Encyclopedia Astronautica
H-1 (2)


American orbital launch vehicle. Three stage version consisting of 9 x Castor 2 + 1 x ELT Thor N + 1 x LE-5

Gross mass: 142,000 kg (313,000 lb).
Height: 42.00 m (137.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 2,130.00 kN (478,840 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
  • Castor 2 Solid propellant rocket stage. Loaded/empty mass 4,424/695 kg. Thrust 258.92 kN. Vacuum specific impulse 262 seconds. More...
  • H-1-1 Lox/Kerosene propellant rocket stage. Loaded/empty mass 85,800/4,400 kg. Thrust 866.71 kN. Vacuum specific impulse 290 seconds. License built MB-3 ELT Thor More...
  • LE-5 Lox/LH2 propellant rocket stage. Loaded/empty mass 10,600/1,800 kg. Thrust 102.90 kN. Vacuum specific impulse 450 seconds. More...

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