Definitions
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Etymologies
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Examples
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At a lower Isp it can run all the way up to about 3.2 newtons at about 1400 seconds.
Astronauts Once Again Demonstrate Why Humans Must be a Part of Space Exploration - NASA Watch 2009
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Kilowatt rocket that has a battery system that will charge off the stations electrical grid so it can do 10 minute pulses & can produce specific impuleses of 3,000 to 30,000 seconds (Isp) using Radio Frequencies & superconducting magnets to control heated plasma.
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These LACE style engines sure look like a long term solution to overcoming the current Isp limits of 460 sec for high thrust propulsion.
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At 50kw it has a thrust of 2.5 newtons at an Isp that is variable between 2000 and 3000 seconds.
Astronauts Once Again Demonstrate Why Humans Must be a Part of Space Exploration - NASA Watch 2009
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Or, would regenerative RS-68 need to be developed with their greater thrust but slightly less Isp than the SSME?
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For high metal fractions, the Isp drops but this is likely more than compensated for by the increased potential for ISRU.
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Higher silanes + H2O2 are expected to be a dense, space storable and hypergolic propellant combination with better Isp and lower toxicity than MMH/NTO.
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Depending on the mass fraction of the metal, Isp and density can be increased.
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The goal is to increase the Isp to about 375s in the next ten years or so.
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At 50kw it has a thrust of 2.5 newtons at an Isp that is variable between 2000 and 3000 seconds.
Astronauts Once Again Demonstrate Why Humans Must be a Part of Space Exploration - NASA Watch 2009
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