Covverting from co2 to air info .

[clodhopper]

Put 2500 psi in the 3000 psi 62 ci bottle that is regulated to 1000 psi . Shoot 100 pellets and used 500 psi of air out of the tank .

Ok now you have my attention.

What velocity are you getting?

What does this beast look like?

[skeettx]

following this thread
Thanks
Mike

[melloairman]

It looks like a stock 2240 or what is no longer made the 1740 .177 . Have not crony it as a 8 grain .177 at 1000psi of air . But as a 15.5 grain .22 on 800 - 900-psi of co2 it was 400-420 fps . I used the still available .177 barrel which is just over 7 inches . Shooting spinners at 10 yards . So a lot of energy is not really important . I did put my TKO brake on it and you can hardly hear it . Camera is down right now but you can find pictures of the 2240 at almost any supplier . Marvin

[melloairman]

This system has been used for many years as well . Has some advantages as well . But I am only tethering and the total cost of the GMAC way was less than half of this . Check out both links and on the forum one look at what has to be done and the working pressures as well . Marvin
http://www.buyhipac.com/hipac-kits-extensions.html
http://www.network54.com/Forum/665650

[melloairman]

Put 2500 psi in the 3000 psi 62 ci bottle that is regulated to 1000 psi . Shoot 100 pellets and used 500 psi of air out of the tank .

Ok now you have my attention.

What velocity are you getting?

What does this beast look like?

I did crony it today and it averaged 500fps with 8 grain pellets and 445 fps with 10.5 pellets .Marvin