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Old 17th May 2014, 07:49 PM
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Brian.Samson Brian.Samson is offline
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Join Date: Jun 2009
Member of: Pontefract, Doncaster Airgun Range
Location: Doncaster
Posts: 2,324

Originally Posted by Neil-T View Post
Hi Bri, when I picked it up last Thursday Dave put over the chrono straight from the box and it was doing 777-783 over 10 shots with JSB 8.4g 4.52. Not tested it since. I was using 7.9s today but my combro was playing up and I couldn't get a reading. But assume it's doing around 10-15 fps faster than 8.4s.
Yeah, that's what I was interesting in - the differential between 8.4's and 7.9's - something well balanced will have a differential of around 20fps.
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