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Fighter Combat - Tactics and Maneuvering

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Table 1-1. American Aircraft Guns<br />

Type<br />

•<br />

Machine Guns<br />

.30-cal M2<br />

.50-cal M2<br />

.50-cal M3<br />

Cannon<br />

20-mm M2<br />

20-mm M3<br />

20-mm M39<br />

20-mm M61<br />

37-mm M4<br />

—<br />

Operational<br />

Date<br />

• "<br />

1929<br />

1933<br />

1947<br />

1941<br />

1944<br />

1953<br />

1957<br />

1941<br />

Bullet Weight<br />

llbsj<br />

.02<br />

.10<br />

.10<br />

.30<br />

.30<br />

.22<br />

.22<br />

1.34 -<br />

—<br />

Rate of Fire<br />

(rounds/mini<br />

1,200<br />

800<br />

1,200<br />

650<br />

800<br />

1,500<br />

6,000<br />

135<br />

.<br />

Weight of Fire<br />

WF<br />

jlbs/min}<br />

25<br />

81<br />

121<br />

196<br />

241<br />

332<br />

1,330<br />

181<br />

Muzzle Velocity<br />

; —<br />

Lethality<br />

VM<br />

(ft/sec)<br />

FL<br />

fWf x VJA x ID' 8 )<br />

2,600<br />

2,810<br />

2,840<br />

2,850<br />

2,750<br />

3,330<br />

3,300<br />

2,000<br />

1.7<br />

6.4<br />

9.8<br />

15.9<br />

18.2<br />

36.8<br />

144.8<br />

7.2

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