177 vs 22 barrels

Started by Poorman Plinker, August 19, 2015, 04:39:01 PM

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Poorman Plinker

Here is a comparison of .177 and .22 when shot out of different length barrels with co2. This was first posted in the Crosman/Poorman Plinker facebook group.

    .177–24"    .22– 24"   .177-18"   .22– 18"   .177– 10"   .22– 10"
Hi       654 fps   569 fps   651 fps   553 fps   556 fps        482 fps
Lo      631 fps   523 fps   631 fps   525 fps   529 fps        467 fps
Av      644 fps   551fps   642 fps   544 fps   546 fps        474 fps
SD      6                   16             6             9              7                4
Fpe      6.82          9.64      6.77           9.40    4.90                 7.14
Fpe/in.28             .40          .38           .52            .48                 .70
# in15  10              9           13            11            14                  15


Avg. of 3 barrels   .177        .22
fpe                            6.16   8.72
Fpe/in                      .38   .54
Increase from         15.2%   13.9%
10" to 24"   
shots in 15 fps     12.33   11.67
SD                            6.33   9.67


8)
The above information is written for entertainment purposes only; it applies only to the arms, equipment  and conditions under which the author's conclusions were drawn and should never be used as a substitute for professional assistance. The author assume no liability for damages (actual, incidental or consequential) resulting from use of the information or for the correctness of the information contained herein. The information is most likely not applicable to your situation and it cannot be generalized to any other equipment or conditions. Use of the information is at the users risk.

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