A-4

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A-4

Part of V-2

German production version.

Status: Retired 1947. First Launch: 1942-06-13. Last Launch: 1947-11-13. Number: 156 . Thrust: 311.80 kN (70,095 lbf). Gross mass: 12,800 kg (28,200 lb). Unfuelled mass: 4,008 kg (8,836 lb). Specific impulse: 239 s. Specific impulse sea level: 203 s. Burn time: 68 s. Height: 13.60 m (44.60 ft). Diameter: 1.65 m (5.41 ft). Span: 3.56 m (11.67 ft). Apogee: 85 km (52 mi).

Subtopics

A-4 stage LOx/Alcohol propellant rocket stage. V-2 production version.

A-9 stage LOx/Alcohol propellant rocket stage. Winged version.

R-1 stage LOx/Alcohol propellant rocket stage. Payload 815 / 483 kg. Range 270 km. Maximum altitude 77 km. Time of flight 5 minutes. Max velocity at burnout 1465 m/s. Accuracy 8 km in range, 4 km laterally.

R-2 stage LOx/Alcohol propellant rocket stage. Payload 1350 / 508 kg. Range 550 km. Maximum altitude 171 km. Time of flight 7.5 minutes. Max velocity at burnout 2175 m/s. Accuracy 8 km in range, 4 km laterally.

R-3A stage LOx/Alcohol propellant rocket stage. Further incremental upgrade of R-2. Payload 500 kg. Range 935 km. Developed from 1949 to October 1951. Cancelled, work combined with 8K14 development.

DF-1-1 LOx/Alcohol rocket stage. 270.00 kN (60,698 lbf) thrust. Mass 14,000 kg (30,865 lb).

Family: short range ballistic. People: von Braun. Country: Germany. Engines: Model 39. Propellants: Lox/Alcohol. Launch Sites: Peenemuende P7, Heidelager, Heidekraut, Peenemuende SK, Kapustin Yar, Kapustin Yar V-2. Stages: A-4 stage.

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