HELP
chronoscope gave up its ghost and i need to measure my rifles power, .22 cal, pellet air arms field, round nose, 16 grains approx tested on a line of bean tins 1 foot from barrel and spaced 1/2" apart, will penetrate 7 sides with the 8 th split very well but the pellet retained (3 tins fully penetrated and the pellet retained in the fourth tin)
had some details recorded a long time ago but cant find, any idea what ft/lbs my rifle is producing
fin