logo by smgunner

Dean's HiPac 2240

Tactical Trijicon ACOG TA01 Style 4x32 Cross Sight Rifle Scope + Kill Flash
TROBB Solid Aluminium Dovetail Power Block with Gmac hollow probe and G-mac Bolt
Gmac Brass Power Adjuster Spring And Guide/Drilled Out Standard Valve For more air space
Hammer Mods//Gmac 30% Lighter valve Spring/Gmac Brass Safety Catch//Transfer port drilled out
Full Gmac Trigger kit/Gmac barrel cut to 9inch/Weihrauch Silencer/Custom Home Made Grips/
New TRACER LEDRAY GL2 LAMP 90m Range Beam//HI-Pac

 Return to Index  

Sometimes it pays not to know....

June 13 2012 at 10:48 AM
  (Login rsterne)
Crosman Forum Member
from IP address 66.244.241.34


Response to An old discussion of the 12gm-Horsepower-second.

that something can't be done.... A while back I posted on the CAF about the theoretical 1649 fps velocity limit for expanding room temperature air.... After a LOT of discussion, one of the members took a Condor filled to 2700 psi (air, not Helium), pried the sabot from a .22 cal RWS Hyper Velocity Pellet and blasted the 1.4 gr. piece of plastic through his Chronograph at 1734 fps.... When asked for a repeat, he videotaped it and got two more shots of 1680 and 1701....http://www.youtube.com/watch?v=2jxT8y8-9j8

Bob


    
This message has been edited by rsterne from IP address 66.244.241.34 on Jun 13, 2012 10:51 AM
This message has been edited by rsterne from IP address 66.244.241.34 on Jun 13, 2012 10:50 AM
This message has been edited by rsterne from IP address 66.244.241.34 on Jun 13, 2012 10:49 AM
This message has been edited by rsterne from IP address 66.244.241.34 on Jun 13, 2012 10:48 AM


 
 Respond to this message   
Responses

Crosman Corporation 1-800-724-7486