variable-pitch

[ vair-ee-uh-buhl-pich ]

adjective

, Aeronautics, Nautical.

1. (of a propeller) controllable-pitch.

Example Sentences

Helicopters on the other hand, with variable-pitch blades, can simply change the blade pitch to change thrust, and that requires much less energy to do so.

From Forbes

Electronic racket raisers, says the colonel, "will project high-intensity, variable-pitch sounds, blatting, shrieking noises, etc., in such volume that they will be almost intolerable to the human ear."

From Time Magazine Archive

Even after France nationalized its aviation industry in 1936, he was permitted to keep a small plant at Saint-Cloud, where he turned out variable-pitch propellers until France fell in World War II.

From Time Magazine Archive

In its new Dynaflow transmission, Buick has new, variable-pitch blades that change their angle as the accelerator is pressed to the floor, adding a big extra kick for passing.

From Time Magazine Archive

Newfangled were Designer Fokker's automatic stabilizer, a vertical variable-pitch fin that works like a steerable centre board; and a stainless steel anchor that fits itself into the ship's bottom about 20 feet from the bow.

From Time Magazine Archive