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Variable speed BBMG breech

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Unread postAuthor: jackssmirkingrevenge » Sun Feb 13, 2011 12:34 am

evilvet wrote:Jack is a nitpicker, nah nah nah :P

I think spudfiles knows that already :P :D

33% increase in muzzle energy for like projectiles against barrel I/D is one thing, but in this case I am talking about the potential energy loss past a viscous liquid seal versus the main air stream down the barrel.

When the bolt is in the retracted position behind the air inlet (about 90% of the duty cycle) the path of least resistance is forward.

I see your point, still, how about wiping off the gun oil and wrapping it in masking tape until it's a tight fit, just to attempt to quantify the difference?
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hectmarr wrote:You have to make many weapons, because this field is long and short life
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