>The Cessna 182 Skylane is prone to developing carburetor ice.
>The reason for this is because the design of the induction
>system has the carburetor positioned well below the engine in
>the cowling and away from the warm air around the engine.
>Because of this tendency towards carburetor ice many Cessna
>182 Skylanes were delivered with a carburetor temperature
>gauge. The Cessna Pilots Association has strongly recommended
>to its members that they utilize carburetor heat in such a
>manner as to keep the carburetor temperature indication out of
>the yellow zone of the gauge. This may only require the use of
>partial carburetor heat, a practice that in standardized
>flight training is considered a poor procedure, being taught
>that carburetor heat should be all or nothing. The carburetor
>icing characteristics of the Cessna 182 Skylane make partial
>carburetor heat an acceptable practice for this