Aviation engines; design--construction--operation and repair; (1919)
Pagé, Victor Wilfred, 1885-1947 · New York, The Norman W. Henley publishing co. · leaf 336
equently oiled andcare taken so no grit or sand will enter which might lodgebetween the valve and its seat, which would make it failto operate properly. An air relief valve is furnished witheach engine. It should be screwed into the gas tank andproperly regulated to maintain the pressure required.… … Fig. 154.—Three-Quarter View of Hall-Scott Type A-5 125 Horse-PowerSix-Cylinder Engine, with One of the Side Radiators Removed toShow Installation in Standard Fuselage.
Airplanes
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