Comparative Flight Performance with an NACA Roots Supercharger and a Turbocentrifugal Supercharger (1931)
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10 REPORT NATIONAL ADVLSORY COMMITTEE FOR AERONAX^TICS the difficulty could be remedied by the use of less under the disadvantage of increased frontal area, and rigid ducts. Similar trouble had previously been when equipped with the Roots supercharger under the experienced with the carburetor air… … Temperature, °F Figure 8—Air temperatures during sui)ercharged climbs, with the turbosupercharger and with the Roots type supercharger using a 3:1 drive-gear ratio 28000 24000 20000 16000 12000 8000 4000 30 10 14 18 22 22 26 30 26 18 Pressure, inches of Hg. FKii KK y—Atmospheric and carburetor air…
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