Saturday 9 April 2011

Statistics of the V-2







Power: Liquid-fuelled rocket motor 
Ethyl Alcohol (75%): 8,179 lb, 3710 kg 
Liquid-oxygen: 10,802 lb, 49,00 kg
Warhead: 1,627 lb of explosives, 738 kg
(not high explosives, because of frictional warmth exceeding 1,200 degrees F during flight) 
Launch weight: 12.8 tons, 13,000 kg
Hydrogen Peroxide 285 lbs, 129 kg
Sodium Permanganate 35 lbs, 15.8 kg
Nitrogen 30 lbs (Nitrogen has multiple services, the difficult valve system is operated by it and the pressure in the alcohol tank)
Thrust at liftoff:  55,100 lb, 25,000 kg
Fuel consumption, per sec:
286 lb, 130 kg
Acceleration at liftoff: 0.9 g 
Burn time: 65 sec.
Guidance: Gyro Preset
Burning temp. 4,802 degrees F, 2,650 degrees C
Consumption 276 lbs/per sec, 125 kg/per sec
Max motor temp: ~2,700 degrees C, ~4,890 degrees F 
Motor pressure: 15 bar, 217 lb/sq inch
Nozzle expansion ratio: 15.45:0.85
Warhead/Launch weight ratio: 0.075 
Maximum speed: 5,400 km/h, 3,355 mph
Maximum altitude: 96 km, 60 miles 
Length: 14 m, 46 feet 
Body diameter: 1.651 m, 5 ft. 5 inches 
Diameter over fins 3.55 m, 11 ft. 8 inches 
Rocket stays vertical after liftoff: 5 sec. 
   -completes tilt within: 50 sec. 
   -attains angle of 49 degrees from vertical at: 54 sec. 
   -passes speed of sound: 25 sec.
Velocity along trajectory (max): 1,600 m / sec., 1 mi / sec. 
Impact velocity: 1,100 m / sec., 3,600 ft. / sec. 
Apogee of trajectory: 90 km, 56 mi 
Range: 320 km, 199 mi

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