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 Post subject: ....a mystery to me ....
PostPosted: Sun Aug 18, 2019 7:46 pm 
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Joined: Sat Sep 17, 2011 5:00 pm
Posts: 626
....I have just upgraded an old 1322 ....re-seal,...14" barrel,...cheap scope&mounts,...and 1399 stock ... good for ratting.....Then something occurred to me that I can't figure out ......Where does the air enter the compression tube while pumping ? ....The P17 has a small inlet hole and the pump cup doesn't travel back past the pump arm slot,.....so what am I missing here ? How does air enter the pump tube ? .....By the way, it's very accurate, requires less pumping now and has far more power than I'd hoped for,....rats beware !


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PostPosted: Sun Aug 18, 2019 9:04 pm 
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Joined: Sun Apr 13, 2014 9:14 pm
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Location: Mississauga, ON
I don't have a 1322, but I do have a 1377. As far as I know when pumping the piston comes back far enough that the air can enter in front of it through the linkage slot.

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PostPosted: Sun Aug 18, 2019 9:41 pm 
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Location: Rocky Mtn Hse Alberta
Iirc at the rear of the cocking slot the tube is 'bent' outwards to allow air intake.

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PostPosted: Sun Aug 18, 2019 10:23 pm 
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....I noticed the outward bend,...but the pump cup doesn't seem to travel that far.....and , you'd think there would be a 'hissing' sound as in the P17 .......It is the only place, so it must be very quiet and subtle .......thanks for your replies


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PostPosted: Mon Aug 19, 2019 10:37 am 
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Joined: Mon Feb 11, 2013 12:46 am
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yes its the only place, it doesn't need much space for air to enter
but that is definitely the location as mentioned above

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