ARGHHH Pistons

Miniature guns are novelty custom, unique, and sometime downright crude! Common construction materials often include pill bottles or pens. Show us your work!
sagthegreat
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Tue Feb 28, 2012 7:01 pm

this is the wrong topic for this but is there a chamber to barrel ratio thats good for penguns
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jackssmirkingrevenge
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Wed Feb 29, 2012 12:26 am

Big as you can, tiny calibre means you need to maximise other parameters for decent performance.
hectmarr wrote:You have to make many weapons, because this field is long and short life
sagthegreat
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Wed Feb 29, 2012 5:23 pm

so the longer the barrel the better? I thought friction would slow the projectile down?
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sharpshooter11000
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Wed Feb 29, 2012 6:59 pm

There is an optimal length for all barrels. If you have a really short barrel it will be inefficient, if it's too long it will have too much friction and will decrease performance.
In pen gun calibres to make the barrel long enough to have too much friction it would have to be a few feet long though.

Feel free anyone to correct me if I'm wrong haha :)
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