Abstract
The Project of Osaka Institute of Technology Electric‐Rocket‐Engine onboard Small Space Ship (PROITERES) was started at Osaka Institute of Technology. In PROITERES, a small satellite with electrothermal pulsed plasma thrusters (PPTs) will be launched in 2010. The main mission is powered flight of small satellite by electric thruster. This study aims at improvement in performance by changing configuration of PPTs. The total impulse of about 5 Ns was achieved with a Teflon® (poly‐tetrafluoroethylene: PTFE) cylindrical discharge room of 9.0 mm in length and 1.0 mm in diameter in 53,000‐shot operation with 2.43 J/shot. Finally, the engineering model of the PPT system was developed, and it is under operation as final test.
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