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Altair engine series

Stage

Original archive entry. The text, images and links below are kept as they were written.

Series of Thiokol upper stage solid rocket motors.

Subtopics

  • Altair 1 Thiokol solid rocket engine. Used on Atlas Able, Blue Scout 2, Caleb, Delta, Delta A, Delta B, Delta C. First flight 1959.
  • Altair 1A Thiokol solid rocket engine. Used on Scout X-1, Scout X-2, Scout X-3. First flight 1960.
  • Altair 3D Thiokol solid rocket engine. Kick stage motor for Delta E, Delta L. First flight 1965.
  • Altair 2 Thiokol solid rocket engine. Kick stage motor for Delta D, Scout A, Scout X-4. First flight 1963.
  • Altair 3 Thiokol solid rocket engine. In Production. Altair III was developed as the propulsion unit for the fourth stage of the Scout launch vehicle. A filament-wound, fiberglass-epoxy case contained the CTPB propellant grain.
  • Altair 3A Thiokol solid rocket engine. Out of Production. Total impulse 83,839 kgf-sec. Motor propellant mass fraction 0.91.
  • Altair 3B Thiokol solid rocket engine. In Production. Modified version of the STAR 20 with increased case structural capability over the. A filament-wound, fiberglass-epoxy case contained the CTPB propellant grain.
  • Star 20 Spherical Thiokol solid rocket engine. Out of Production. Total impulse 30,198 kgf-sec. Motor propellant mass fraction 0.934.