spiraling slipstream

An airflow generated by the propeller flowing over the aircraft fuselage aft of the propeller in the form of a spiral, causing it to yaw and roll in one direction. As the airplane propeller rotates through the air in a clockwise direction, as viewed from the rear of the airplane, the propeller forces the air rearward in the spiraling clockwise direction of flow around the fuselage. A portion of this spiraling airflow strikes the left side of the vertical stabilizer, forcing the airplane tail to the right and the nose to the left, and the horizontal stabilizer and wings, causing a roll to the right.

Aviation dictionary. 2014.

Look at other dictionaries:

  • Slipstream — A slipstream is a region of reduced pressure produced behind an object as it moves through a fluid medium (usually air) or as that medium moves around an object. It is caused because the progress of the object forces the particles of the medium… …   Wikipedia

  • slipstream — The stream of air forced backward over the fuselage, tail units, and other parts of an airplane by a propeller. See spiraling slipstream …   Aviation dictionary

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