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.22 Rapid Owners-how many full power shots do you get?
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Jay
Marksman
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Joined: 08 Nov 2006
Posts: 64
City, State: Los Angeles, CA

PostPosted: Wed Nov 15, 2006 6:15 am    Post subject: .22 Rapid Owners-how many full power shots do you get? Reply with quote

Guys,

I fill up to 3400PSI and get roughly 40 shots at 850 FPS & 33.8 ft/lbs with Kodiaks, after which point my velocity begins to drop. Have you found similar results from your Rapids or should I be expecting to get more shots than that at full power?

Thanks!
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Bob L
Marksman
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Joined: 13 Nov 2006
Posts: 292
City, State: Spencer Indiana

PostPosted: Wed Nov 15, 2006 9:35 am    Post subject: Reply with quote

That doesnt sound like like many shots for 3400 psi?
I have a 22Rapid MK2 and it will do 40 shots on a 2900psi fill with 20 fps ES or less. If filled to 3200 the shot count goes up but so does the ES.
From what little I have learned about Rapids it seems that if you go over 32 FP with the stock springs the hammer will bounce on the valve and waste air on some rifles. My rifle was like that, the valve spring was too weak for the power I wanted. Allen Z. cut a valve spring to match the preload of the hammer so it doesnt bounce.
Its possible that your Rapid is doing the same thing?
Try backing to power down to 32-33 FP and see if that helps, just a little might do it.
If not Allen Z will tune it to the power you want and it wont waste air!
And he isnt too busy right now I got my Rapid back in less then 2 weeks!
Good luck!
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AZ Rapid MK2 .22

PW tuned HW97 .177

NRA
Protecting your Rights and Freedom
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Killer-B
Site Admin/Owner
Site Admin/Owner


Joined: 08 May 2005
Posts: 15834
City, State: Vancouver, WA

PostPosted: Wed Nov 15, 2006 12:50 pm    Post subject: Reply with quote

Bob L wrote:
That doesnt sound like like many shots for 3400 psi?
I have a 22Rapid MK2 and it will do 40 shots on a 2900psi fill with 20 fps ES or less. If filled to 3200 the shot count goes up but so does the ES.
From what little I have learned about Rapids it seems that if you go over 32 FP with the stock springs the hammer will bounce on the valve and waste air on some rifles. My rifle was like that, the valve spring was too weak for the power I wanted. Allen Z. cut a valve spring to match the preload of the hammer so it doesnt bounce.
Its possible that your Rapid is doing the same thing?
Try backing to power down to 32-33 FP and see if that helps, just a little might do it.
If not Allen Z will tune it to the power you want and it wont waste air!
And he isnt too busy right now I got my Rapid back in less then 2 weeks!
Good luck!


Bob,

All good points that sounds like our Rapids are pretty much the same.

KILLER-B
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Bob L
Marksman
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Joined: 13 Nov 2006
Posts: 292
City, State: Spencer Indiana

PostPosted: Wed Nov 15, 2006 2:06 pm    Post subject: Reply with quote

Jay,
I forgot to say my Rapid is set at about 33 FPE, its spittin 22 JSB's @ 960-970 FPS.

KB,
Again Im glad I took your advice and had Allen tune the Rapid when he made the shroud and tuned the trigger. It did make a difference in the sound of the valve and I know Im not wasting air now.
The shroud is really nice,the pellet smackin is the loudest thing you hear.


Man I love those rifles! Laughing
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AZ Rapid MK2 .22

PW tuned HW97 .177

NRA
Protecting your Rights and Freedom
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Killer-B
Site Admin/Owner
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Joined: 08 May 2005
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City, State: Vancouver, WA

PostPosted: Wed Nov 15, 2006 2:10 pm    Post subject: Reply with quote

Bob L wrote:
Jay,
I forgot to say my Rapid is set at about 33 FPE, its spittin 22 JSB's @ 960-970 FPS.

KB,
Again Im glad I took your advice and had Allen tune the Rapid when he made the shroud and tuned the trigger. It did make a difference in the sound of the valve and I know Im not wasting air now.
The shroud is really nice,the pellet smackin is the loudest thing you hear.


Man I love those rifles! Laughing


Bob,

Glad to help Allen is the man................ he does great work, a true artist..... don't know what will we do if he ever decides to retire. Cry

KILLER-B
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Jay
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City, State: Los Angeles, CA

PostPosted: Wed Nov 15, 2006 2:13 pm    Post subject: Reply with quote

Thanks guy, I will call Allen and get his feedback!
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Killer-B
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PostPosted: Wed Nov 15, 2006 2:14 pm    Post subject: Reply with quote

Jay wrote:
Thanks guy, I will call Allen and get his feedback!


Great idea, if anyone can help it would be him.

KB
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Bob L
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City, State: Spencer Indiana

PostPosted: Wed Nov 15, 2006 3:55 pm    Post subject: Reply with quote

Allen is a super guy to deal with and is free with info and tips, when I ask about something I got the full picture of exactly how and why.
When I ask about cranking up the power after he tuned the rifle he said no problem, he called back and told me he cut a new valve spring and had the power just like I wanted, and didnt charge for the extra work.
We talked for an hour on his dime last week, he is a real straight shooter in more ways then one. I learned alot in a short time, I would love to visit him and shoot the bull, he's a very interesting guy.
If I get another Rapid it will go to him for the full treatment, the shroud is very quiet and looks great, the trigger is just perfect, I can change scope mounts, the quick fill is a must, and it's tuned by the pro.

Did I just say another Rapid? Laughing
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AZ Rapid MK2 .22

PW tuned HW97 .177

NRA
Protecting your Rights and Freedom
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Killer-B
Site Admin/Owner
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Joined: 08 May 2005
Posts: 15834
City, State: Vancouver, WA

PostPosted: Wed Nov 15, 2006 4:03 pm    Post subject: Reply with quote

Bob L wrote:
Did I just say another Rapid? Laughing


Bob,

now you know how I have 4 :wink:

KB
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Ca_Varminter
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Joined: 17 Apr 2005
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PostPosted: Wed Nov 15, 2006 4:34 pm    Post subject: Reply with quote

Oh Yeah, AllenZ is your man,

To optimize your Rapid efficiency, will require some engineering knowledge and skill. The major areas the will be addressed are the valve body, valve stem and transfer port dimensions!!
Other than AllenZ I only know of two other Professional Rapid experts that can perform reliable modification. But both are in the UK. One is Ben Taylor the original designer of the Rapid!!

But when done right I know they are getting 35+ ft-lbs @ over 60 shot per fill!!

Good Luck,
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