Re: Bench testing the economizer diaphragm on a Holley 1901 (teapot) carb
Carburetor icing doesn't happen in cars often due to the exhaust warmed manifold but a long decent like that is where it is most common on aircraft and the reason that they have carburetor heat systems. Normally aspirated airplane engines all have to have a carb air temp gauge and a carb heat system just for this very reason.
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