C02/HPA King Ratcatcher

[Bear406]

Hiya Fellas thought I would as the experts so here goes my KR runs off a bulk-fill C02 paintball bottle as seen in the picture below, to make it run on HPA is it just a case of swapping the bottle for a HPA bottle and getting the right reg or do I have to make any other mods to it ?

Chanx in advance fellas ATB Bear

[1377x]

not an expert but have seen the conversion of this gun before i think we even have a sticky
http://www.crosman-air-pistol-owners-forum.com/board/index.php/topic,1547.0.html
http://www.crosman-air-pistol-owners-forum.com/board/index.php/topic,4678.0.html
i would say as long as you are regulated at 850psi a simple swap of the tank would be it.looks like you have an adapter in place that allows the use of a hpa bottle
if going above 850psi i would consider pinning the valve

[Bear406]

Chanx will have a read of the sticky 

[Bear406]

any other input is welcome chaps 

[BDS]

You have a "stuck" keyboard..."T" is not a "C"...  "Chanks"

And... yes to what 1377 said, if you are regulated at 800 to 900 psi for your co2, air will work at those pressures but not as efficiently or as many shots as co2 (it's not as dense)

[ped]

hi bear just screw the guerrilla air 13ci straight on or put an ag1 on first  you may have to put a smaller tp in as you may go over 12fpe but i've had one hpa conversion where the fpe went down but i did change the tp to one from a pistol(which i believe is a smaller diameter than a 2250 in the uk)it all depends on what tuning you've already done
ped

[Bear406]

hi bear just screw the guerrilla air 13ci straight on or put an ag1 on first  you may have to put a smaller tp in as you may go over 12fpe but i've had one hpa conversion where the fpe went down but i did change the tp to one from a pistol(which i believe is a smaller diameter than a 2250 in the uk)it all depends on what tuning you've already done
ped

Chanx a lot ped 

[Bear406]

You have a "stuck" keyboard..."T" is not a "C"...  "Chanks"

And... yes to what 1377 said, if you are regulated at 800 to 900 psi for your co2, air will work at those pressures but not as efficiently or as many shots as co2 (it's not as dense)

BDS my keyboard is just fine chanx it is a mix of cheers and thanxs 

[BDS]

Of course it is, and your Chelcome 

[droid]

BDS my keyboard is just fine chanx it is a mix of cheers and thanxs 

  Where does that come from fellow Stokey ?  Is it a Potteries term I have missed ?

Do you live anywhere near Longton Bear ?

[Bear406]

Hiya Droid I hail from Macclesfield but it's a phrase I picked up when I was a truck driver, I now live in the dizzy heights of Fegg Hayes 


ATB Bear

[Gippeto]

Not familiar with a "KR", but if it's like a 2250xt, it brings the co2 in through the side of the tube/valve. This would not create any force which would attempt to push the valve out the end of the tube, and pinning the valve is not necessary.

http://www.crosman.com/pdf/manuals/AS2250XT%20EVP%20&%20PL.pdf

Would be putting extra strain on the fasteners that hold the gas transfer tube in place though. Something to keep in mind.

Al

[ped]

king ratcatchers a uk name for the as2250xt
running  at 800-850 psi is fine for the bolts as it's  co2 pressure at 20c
mine is running at 1500psi i have pinned the valve and end cap fixings are ht
ped