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Alan Alford's build

2250b Tube for later move to bulk CO2.
12" .22 Caliber Barrel from Doomsday Backpacker
Brian & Assoc. Alluminum Breech with 2 barrel screws
Original site rear
Pin site on Custom Mt. Airguns Muzzle Break
2x1 Centerpoint Scope with UTG dovetail adapters
Mountain Airguns Custom Bolt and Handle
Mountain Airguns Custom Power Adapter and spring guide
B&A Boss Valve for extra Power

Built mainly for fun and to shoot at local Field Trial Pistol Match.

It currently it shoots a 14.3 Crosman Hunting Pellet at about 530 fps in a 72 degree room for 8.92 FPE.



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222 pounds force came from your 'example' of the Disco gauge

February 8 2012 at 9:00 PM
Glover, Walter  (Login Voltar1)
Crosman Forum Member
from IP address 199.96.209.157


Response to in the hipac case there would be flow through the port

The disco guage is sealing at a diameter of say 0.375 and a pressure of 2,000psi acting on that
means there will be a force on teh gauge threads of 222 pounds.


Flow through the HiPac tip will occur each shot but due to the choked design the pressure at the seal will be less than the static pressure so reducing the force. The maximum force on the assembly occurs at 3,000psi when filled. After that pressure drops reducing force as well as when flowing force is reduced.

 
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