Crossman Air valves (a few pics) for builders & interest

[yietspingle]

I wanted to know how valves worked and I was told to buy a 22XX series multi-pump. So I did. Pretty simple valves and reservoir. A single spring seals both ends. One simple mod is plugging the small hole (most probably know this) to get rid of blow-by. I had to remove this pic, as it turns out, it is illegal in Canada to modify to shoot faster.

http://i25.photobucket.com/albums/c62/y ... C02938.jpg
http://i25.photobucket.com/albums/c62/y ... C02935.jpg
http://i25.photobucket.com/albums/c62/y ... C02934.jpg
http://i25.photobucket.com/albums/c62/y ... C02933.jpg
http://i25.photobucket.com/albums/c62/y ... C02928.jpg

This is the pump handle and plunger, about 5/8" Diam.
http://i25.photobucket.com/albums/c62/y ... C02939.jpg

[ABshooter]

I had to remove this pic, as it turns out, it is illegal in Canada to modify to shoot faster.

*cough cough*

[The Hippie]

just for theoretic perposes, how would one modify it to shoot at a higher velosity? (the is for hypatheticle perposes)

[yietspingle]

Please be advised that this will work to increase FPS. How much I do not know. I believe from what I have been told by others, any modifications that put you gun over 500 FPS requires an FAC or PAL in Canada. If you do not have a license, should you get caught with the modification there are very stiff penalties in place. Therefore, I am assuming anyone using the modification has proper license(s).

Here is the pic.
http://i25.photobucket.com/albums/c62/y ... C02930.jpg

[TCooper]

Getting caught might not be so bad. Maybe you will get to wear orange coveralls, someone does your laundry, your meals are free,... but Bubba might like you LOL

Let's have some fun. Here is another hypothetical situation. You modify a non-PAL air rifle to become PAL rated and use it to shoot within city limits. Someone calls the police and you get charged with:

Criminal Code of Canada
Sec 86 - Careless Use Of Firearm (max 2 years imprisonment)
Sec 91 - Unauthorized Possession Of Firearm (max 5 years imprisonment)
Sec 92 - Possession Of Firearm Knowing Its Possession Is Unathorized (max 10 years imprisonment)

Let's do another hypothetical situation where you modify a non-PAL air pistol to become PAL rated.
In addition to the above 3 changes you could also face.

Criminal Code of Canada
Sec 95 - Possession Of Prohibited of Restricted Firearm With Ammunition (max 10 years imprisonment)

The police will decide which charges to puruse. With a good lawyer you could convince the judge to punish on summary conviction and not do time. Too bad about the lawyer bill.

Is it legal to create a PAL rated firearm by modifying a non-PAL airgun to become PAL rated? Have you checked with the CFC and RCMP?

http://laws.justice.gc.ca/en/C-46/42061.html

Todd

[yietspingle]

I am going for my safety course this saturday and will see what the instructor knows. From there will wait till I have my PAL and then ask the RCMP etc.

I would assume you could not resell the gun after modifying to someone who does not have a PAL? This warrents further investigation. I am to pretty to go to jail, LOL.

Pedro

[TCooper]

Pretty Pedro,

If you can legally modify a non-PAL to PAL, then it would have to be registered to be within the law. Registration requires a PAL (licence). Once it's registered you can only sell to someone with a PAL. They will register it to their name when they buy from you. This is all assuming that we can legally modify a non-PAL airgun to PAL rated. I'm not sure what the law says in this area.

My advice would be to keep your modifications to under 500fps. Many airguns are OVERLY modified by the manufacturer to stay well under 500fps. Crosman recommends ONLY their pellets be used in THEIR airguns. That will leave the 14.3gr Copperhead to test a 2289. Your factory detuned 2289 likely pushes this pellet at around 400-430fps. You have a ways to go before you have a PAL rated airgun with the pellet that the factory recommends.

HTH,
Todd

[DoctorFrankengun]

To be quite honest I don't see the fascination that some have with power mods I just don't see the need for squeezing every fps out of an airgun.

The mods that I have done on my 1377 were done for accuracy. (trigger job, metal breach, better sights) I didn't do any mods on the valve. I assume that it shoots somewhere around the 500 mark which seems quite sufficient for target shooting and grouse hunting.

The way that I look at it is, if I did mod the valve I would be KNOWINGLY building a PAL rated gun which could be very bad if brought before a judge for any reason unless I intend to register it. AND,,,,,, the gun would still only be good for grouse hunting and target shooting. So, what would be the point

Im not trying to put down those who like to mod for power, to each his own. It is just something that I don't see the need for on my guns.

[yietspingle]

TCooper & Metalmuncher49,

You both make very good points. If you want a gun that will shot over 500 FPS, then buy one. It is registered and you can modify it for accuracy and more power without worries.

I am going to take off the PCP adapter I made and see what the velocity is with the original pump.

I will post results when I get a chance.

[The Hippie]

im sending my app for the PAL at the start of june, so ill have my PAL in july.
im interested in a PAL rated airgun because i can still shoot it in my back yard as well as i would feel more comfertable shooting grouse etc with it, as well as theoreticly you could shoot targets from farther away.
maybe what i should be looking at is a .22 airgun. and then mod it to over 500fps when i get my PAL.

[Aaron]

you should get a nice wodd stocked rifle that shoots over 1000 fps
in 20 cal because it is the best of both worlds and it should be PCP
well after you get your PAL anyway, like one of thoise bolt action loguns
or a 40 . dragon, then you could go turky shooting too!!

[killercrow]

pedro


just one question for you. did your valve in the picture already have the exhaust port machined like that? or did you do that? if you did, very nice.

also, whats up with that valve? its pretty different.... the front half is so short!

[yietspingle]

Here are results with pump and also when I have a 1200 PSI tank on the 2200 model.
The bolt cannot handle the pressure and you get blow by or leaks at the bolt.


http://i25.photobucket.com/albums/c62/y ... locity.jpg

[yietspingle]

The Valve is already drilledby Crosman to ensure this gun cannot fire over 500 FPS so Retail stores can sell it.

Again please note, any modifications can result in serious consequences from the law. I would plug the hole and use a smaller drill and make a small hole to allow some air to go through so that the gun cannot shot over 500 FPS.

Canadian justice system will come down hard on you if you are ever caught.

So you know!!!

[Krazy Mike]