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A2

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A2 Credit: © Mark Wade

Status: Retired 1934. First Launch: 1934-12-19. Last Launch: 1934-12-20. Number: 2 . Thrust: 3.00 kN (674 lbf). Gross mass: 107 kg (235 lb). Height: 1.61 m (5.28 ft). Diameter: 0.31 m (1.03 ft). Span: 0.31 m (1.03 ft). Apogee: 3.50 km (2.10 mi).

35 kg of liquid oxygen/75% alcohol propellants were pressure-fed to the combustion chamber for 16 seconds. Pressure at launch was 18 bar, falling to 14 bar at burn-out. Correspondingly, lift-off thrust was 320 kgf, falling to 240 kgf at fuel exhaustion. Combustion chamber pressure was 9.2 bar.

The A2 was stretched to a 4.5:1 length:diameter ratio compared to the A1. The flywheel stabilization package was moved to the intertank compartment in comparison with the A1.

Photo Gallery

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A2 Credit: © Mark Wade

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• A2 rocket 'Max' successfully launched. - . Nation: Germany. Related Persons: von Braun. Apogee: 2.20 km (1.37 mi).

  Von Braun's German Ordnance group launches A-2 'Max' from the Island of Borkum in the North Sea before the Commander-in-Chief of the German Army. The rocket is at an altitude of 1.7 km at burn-out, and reaches 2.2 km before falling back to impact 800 m from the launch point.

• A2 rocket 'Moritz' successfully launched. - . Nation: Germany. Related Persons: von Braun. Apogee: 3.50 km (2.10 mi).

  Von Braun's German Ordnance group launches the second of two A-2 rockets ('Moritz') successfully to a height of 3.5 km on the Island of Borkum in the North Sea. Burnout is at 1.8 km, and the rocket ascends more vertically than the test the previous day, reaching a greater altitude and impacting 500 m from the launch point.