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Running a 'cocker pump on CO2

Kevin Winter

Well-Known Member
Dec 10, 2008
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I've recently acquired one, and was planning on visiting a local site that uses CO2 only - will it be safe to use with CO2? I can't see any problem myself, but thought it best to double check...
 

Canon Fodder

Go to your brother, kill him with your gun.
Oct 28, 2008
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Lancaster
You really need antisython to run a cocker on it a pump will work fine on a normall co2 bottle.
 

pballdale

Member
Sep 1, 2011
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Just be careful now the weather is starting to change, that the temperature of the tank dosen't get too cold, tend to get psi fluctuations in cold weather with CO2, effecting cockers quite a bit in my experience.
 

Canon Fodder

Go to your brother, kill him with your gun.
Oct 28, 2008
1,442
494
108
Lancaster
as long as its got a reg on and is running at under 400 psi that shouldn't be much of a problem.
 

Gee Tee

1/2 man - 1/2 pogo stick
Mar 21, 2007
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Dartford, UK
Anti syphon botttle, expansion chamber or remote hose should help in cold weather

If you draw liquid off the tank the velocity will spike, having an inline reg installed will also help
 
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Gee Tee

1/2 man - 1/2 pogo stick
Mar 21, 2007
3,172
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Dartford, UK
By the way - some pumps like the early Sterling's were designed to run on liquid CO2 full time. They had syphon dip tubes installed in the bottles to ensure it always pulled liquid not gas. Mind you it was like shooting a fire extinguisher in cold weather. After a few shots the CO2 plume totally blocked your view and also gave your position away on the field. Another plus point for shooting air.
 
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