TRW completes dual-mode rocket-engine testing

TRW HAS completed 90,000s qualification testing of the first dual-mode rocket engine developed for spacecraft. The Secondary Combuster Augmented Thruster (SCAT), which has a thrust range of 2.2kg (5lb) to 6.8kg, can be operated in either hydrazine-monopropellant or hydrazine/nitrogen-tetroxide-bipropellant mode, performing limited station-keeping and attitude control, or orbit insertion and ...