PPRuNe Forums - View Single Post - Why isn't the carb heated all the time?
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Old 26th Nov 2010, 10:28
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Iwasoneonce
 
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Applying carburetor heat sends a warm air through the carburetor, which has the effect of giving a rich mixture, hence the RPM drop. Also when carburetor heat is applied the air is unfiltered. IIRC.
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