Carburetor heat

As Carburetor (English carburetor heat or carburetor anti -ice ) refers to an auxiliary device in engines of piston aircraft, which prevents carburetor icing.

Operation

For preheating the carburettor, a valve is opened so that it is pre-heated with air from the exhaust system. The warm air causes but due to their lower density at the same time a drop in performance of about 50-250 RPM. However, can not enter the carburettor icing with prewarmed carburetor.

Function test before flight

The function of the carburetor heat is checked before flying by. Activates them and observed the expected drop in performance of the engine with the aid of appropriate instruments such as the tachometer Will not occur this performance degradation and the function of the instrument used guaranteed, it must be assumed that the carburetor heat is defective. Analog have some aircraft types over a carburetor thermometer is marked on the most of the area of ​​highest potential of carburetor icing.

Swell

• Winfried Kassera: Motorflug compact; The basic knowledge of the private pilot license 3rd edition. Engine book publishing, 2010, ISBN 978-3-613-02758-9, engine, p 70

• Aviation Safety