| astronautix.com | Star 30E |
![]() |
| Star-30E - Credit: Thiokol. 1,796 bytes. 110 x 57 pixels. |
Apogee motor is used for the BAe Skynet 4 satellite, Koreasat and by the ORBEX small orbital launcher. The design incorporates a case cylinder 7 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 182,216 kgf-s. Propellant mass fraction 0.932.