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Thread: I'm really starting to think that these 21/22mm bores with their longer strokes...

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  1. #22
    Join Date
    Apr 2002
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    Near Wimbledon, SW London, or Lusaka, Zambia
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    Quote Originally Posted by slugger View Post
    surely reducing stroke would increase slam and reduce power [enable more spring] so could you not simply shorten stroke a mm at a time untill you hit the sweet-spot
    Can't shorten the stroke, need it to make the power...

    I'm happy to be proven wrong, but I don't think there's an easy answer here (except maybe the weaker, longer spring with more preload - but even that's hard to find)

    ** edit just run the numbers with weaker spring, more preload - only reduces the piston bounce at exit my 0.5mm, but it's a start...
    Last edited by Shed tuner; 22-08-2015 at 10:29 PM.
    Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.

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