ClO3F/Hydyne
Propellant
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ClO3F/Hydyne propellant. No engines reached the operational stage using this propellant combination; perchloryl fluoride had better performance using hydrazine fuel. Hydyne was a propellant blend pushed rather vigorously by the Redstone arsenal in the late 1950's, but it found little application.
Optimum Oxidizer to Fuel Ratio: 2.78. Temperature of Combustion: 3,290 deg K. Density: 1.22 g/cc. Oxidizer Density: 1.430 g/cc. Oxidizer Freezing Point: -146 deg C. Oxidizer Boiling Point: -47 deg C. Fuel Density: 0.860 g/cc. Fuel Freezing Point: -84 deg C. Fuel Boiling Point: 64 deg C.