Encyclopedia Astronautica
Thor Ablestar 2


American orbital launch vehicle. Two stage vehicle consisting of 1 x Thor DSV-2A + 1 x Able-Star/AJ10-104D

Gross mass: 53,000 kg (116,000 lb).
Height: 23.80 m (78.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 756.00 kN (169,955 lbf).
Apogee: 1,500 km (900 mi).

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Associated Countries
See also
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...

Associated Stages
  • Able-Star Nitric acid/UDMH propellant rocket stage. Loaded/empty mass 4,497/599 kg. Thrust 36.02 kN. Vacuum specific impulse 280 seconds. The Air Force requested increases in the propulsion system capabilities of the original Able upper stage design in an effort to meet their ever-expanding mission requirements. As a result, the stainless steel version of the basic Able engine was selected, and it was uprated to increase thrust 34.7 kN to 37.0 kN and to increase the duration 2-1/2 times (easily done with the stainless steel thrust chamber) - and this configuration was called Ablestar. More...
  • Thor DM-21 Lox/Kerosene propellant rocket stage. Loaded/empty mass 48,354/2,948 kg. Thrust 760.64 kN. Vacuum specific impulse 285 seconds. More...

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