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Solid fuel engine for upper stage applications

Name Manufacturer Mass (kg) Mass. Empt (kg) Mass. Prop (kg) Prop Mass Fract Prop Casing Thrust Vac (kN) ISP (sec) Tot. Imp. (kNs) Burn (s) Diam (m) Length (m) Remark
Star-12 (TE-M-263) Thiokol 27.7 9.4 18.2 0.660 Solid ? ? 252.0 46.04 ? 0.30 ?
Star-12A (TE-M-263-3) Thiokol 34.0 11.2 22.7 0.670 Solid ? ? 270.0 61.14 ? 0.31 ?