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Rabies

Trogdor!
Jul 1, 2002
1,344
8
63
London, UK
Hammer o-ring. Oil.

Piranhas run at anything from CO2 pressure down to about 300psi depending on how they've been set up. If it came with a reg fitted, use it.
 
Dec 23, 2001
667
0
0
East of E-Numberia
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Rabies be right.
(howdy dude)

If you have an expension chamber use it. It will prevent liquid CO2 getting into the marker... and thats a good thing.

Have you had this marker since it was new?
Just checking for stretched springs or something.

Sounds like the "blowback" bit of the firing process isnt getting enough gas.

As rabies said, make sure the hammer has an O-ring on it, at the same time, make sure the hammer moves freely (ie the oring isnt making it stick)

Once youve done that.

Wind the velocity adjuster ALL the way IN!
fire the marker, and unwind it, "hopefully" the marker will start to cycle properly, and then you can chronograph it to a reasonable setting.

Hope it helps.
 

Pump'n'Splat

Ambassador of BOING!
Mr Pig, are you talking about the Job I did on your Spyder?

I've experienced this twice with Spyders, both times I changed the cup seal and it solved the problem...not sure why it was the cup seal causing the problem but it was the remedy....

(Oh, except for Pig's one, that was just a *******ised frame change from an Xtra, but what do you expect from a guy who drills a hole in the back an solders a piece of piping to it to make a Sonix a rear cocker? :p :p :p)
 
Dec 23, 2001
667
0
0
East of E-Numberia
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as for the cupseal...
this is because generally there are 2 types.

Summer and winter.

They are made of differant materials.
But a problematic cup seal usually results in leaks down the barrel, not this level of blowback failure.

Just for info
 

johnmassive

Spitfire Factory
Sep 5, 2004
525
8
43
Ion Noob
Originally posted by Pump'n'Splat
what do you expect from a guy who drills a hole in the back an solders a piece of piping to it to make a Sonix a rear cocker? :p :p :p)
if anyone has a picture of this guy please post, as i want to make sure he doesnt come within 50ft of my precious. :D