I’ve heard that planes, vehicles, equipment, etc. are not built for long term disuse. What is it about occasional use that may leave for example a plane in better condition than if left in a hangar all year?
In: 37
The shaft seals in the hydraulic equipment. Cycling everything on occasion will lube the seals.
Also, the hydraulic fluid expands slightly when it gets warmed. This means the supply tank is vented. This is a top-ten reason why planes should be stored where it’s dry.
Humidity will get into the hydraulic supply tank and condense into moisture droplets.
During use, the oil gets pretty hot, so that will boil-off any moisture in it.
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