STOPPING POWER

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Stopping power is characterized by the kinetic energy and especially the surface kinetic energy

	Kinetic energy :
	Where W. is the projectile weight and V. its Velocity
	Surface kinetic energy :
	Where S. is the frontal area of the projectile

Data for the 12 gauge Sauvestre ammunition :

At muzzle	At 33 yds	At 110 yds
E. = 3250 J (2400 ft.-Lb)	E. = 2750 J (2030 ft.-Lb)	E. = 1780 J (1340 ft.-Lb)
S.E. = 31.7 J/mm² (15100 ft.-Lb/sq.in.)	S.E. = 26.9 J/mm² (12770 ft.-Lb/sq.in.)	S.E. = 17.4 J/mm² (8250 ft.-Lb/sq.in.)
V = 500 m/s (1640 ft./s.)	V = 460 m/s (1500 ft./s.)	V = 370 m/s (1215 ft./s.)

Compared with other sabot rounds, the Sauvestre type features :

At 33 yds	At 110 yds
E . : x 1 .6	E . : x 1 .9
S.E. : x 2.5	S.E. : x 3

Shot at 33 yds into plastic	Recovered from a wild boar	Recovered from a roe deer

Compared with conventional rounds :

• Cavitation volume : x 2.5
• Fragmentation by levels
• Major crack network due to the shock-wave effects