Lox/Hydrazine
Propellant
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Lox/Hydrazine propellant. Motors were tested with this propellant combination in the 1950's, but hydrazine (N2H4) was quickly replaced by UDMH.
Optimum Oxidizer to Fuel Ratio: .9. Temperature of Combustion: 3,400 deg K. Ratio of Specific Heats: 1.25. Density: 1.07 g/cc. Characteristic velocity c: 1,910 m/s (6,260 ft/sec). Isp Shifting: 313 sec. Isp Frozen: 301 sec. Mol: 19.40 M (63.60 ft). Oxidizer Density: 1.140 g/cc. Oxidizer Freezing Point: -219 deg C. Oxidizer Boiling Point: -183 deg C. Fuel Density: 1.008 g/cc. Fuel Freezing Point: 2.00 deg C. Fuel Boiling Point: 113 deg C.