Matches in DBpedia 2014 for { ?s ?p The HG-3 was a liquid-fuel cryogenic rocket engine which was designed for use on the upper stages of Saturn rockets in the post-Apollo era. Designed in the United States of America by Rocketdyne, the HG-3 would have burned cryogenic liquid hydrogen & liquid oxygen propellants, with each engine producing 1,400.7 kN (315,000 lbf) of thrust during flight. The engine was designed to produce a specific impulse (Isp) of 451 seconds in a vacuum, or 280 seconds at sea level.. }
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- HG-3_(rocket_engine) comment "The HG-3 was a liquid-fuel cryogenic rocket engine which was designed for use on the upper stages of Saturn rockets in the post-Apollo era. Designed in the United States of America by Rocketdyne, the HG-3 would have burned cryogenic liquid hydrogen & liquid oxygen propellants, with each engine producing 1,400.7 kN (315,000 lbf) of thrust during flight. The engine was designed to produce a specific impulse (Isp) of 451 seconds in a vacuum, or 280 seconds at sea level.".