| 21. | These advantages were expected to overcome the disadvantages of small specific impulse and payload fraction.
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| 22. | This would have created immense toxicity problems but increased the specific impulse of the engine by.
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| 23. | Jet engines use outside air, and therefore have a much higher specific impulse than rocket engines.
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| 24. | Nonetheless, the high specific impulse of electrical thrusters may significantly reduce the cost of the flight.
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| 25. | When calculating specific impulse, only propellant that is carried with the vehicle before use is counted.
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| 26. | LMP-103S has 6 % higher specific impulse and 30 % higher impulse density than hydrazine monopropellant.
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| 27. | With higher fusions gains comes higher exhaust velocity, higher specific impulse and lower electrical power requirements.
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| 28. | The specific impulse of AF-M315E is 257 s.
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| 29. | Thus, the greater the specific impulse, the greater the net thrust and performance of the engine.
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| 30. | The theoretical specific impulse ( " I " sp ) range from 1500 to 3000 seconds.
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