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Ice on airplanes causes two main problems. It adds weight and drag. It changes the shape of the aerodynamic surfaces. Problem 1 is fairly obvious. How serious a problem it is depends on the airplane and how fully loaded it is. If it is a problem, then ice needs to be removed from any or all surfaces to reduce the problem to an acceptable level. If the ...


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The props are done before starting because you need to make sure the blades and spinners are fully cleaned off while they are stationary. Otherwise, they'd vibrate like hell when starting and shed bits of ice all over. Also, if you just sprayed the props while running the engines would ingest a lot of glycol, which, if it doesn't make the engine flame out, ...


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Ice flying off the propellers can damage something, or someone. Also unbalances the propeller assembly overall, leading to vibrations. Little bit of ice left on the fuselage is not bad, only causes some extra drag until it sublimates off, and of course a little extra weight. Ice Will impact the lift created by the wings, that is very bad, unless the ice is ...


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