Appendix 43: 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 |