Investigation in which four supercharger capacities, obtained by driving Roots-type supercharger at 1.615, 1.957, 2.4, and 3 times engine speed, were used to maintain sea-level pressure at carburetor to altitudes of 7000, 11,500, 17,000 and 22,000 ft., respectively; performance of plane in climb and in level flight determined; very little sacrifice in sea-level performance experienced with larger supercharger drive ratios, compared with performance with smaller-drive ratios.
The effect of supercharger capacity on engine and airplane performance
Nat. Advisory Committee Aeronautics -- Report
1930
20 pages
10 Figs.
Report
English
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Investigation of Rateau supercharger for 700-horsepower airplane engine
Engineering Index Backfile | 1934
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