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Thread: 1745 fps on AIR !!!

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    Moderator rsterne's Avatar
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    1745 fps on AIR !!!

    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....

    http://www.gatewaytoairguns.org/GTA/...pic=102604.120

    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, with a .177 Condor shooting a 1.7 gr. plastic Sabot at 1705 fps, recorded on video a few years ago....

    Bob
    Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
    Airsonal:
    .177 Diana 34, 1750 CO2 Carbine, .177 Uber-Pumper, .22 Uber-Carbine, .25 Discovery, 22XX PCP 8-shot Carbine, 2260 PCP Rifle (50 FPE), Hayabusa PCP, .22 B-26, DAQ .308 Exile

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    he .22 cal "bullet" is turned from a piece of aluminum ? why so

  3. #3
    Moderator rsterne's Avatar
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    It is sealed with an O-ring and must be strong enough to withstand being clamped by the release mechanism....

    Bob
    Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
    Airsonal:
    .177 Diana 34, 1750 CO2 Carbine, .177 Uber-Pumper, .22 Uber-Carbine, .25 Discovery, 22XX PCP 8-shot Carbine, 2260 PCP Rifle (50 FPE), Hayabusa PCP, .22 B-26, DAQ .308 Exile

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