46 
PRINCIPLES OF GUNNERY. 
or taking C= 1, for purposes of comparison, 
77-// _ (w +w')v __ (9-06 + 1-75) 1390 __ w . 00 * 
W" j 3049 ~ 7 66 t ’ S ' ! 
as in the table. Also, 
TV"y"1 2049 v (7*33^2 
energy of recoil (or work done in recoil) = — -= — -A- L = 1711 ft. lbs. 
2 x 32 2 
For destructive effect on the carriage caused by the shock of 
discharge of the gun, see “ Treatise on Military Carriages,” pp. 30-33, 
