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What is a lithium fed GIT? How does it work?
This answer to What is the maximum speed an ion engine can propel a spacecraft at? mentions the following:
Lithium fed GIT (gridded ion thrusters) have demonstrated 50,000 - 80,000 seconds of ISP (...
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Why don't ion thrusters use exothermic reactions directly to ionize the gas and heat up the plasma?
Ion thrusters require a lot of energy because of their high exhaust velocities. But why can't they just pump a mixture of hydrogen and xenon into the chamber, mix it with oxygen and burn it? Doesn't ...
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