Altair 3B
Engine · USA
Original archive entry. The text, images and links below are kept as they were written.

Credit: Thiokol
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.
The lightweight, external nozzle was a composite of graphite, plastic, and steel. The consumable pyrogenic igniter was actuated by two SBASI zero-time-delay initiators. Total impulse 79,155 kgf-s. Propellant mass fraction 0.893.
Propellant Formulation: CTPB.