Photograph of the NASA-173GT without the Hall stage cathode, taken prior to testing.
2002 – 2003
Tested at PEPL
PEPL, NASA GRC
The NASA-173GT was jointly developed and built by PEPL and NASA Glenn Research Center (GRC) in 2002-2003 to investigate the possibility of combining the efficient ionization stage of the ion thruster with the gridless acceleration stage of the Hall thruster.
The H9 Magnetically Shielded Hall Thruster
Hofer, R.R., Cusson, S.E., Lobbia, R.B., and Gallimore, A.D.
Performance of the H9 Magnetically Shielded Hall Thrusters
Cusson, S. E., Hofer, R. R., Lobbia, R. B., Jorns, B. A., and Gallimore, A. D.