In determining the specific fuel consumption rating of gasoline-driven single-cylinder engines, three problems occur: test stand vibrations, shifting of the direct coupling mechanism, and inability to maintain constant dynamometer loads for any length of time. A small portable test stand was designed, minimizing the vibrations. A steelflex coupling fastened by means of two set screws, one on top of another, absorbed the shock loads and prevented coupling shifting. A water pressure valve installed at the inlet to the dynamometer maintained a constant water pressure. A deflector mounted within the dynamometer in turn insured the rotor being completely surrounded by water, allowing a constant load to be maintained on the dynamometer.
Problems Common To Specific Fuel Consumption Rating of Gasoline Driven Single-Cylinder Engines
Sae Technical Papers
Pre-1964 SAE Technical Papers ; 1906
1962-01-01
Aufsatz (Konferenz)
Englisch
Valves , Propellers and rotors , Pressure , Screws , Water , Gasoline , Fuel consumption
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