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Posted: Wed May 28, 2014 2:55 pm |
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| DavidSaunders |
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| Joined: 05 Mar 2014 |
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I got a Beeman P17 as a gift today, and it shoots great. It is new to me, though well loved by its previous owner.
I can not leave well enough alone when it comes to my AirGuns. I am aware of mods like putting a camphor on the piston, installing a longer barrel or even a .22 cal barrel. What I am interested in is any moddifications that can be made to the P17 to increase its power. Being that it is a SSP and there does not seem to be any way to increase the efective stroke length I have not been able to figgure anything out, as yet.
Thank you for any suggestions. |
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Posted: Thu May 29, 2014 6:48 am |
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| Karl |
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| Joined: 27 Apr 2009 |
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Double O ringing the piston does help.
Karl |
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Posted: Thu May 29, 2014 7:08 am |
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| DavidSaunders |
| Veteran Member |

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| Joined: 05 Mar 2014 |
| Posts: 140 |
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| Karl wrote: |
Double O ringing the piston does help.
Karl |
Thank you for that. Do you know the size and OD of O-Ring by chance?
Time to clean off the lathe again. |
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Posted: Thu May 29, 2014 7:25 am |
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| Karl |
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| Joined: 27 Apr 2009 |
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The O ring size is 13/16" ID, 1" OD so cross section is 3/32".
Personally I would buy the Beeman P3 which is what the cheap P17 is copied from.
Karl |
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Posted: Thu May 29, 2014 7:52 am |
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| DavidSaunders |
| Veteran Member |

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| Joined: 05 Mar 2014 |
| Posts: 140 |
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| I just can not see any advantage in the P3. It is the same power, the P17 is very reliable, the mechinism is identicle, though the price is a huge difference. |
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 |  | | | |  |  |  |  | New P17, any mods? |  | |  |  |  |
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