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Variable Isp (Speed of Exhaust)
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Advantages
- Variable specific impulse and thrust at maximum power
- Electrodeless design with magnetic insulation
- Continuous acceleration (low artificial gravity)
- High efficiency ion cyclotron resonance heating (ICRH), high voltage and low current.
- Capability for powered mission aborts.
- Propulsion system is adaptable to slow, high payload robotic cargo missions as well as fast,
lower payload human transfers.
- Among other electric propulsion systems, VASIMRTM uses less expensive and more abundant fuels: hydrogen,
argon, neon
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