Injector and Combustion Chamber

We’ve begun to make components for the next iteration of the Pyralis engine. As this version will burn ethanol and nitrous oxide at high temperatures, we need to make the components from materials which can take the heat. The picture below shows the combustion chamber wall being fitted to a half-finished injector. Both are made from 300 series stainless steel, which was selected for its high strength at elevated temperatures, and its corrosion resistance. Team members Matt V Sam J and Julia C-F machined the parts in the AeroAstro Department’s Gelb lab.

The combustion chamber is test-fitted to a half finished injector. The rocket's propellants will mix and spray out of the six orifices in the injector.

The combustion chamber is test-fitted to a half finished injector. The rocket’s propellants will mix and spray out of the six orifices in the injector.

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