The comparative performance of Roots type aircraft engine superchargers as affected by change in impeller speed and displacement (1929)
NASA Technical Reports Server (NTRS) · leaf 6
S O The machine with the 11-inch impellers has been described in detail in Technical Report No. 230 and, except for changes tending for better mechanical conditions, the type of construction of all three machines is essentially that given therein. Figure 1 shows the constructional details of the… … q iooo 2000 3000 4000 5000 6000 7000 0 2 4 6 8 10 12 14 16 Impeller R. P.M. Pressure difference across supercharger, in. ofHg. Fig. 3—Power and powei losses as affected by impeller Fig. 2.—Power requirements as affected by impeller displacement, displacement, speed, and pressure difference speed,…
NASA Technical Reports Server (NTRS)
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