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 Post subject: 1745 fps on AIR !!!
PostPosted: Fri Feb 19, 2016 1:43 pm 
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Joined: Sat Nov 03, 2007 4:19 pm
Posts: 8973
Location: Coalmont BC
Yes, you read that right.... Lloyd Sikes, using a setup designed to push the limits of PCP velocities, has just achieved 1745 fps using 4500 psi of AIR, not Helium.... Here is the link....

The .22 cal "bullet" is turned from a piece of aluminum, weighed only 7.5 gr., and is pulled through the 23.3" long barrel by an O-ring, and was driven by a dump chamber of only 26 cc.... Lloyd made two identical bullets, and the backup shot was 1714 fps.... The reason this is important is that it reliably demonstrates that the proposed "speed limit" of ~1650s fps theorized because of the RMS velocity of air molecules at 70*F has solidly been broken by this well documented experiment....

Congratulations, Lloyd.... This confirms the only previous shot exceeding 1700 fps I have ever heard of, conducted by a CAF member (Joel), with a .177 Condor shooting a 1.7 gr. plastic Sabot at 1705 fps, recorded on video a few years ago....


Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Too many! Springers, Pumpers, CO2, but I love my PCPs and developing them!
Proud Member of the 2000+fps Club!

 Post subject: Re: 1745 fps on AIR !!!
PostPosted: Fri Feb 19, 2016 2:16 pm 

Joined: Wed Jan 05, 2011 12:35 pm
Posts: 6001
Location: P.G. B.C.
Smoking - for compressed air!

Best Wishes

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