Monthly Archives: May 2015

Aluminum air tank burst test

I bought this hydrostatic pressure tester from Amazon and used it to burst a 7 gallon (26.5 L) aluminum air tank I bought on sale from Harbor Freight. I thought the aluminum air tank might make a good LOX and … Continue reading

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100 lbf LOX/alcohol heat sink engine

I designed a 100 lbf (445 N) LOX/ethanol engine, similar to Robert Watzlavick’s heat sink kerolox engine. The analysis is nothing more than the 1D isentropic compressible flow equations and thermodynamic data from RPA: 100 lbf engine Propellants: 70%ethanol and liquid … Continue reading

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