P78-2 Hughes electric/xenon rocket engine. Flown in 1979. The thruster for the Scatha experiment consisted of one electron bombardment engines using xenon propellant. |
XIPS-25 1.3 kW Hughes electric/xenon rocket engine. XIPS-25 program, conducted by Hughes, developed thrusters, BBPPUs, and a feed system pressure regulator for stationkeeping of 2500 kg class communication satellites. |
XIPS-25 Hughes electric/xenon rocket engine. 4.2 kW, 25 cm diameter xenon engine system for orbital circularization, station-keeping, attitude control, and momentum dumping for HS 702 spacecraft. |
XIPS-13 Hughes electric/xenon rocket engine. In Production. HS 702 operational communications satellites each employed four of these 0.44 kW xenon ion thrusters. |