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Old February 19th, 2009, 17:40   #12
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Join Date: Jan 2007
Location: Saskatoon, SK
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Originally Posted by Botchbomber View Post
I've once heard that the optimal fps would be around 330fps. A higher fps create more friction between BB and the air which in the long run lower your range.

So according to that theory (haven't really tested it myself) with a 400fps @ .20g . You should use heavier BB (ex: .25g) so your barrel fps is around 330.
I know there's some truth to this. When using 0.20 BB's @ 400fps, they go straight for a while, then do crazy things near then end of their flight path, like go off in crazy directions, etc.

Using a heavier BB corrects this.

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