Lafleur, T.; Takahashi, K.; Charles, C.; Boswell, R. W.
It is shown analytically that the thrust from a simple plasma thruster (in the absence of a magnetic
field) is given by the maximum upstream electron pressure, even if the plasma diverges
downstream. Direct thrust measurements of a thruster are then performed using a pendulum thrust
balance and a laser displacement sensor. A maximum thrust of about 2 mN is obtained at 700 W
for a thruster length of 17.5 cm and a flow rate of 0.9 mg s1, while a larger thrust of 4 mN is
obtained at a similar...[Show more]
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