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|Oxidiser||Nitrous oxide (N2O)|
|Fuel||75% Isopropyl alcohol (IPA, C3H8O), 25% water (by mass)|
|Chamber pressure||10 bar|
|Chamber temperature||2857 K|
|O/F ratio||3.5 (by mass - where the water is included in the 'fuel' mass)|
|Specific impulse||190 s (theoretical)|
|Mass flow rate||0.803 kg/s (0.625 N2O, 0.134 IPA, 0.044 water)|
The combustion chamber uses a water-cooled jacket, with a graphite nozzle that is bolted into a retainer ring. The cooling channels are cut into an off-the-shelf copper tube using a CNC machine.
The injector is intended to be a pintle design.