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Old 12th November 2014, 01:12 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
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Originally Posted by AlexS View Post
Wait a second. I'm a slow thinker from the european mainland.

Do you mean, that grain is a force, equivalent to newton and not a mass that is equivalent to gram?
grain isn't a force, but that's not the problem.

The problem is that Foot Pounds Force (FPE) which is how the UK law defines a legal airgun, is a force that is different depending on the value you use for gravity (which believe it or not, isn't constant)
Joules would be a much better definition in law, but we have a crazy law

Last edited by Brian.Samson; 12th November 2014 at 01:30 PM.
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