Encyclopedia Astronautica
WAC A-0


Solid rocket stage. 220.00 kN (49,458 lbf) thrust. Mass 300 kg (661 lb).

Status: Retired 1949.
Gross mass: 300 kg (660 lb).
Unfuelled mass: 278 kg (612 lb).
Height: 2.50 m (8.20 ft).
Diameter: 0.30 m (0.98 ft).
Thrust: 220.00 kN (49,450 lbf).
Burn time: 0.60 s.
Number: 25 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Wac Development of the JPL-Ordnance WAC began in 1944. In 1946 it became the first American rocket to exceed 80 km altitude (above the earth's atmosphere as defined by publicity of the time). It was capable of taking 11 kg to 30 km altitude and was powered by a liquid propellant engine originally developed for JATO applications. More...

Associated Manufacturers and Agencies
  • USN American agency overseeing development of rockets, spacecraft, and rocket engines. USN Joint Task Force 7, 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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