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Questions concerning the use, design, and operation of electrically powered thrusters, such as ion, Hall Effect, magnetoplasmadynamic, and VASIMR thrusters, which use electrical power and electric or magnetic fields to accelerate reaction mass, typically with low thrust and high specific impulse.

2 votes
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What prevents the use of electric engines to assist with spacecraft launches? (Launch Booste...

It would be incredibly difficult to move something as large and minimally structural object to any kind of real speed where it would help anything at all. One similar proposal is to instead launch fr …
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4 votes
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Does using electric propulsion increase the lifetime of satellites?

It can, but more commonly it is used to reduce the cost of the satellite. For instance, this article shows two satellites stacked on each other heading to GTO, which is only possible due to a signific …
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4 votes

When did ion propulsion first see some serious development efforts?

The first flown Ion Engine from the United States was the Deep Space One testbed mission, which was one of the Better-Faster-Cheaper missions of the late 1990s. However, the technology was around for …
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4 votes

Can we thrust a rocket from earth using electric power?

No. Electric power has a very low thrust. It would require an enormous amount of energy to lift, far beyond even the most concentrated engine today. The closest is the Electron Rocket, which uses bat …
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2 votes
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Why are electrodynamic tethers not used to propel payloads beyond LEO?

Parsing information from Wikipedia. Space tethers are extremely slow, and are somewhat unweildly. The main thought has been for use to deorbit them. In order to make them work, one has to have a very …
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