Questions tagged [carbheat]

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Why does engine temperature rise upon applying carburetor heat?

When carb heat is applied, the mixture enriches due to hotter and less-dense air mixing with the fuel. But a richer mixture has the side effect of cooling the engine down. So why does carb heat cause ...
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Why does using carburetor heat increase fuel consumption?

As written above, why does using carburetor heat increase fuel consumption? Because I found such information in a few SOPs for piston airplanes and I do not understand why does it happen
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Why do we check Idle operation with carb heat on during a Cessna 172 run-up?

I understand this is to “check our engine is still operating at idle”, but can someone explain this more in depth? Like why wouldn’t it?
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14 votes
5 answers
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C-152 carb heat on before landing in hot weather?

I know the POH for the C-152 explicitly states carb heat should be applied before landing. I fly in a tropical country where temperature is at 30°C on average on the ground, twice the standard temp. ...
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Carburetor Heat Required on Carburetor equipped GA aircraft?

Is Carburetor Heat Required (by FAA Certification regulations) on Carburetor equipped GA aircraft? If not, what (if any) certified carburetor-equipped GA aircraft do NOT have Carburetor Heat installed ...
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Carb Heat and Lycoming Engines

Why is Carb Heat less of an issue on Lycoming Engines? and if this is true, how much less of an issue is it?
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