Power Output and Air Requirements of a Two-stroke Cycle Engine for Aeronautical Use (1927)
NASA Technical Reports Server (NTRS) · leaf 8
f air, oil, and cool- ing water were maintained approximately constant. Ignition was timed to occur at 30° advance, two spark plugs being used during all tests. Engine compression pressures were determined with a balanced piston indicator while the engine was being driven by the dynamometer.… … Air supply pressure, /b./sg./h (gauge) 6 lbs./sq. in., caused; presumably, by the decrease in air flow as indicated at this speed and pressure. Some brief tests wnv conducted with fuel injected directly into the cyl- inder, but the power output was much lower than when the fuel was injected into…
NASA Technical Reports Server (NTRS)
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