A Sampling of Earlier MMI Launch Vehicle Concepts

1995 TSTO Space Van
(4200 kg payload or 16 passengers; 350 tonne gross with 86 tonne orbiter; both stages piloted) 
1982 Air Launched Space Van

  • Modified 747 carrier aircraft
  • Orbiter gross mass: 64 tonnes
  • Orbiter-mode payload: 300 kg
  • Booster-mode payload payload
    with semi-expendable upper
    stage: 3000 kg
  • Piloted
1971 HTOL Assisted SSTO: "Windjammer"

  • Assisted single-stage-to-orbit
    with either a ground sled or a
    "flyable sled"
  • 1000 tonne gross mass
  • 15,000 kg payload
  • Piloted
1967 VTHL Assisted SSTO (picture not available)
  • 1100 tonne gross; 15,000 kg payload
  • Rocketdyne aerospike main engine derived from J-2 turbomachinery
  • Six Rocketdyne H-1 takeoff assist engines (dropped at launch site)

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