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Re: carb icing, what to do?
The reason a dessicant wouldn't work here is because of constant exposure to moisture, and the large volume of air that's being drawn in. Carb icing is a constant threat to carbureted aircraft, so they're built with a system to draw alternate intake air from a heat muff on the exhaust. It decreases power by about 10% when activated, so is only used when needed.
Also, since aircraft carbs are updraft, mounted under the engine, they don't pick up any heatsoak from the engine.
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