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Just worked out ratios using this thread.


Current spec AEG, max legal limit is 1.3j or 374fps @.20
Most game sites run a hard 350fps @.20 so no worrys about straying into a section 5 firearms offence.
So V3 gearbox, full cylinder 70x23.5mm, 247mm 6.03 barrel = a wopping 4.30 - 1
3/4 cylinder 46x23.5 = a nicer 2.83 - 1
1/2 cylinder 35x23.5 = 2.15 - 1



Haven't accounted for hop/nozzle volume or piston/head in cylinder. In short the very long awaited cylinder swap from full to 3/4 should make things quieter and reduce turbulance on BB's as they exit the barrel. :)
 
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