According to Ad Astra, VASIMR VX-200SS program has completed six years of development and testing under a NASA NextSTEP contract with the goal of demonstrating a steady-state, 100-kW engine at a ...

VASIMR, the propulsion system Ad Astra has been ... They have to keep pushing—like the engines they hope to fly someday.

Conventional rockets have limited room for improvement in this area, because increasing the exhaust velocity increases the danger of engine meltdown. VASIMR solves the problem by eliminating parts ...