LE-7
Rocket engine
The LE-7 and its succeeding upgrade model the LE-7A are staged combustion cycle LH₂/LOX liquid rocket engines produced in Japan for the H-II series of launch vehicles. Wikipedia
Chamber: 1
Cycle: Staged combustion
Dry mass: 1,714 kg (3,779 lb)
Length: 3.4 m
Nozzle ratio: 52:1
Propellant: LOX / LH2
Specific impulse, sea-level: 349 seconds (3.42 km/s)
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