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 Post subject: hammer weight
PostPosted: Thu Aug 01, 2013 3:28 pm 
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Joined: Sun Nov 18, 2012 3:21 pm
Posts: 61
Location: uk
I have a question for pcp techs, what would is the best type of hammer in a high powered pcp rifle would it be a heavy or light hammer


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 Post subject: Re: hammer weight
PostPosted: Thu Aug 01, 2013 5:55 pm 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8979
Location: Coalmont BC
"Heavy" or "Light" is all relative to the power of the PCP....

Image

Any hammers between the values indicated "can" be made to work.... but if you try and build a Big Bore using a "Light-Fast" hammer you may have to have a hammer spring that takes both hands to cock....

Bob

_________________
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal;
Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!


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 Post subject: Re: hammer weight
PostPosted: Fri Aug 02, 2013 6:12 am 
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Joined: Sun Jul 15, 2012 10:49 am
Posts: 6029
Location: Victoria, BC and Clarkston, WA
So What's best for a sub-500, 2240? To me it would seem a light hammer, light hammer spring and a light sear spring would make for a good trigger pull.

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 Post subject: Re: hammer weight
PostPosted: Fri Aug 02, 2013 11:21 am 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8979
Location: Coalmont BC
The stock 2240 hammer is much heavier than required, which is why it works fine in a modded Disco with a heavier spring.... You can either lighten the hammer or cut a few coils off the spring, either way will save CO2 without dropping the velocity significantly with an 8" barrel.... In stock form they REALLY waste a lot of CO2....

For any given hammer strike required, a light hammer will need a stronger spring than a heavy hammer.... so if it's trigger pull you want to reduce, concentrate on the spring rather than lightening the hammer.... Having said that, you can probably get rid of half the hammer weight and hardly notice a difference....

Bob

_________________
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal;
Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!


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