reverse pitch

reverse pitch

[ri′vərs ′pich]
(mechanical engineering)
A pitch on a propeller blade producing thrust in the direction opposite to the normal one.

reverse pitch

reverse pitchclick for a larger image
An angle to which the propeller blade may be turned to provide reverse thrust from the propeller. The propeller blades in this case are at a negative angle of attack.
References in periodicals archive ?
Governor Walker took part in a Reverse Pitch for Innovation networking event led by The Water Council, UWM and the MMSD that showcased how Wisconsins water technology resources could be of benefit to Israeli companies.
For proper thumb alignment, Special Olympics bowlers know that forward pitch shifts more of the ball weight onto the thumb whilst having reverse pitch in the thumbhole shifts the weight onto the fingers.
Hillsboro (6-6) had its best opportunity early, scoring on a 65-yard trick play on the game's first play from scrimmage when receiver Trevor Rose took a reverse pitch and threw to a wide-open Travis Walsh.
Reverse pitch kneading elements can be used when a left handed conveying element may be too severe (figure 7).
Flights on the suppressor have a geometry similar to the screw's metering section--but in a reverse pitch.
Reverse pitch screws at certain points can slow down materials to enhance mixing or feeding of new materials.
The tests demonstrated acceptable dynamic blade behavior during transition from forward to reverse pitch, stable fan operation in reverse, and a reverse thrust potential of roughly 20 percent of takeoff thrust over a speed range of 25 to 120 knots.
Governor Walker joined Dean Amhaus, president and CEO of The Water Council, Brett Peters, dean of the College of Engineering and Applied Science at the University of Wisconsin-Milwaukee, and Kevin Shafer, executive director of the Milwaukee Metropolitan Sewerage District, in a Reverse Pitch for Innovation event in Tel Aviv.
The idea of a reverse pitch is that big companies take the stage for 20 minutes to raise a subject of interest to them, for which they could use the help of a start-up.

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