Sound barrier

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.

Can you sent something supersonic with ONLY compressed air?

Yes! Ive done it!
0
No votes
I havent done it, but I think its possible...
12
86%
I have absolutely no clue
1
7%
I dont think so...
1
7%
 
Total votes: 14
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frankrede
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Thu Dec 04, 2008 12:50 am

Size doesn't matter when it comes to velocity.
You can get high velocities with smaller cannons even easier.
Current project: Afghanistan deployment
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jackssmirkingrevenge
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Thu Dec 04, 2008 1:08 am

frankrede wrote:Size doesn't matter when it comes to velocity
In terms of calibre, yes, but barrel length and chamber size are very relevant factors in the velocity department, it's very much the case of "as big as you can afford".
hectmarr wrote:You have to make many weapons, because this field is long and short life
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