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Appendix XLIII
The A-4 Rocket: Technical Details(From German Sources)
Length: 46 feet
Diameter of body: 5 feet 5 inches
Diameter over fins: 11 feet 7 inches
Dead weight without fuel: 3-9 tons
Weight of 3:1 alcohol-water mixture: approximately 4 tons
Weight of liquid oxygen: approximately 5 tons
Total weight at take-off: 12-7 tons
Weight of warhead: approximately 1 ton
Weight of explosive: approximately 1,650 lb.
Thrust at take-off: 25 tons
Acceleration at take-off: 0-9 g
Acceleration at end of combustion: approximately 5 g
Temperature of combustion inside chamber: 2,700 degrees Centigrade
Velocity of exhaust gases: 6,700 feet per second
Maximum velocity of rocket: 3,600 miles per hour
Maximum burning time (standard rocket): 65 seconds
Time to reach sonic velocity: 25 seconds
Time of vertical flight (distance shot): 4 seconds
Angle of tilt from vertical after 54 seconds (distance shot): 49 degrees
Height at end of combustion (distance shot): approximately 20 miles
Horizontal distance from launching point at end of combustion (distance shot): approximately 15 miles
Height at peak of trajectory (distance shot): 50 to 60 miles
Maximum horizontal range (standard rocket): 200 to 220 miles
Velocity at impact (measured along trajectory): 2,200 to 2,500 miles per hour
Maximum height reached (vertical shot, 67 seconds burning time): 11 8 miles
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