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Improved Specific Impulse Rocket Engines
Looking only at the vacuum specific impulse of plain hydrogen-oxygen
rockets, is it possible to advance their specific impulse to 500, or even 520? For example, I recall Mr. Spencer recently mentioning that an ideal oxidizer:fuel ratio for hydrogen & oxygen was 4:1, but 6:1 was used because of tankage mass penalties. Would a 4:1 ratio provide an increase in specific impulse? If so, approximately how much? Mike Miller, Materials Engineer |
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