Comparative Flight Performance with an NACA Roots Supercharger and a Turbocentrifugal Supercharger (1931)
NASA Technical Reports Server (NTRS) · leaf 10
eed reached a])pr()xiinately 28,000 revolutions per tiires at the supercharger outlet, were somewhat lower minute, which is 5,000 revolutions per minute more with the turbosupercharger. The cooling obtained in than the rated speed for this rotor. the air duct from the cooler to the carburetor was… … Engine speed, r.p.m. Figure 6.—Engine speed in climb and level flight with the turbosupercharger and with the Roots type supercharger using a 3:1 drive-gear ratio. Also un- 20000 supercharged but with a supercharger installed The atmospheric and carburetor air pressures for ^ 16000 flights with the…
NASA Technical Reports Server (NTRS)
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