Encyclopedia Astronautica
Polaris A2-2


Solid rocket stage. Mass 4,200 kg (9,259 lb).

AKA: Polaris A2P St2.
Status: Retired 1971.
Gross mass: 4,200 kg (9,200 lb).
Unfuelled mass: 860 kg (1,890 lb).
Height: 2.10 m (6.80 ft).
Diameter: 1.37 m (4.49 ft).
Number: 205 .

More... - Chronology...


Associated Countries
Associated Engines
Associated Launch Vehicles
  • Polaris A2 American missile. In comparison to the A-1, the Polaris A-2 had a slightly longer first stage and a lighter second-stage motor casing. These features increased range to 2800 km (1500 nm), the performance originally envisioned by the Navy. More...

Associated Manufacturers and Agencies
  • Lockheed American manufacturer of rockets, spacecraft, and rocket engines. Lockheed Martin, Sunnyvale, CA, USA. More...

Associated Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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