| 1. | These engines incorporate a new injector head design to increase specific impulse.
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| 2. | The ion drives have very high specific impulse and very low thrust.
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| 3. | CLGG s gaseous propellants are able to increase the propellant's specific impulse.
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| 4. | The vacuum specific impulse was 380 seconds at 93 % combustion efficiency.
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| 5. | In actual rocket engines, there will be losses, lowering the specific impulse.
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| 6. | The idea of the efficacy of different propellants is related to specific impulse.
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| 7. | A more conventional bipropellant could more than double the specific impulse.
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| 8. | The specific impulse of the NK-33 is significantly higher than both these engines.
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| 9. | The maximum theoretical specific impulse for nitrogen gas is 76 seconds.
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| 10. | Theoretically, this should result in a better specific impulse than for rocket engines.
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