AKA: 51-KS-7,340;TE-M-700-18. Status: In Production. Number: 10 . Thrust: 32.60 kN (7,329 lbf). Gross mass: 630 kg (1,380 lb). Unfuelled mass: 39 kg (85 lb). Specific impulse: 287 s. Burn time: 51 s. Height: 1.49 m (4.90 ft). Diameter: 0.76 m (2.50 ft).
The design incorporates a case cylinder 5 inches longer than the STAR 30BP and an 89-percent-solids HTPB propellant in a 6AI-4V titanium case insulated with silica-filled EPDM rubber. It has a contoured nozzle with an integral toroidal igniter and a carbon-phenolic exit cone. Total impulse 171,002 kgf-s. Propellant mass fraction 0.939.
Propellant Formulation: HTPB.