| astronautix.com | Star 13 |
A braking motor used by NASA for the Anchored Interplanetary Monitoring Platform program. A charge of AP/Al urethane contained in a spherical case of 6Al-4V titanium, with a graphite/vitreous silica phenolic nozzle. Sweden's Freja scientific satellite used it in October of 1992, to raise its apogee. Total impulse 8,524 kgf-sec. Motor propellant mass fraction 0.869.