Wed Nov 03, 2004 5:42 pm
#132464
Pilot H wrote:Partial carb heat can raise the temperature into the icing zone, so should never be used unless a carb temperature gauge is fitted, in which case it can be useful for cruise flight in icing conditions (The partial carb heat can then be used to raise the temp enough to prevent icing as verified by the Temperature gauge, but does not cut back power as much as full heat would)
I remain unconvinced by the physics of this -- though I wholeheartedly agree with your previous comment, BTW.
If air is too cold for icing to start with, I don't see how heating it can make it more likely to produce ice.