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Star 48
Thiokol solid rocket engine. Used in Delta 3900; Conestoga; PAM-S; PAM-D. Total flown included in total for Star-48-8. Total impulse 575,682 kgf-sec. Motor propellant mass fraction 0.946. First flight 1982.

AKA: PAM-D;PAM-S;TE-M-711-3. Status: Out of Production. Number: 125 . Thrust: 67.20 kN (15,107 lbf). Gross mass: 2,114 kg (4,660 lb). Unfuelled mass: 114 kg (251 lb). Specific impulse: 287 s. Burn time: 88 s. Height: 2.04 m (6.69 ft). Diameter: 1.24 m (4.06 ft).

Chamber Pressure: 40.00 bar. Area Ratio: 49.

Subtopics
Star 48 8 Thiokol solid rocket engine. Out of Production. Total impulse 587,784 kgf-sec. Motor propellant mass fraction 0.945.
Star 48B Thiokol solid rocket engine. In Production. Long nozzle upper-stage motor qualified for the McDonnell Payload Assist Module (PAM) Delta.
Star 48V Thiokol solid rocket engine. In Production. Developed for Conestoga's upper stage, providing some ±4 degrees capability at 30 degree/sec using the same loaded casing as the 48B. First Flight: 1994.
Star 48A l Thiokol solid rocket engine. In Production. Total impulse 709,062 kgf-sec. Motor propellant mass fraction 0.941.
Star 48B l Thiokol solid rocket engine. In Production. Lengthened version of Star 48B to provide increased payload capability. The design incorporates a longer cylindrical section in the motor case.
Star 48A s Thiokol solid rocket engine. In Production. Short nozzle upper-stage motor designed to fit within the dimensional envelope of the long nozzle.
Star 48B s Thiokol solid rocket engine. In Production. Short nozzle upper-stage motor qualified for the McDonnell Douglas Payload Assist Module (PAM) Space Transportation System (STS).
Country: USA. Spacecraft: Black Colt. Launch Vehicles: Delta 3910/PAM, Delta 3920/PAM, Atlas E/SGS-2, Delta 3925, Delta 6925, Delta 4925-8, Delta 6925-8, Delta 7925, Delta 7925-8, Delta 7925-10, EER Aries, Conestoga, Delta 7925-9.5, Delta 7425-9.5, Delta 7425-10, Delta 7920H, Delta 7925-10L, Delta 7925H, Delta IV Small. Propellants: Solid. Stages: Star 48. Agency: Thiokol.
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