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Marble inaccuracy

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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how to make it more accurate.........

Rifle it
0
No votes
use new ammo (darts)
5
63%
get used to it
3
38%
 
Total votes : 8
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Unread postAuthor: jimmy101 » Sat Jul 14, 2007 1:29 pm

VH_man wrote:i found out my problem........ If i look at the muzzle end of the old barrel, i did not do a very clean cut....... at all............

this time i cut it with a hacksaw, then beveled the edges inward....

This is called "crowning the barrel". For BBMGs people usually run a small bit into the muzzle so the end of the barrel is a conical depression. (Real rifle barrels are also crowned.)
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jimmy101
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