feathering propeller

feathering propeller

[′feth·ə·riŋ prə′pel·ər]
(mechanical engineering)
A variable-pitch marine or airscrew propeller capable of increasing pitch beyond the normal high pitch value to the feathered position.
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References in periodicals archive ?
It was well after the race, Wharington says, that he found out that his feathering propeller had been opened up during the race by the water ballast valves which had been re-positione d nearby.