The VASIMR (Variable Specific Impulse Magnetoplasma Rocket) is using a 2 Tesla superconducting magnet in 2009.
The VX-200 superconducting magnet was delivered to Ad Astra’s Houston facility on February 10, 2009 by its manufacturer, Scientific Magnetics of Oxford, U.K.
Cryogen-free superconducting magnets for magneto-plasma rocket engine
A complex cryogen free superconducting magnet system for use in a plasma drive. The Variable Input Specific Impulse Magnetoplasma Rocket (VASIMR) system encompasses three linked magnetic cells; the Plasma source, RF Booster and Magnetic Nozzle. The engine was designed by the Ad Astra Rocket Company in Houston, Texas.
At well over 2 m long, this is one of the largest cryogen-free magnets ever built.
The 200 KW VASIMR reached its highly- coveted 200 kW maximum power milestone on Sept 30, 2009
Data sheet on Cryogen free magnet by Scientic Magnetics, BSCCO-2223
Regular cyrogen free magnet data sheet by Scientific Magnetics
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