109 prop pitch (rpm) and the supercharger - Page 2 - Official Fulqrum Publishing forum

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109 prop pitch (rpm) and the supercharger

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#11

09-15-2012, 01:04 PM

Kurfürst

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Join Date: Oct 2007

Posts: 705

Regarding the gain of airspeed at altitude by overevving the engine and "boosting" the supercharger this way, the F-1/F-2 Kennblatt gives some hint. Blatt 6 says that by increasing RPM to 2800 over the normal maximum of 2600 yields 10 to 15 kph increase in speed at the rated altitude.

http://kurfurst.org/Performance_test...1F2_DB601N.PDF

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