Encyclopedia Astronautica
T-220



zt220hal.jpg
T220 Hall
Pratt and Whitney / Keldysh Research Center electric rocket engine. Development began in 1997 of this 10 kW Hall thruster Program concluded in 2000 following a 1000 hour erosion characterization.

10 kW Hall thruster. The Advanced Space Transportation Program (ASTP) sponsorship of high-power Hall thruster development began in 1997 with the award of a 10 kW Hall thruster contract to TRW, Space Power Inc. and the Keldysh Research Center. Under this contract, the T-220 Hall thruster was delivered to NASA GRC and a performance investigation was conducted in 1998.2 The program concluded in FY00 following a 1000 hour erosion characterization.

Electrical Input Power: 10.00 kW.

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