pump?
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keep_it_real
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medievalman
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the second half of the article is instructions on how to make a pressure pump.
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keep_it_real
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I'm off topic a little but anyway...
First take a quick look at this: http://nerfhaven.com/homemade/zero_semiautovalve/
K, will the air from the temporary chamber flow into the final chamber fast enough to shoot a projectile (with some speed)? It seems like the holes in the brass tubing are rather small.
First take a quick look at this: http://nerfhaven.com/homemade/zero_semiautovalve/
K, will the air from the temporary chamber flow into the final chamber fast enough to shoot a projectile (with some speed)? It seems like the holes in the brass tubing are rather small.