LOX/LH2 cryogenic propellant

Layer 2 — Chemistryin the Petrochemistry And Industrial subtree

Liquid oxygen + liquid hydrogen bipropellant; highest specific impulse (Isp ~450 s vacuum) of practical chemical rockets. Cryogenic handling, hydrogen embrittlement, low bulk density. Space Shuttle SSME, SLS.

Related concepts

Hydrogen (H, Z=1)
Combustion mass balance

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