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p8ntballr68059 11-22-2011 12:10 AM

metadyne thumper
 
i need help with my thumper. i can't seem to get it to chrono over 250 maybe 255 fps. any help on getting this working right would be great..
thanks in advance guys

Curt 11-22-2011 12:24 AM

Are you running C02 or HPA?

p8ntballr68059 11-22-2011 12:28 AM

Hpa with a regular high pressure output. I might try my old school tank with the 800psi output.
I guess I should try it with 12ies and I would like to find a 4oz co2 also

senghing27 11-22-2011 12:35 AM

Quote:

Originally Posted by p8ntballr68059 (Post 2094940)
Hpa with a regular high pressure output. I might try my old school tank with the 800psi output.
I guess I should try it with 12ies and I would like to find a 4oz co2 also

You're going to need an HPA tank with a higher output than 800psi.
When I ran my thumper with 800psi, it toped out at about 275FPS. That is with underboring as well.

Your best bet is to run CO2. Whether it may be 12 grams, 4 oz, or something larger via bottomline.

Whenever you get a chance, break the thumper down and give it a nice vaseline rub down.

Hope that helps!


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