> The most recent tests of VASIMR have run at 200 kW and expelled ions at 180,000 km/h Is this the power consumed by the device, or a measurement of the propul

> The most recent tests of VASIMR have run at 200 kW and expelled ions at 180,000 km/h Is this the power consumed by the device, or a measurement of the propulsion power created? It would be interesting to know the energy efficiency; i.e. what percentage of the input power is converted to thrust.