11 relations: Aerodynamics, Aircraft principal axes, Angle of attack, Blohm & Voss BV 141, Counter-rotating propellers, Critical engine, Minimum control speeds, P-value, Propeller (aeronautics), Propeller walk, Thrust.
Aerodynamics
Aerodynamics, from Greek ἀήρ aer (air) + δυναμική (dynamics), is the study of the motion of air, particularly its interaction with a solid object, such as an airplane wing.
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Aircraft principal axes
An aircraft in flight is free to rotate in three dimensions: yaw, nose left or right about an axis running up and down; pitch, nose up or down about an axis running from wing to wing; and roll, rotation about an axis running from nose to tail.
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Angle of attack
In fluid dynamics, angle of attack (AOA, or \alpha (Greek letter alpha)) is the angle between a reference line on a body (often the chord line of an airfoil) and the vector representing the relative motion between the body and the fluid through which it is moving.
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Blohm & Voss BV 141
The Blohm & Voss BV 141 was a World War II German tactical reconnaissance aircraft.
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Counter-rotating propellers
Counter-rotating propellers, also referred to as CRP, found on twin- and multi-engine propeller-driven aircraft, spin in directions opposite one another.
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Critical engine
The critical engine of a multi-engine, fixed-wing aircraft is the engine a failure of which would most adversely affect the performance or handling abilities of an aircraft(§1.1).
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Minimum control speeds
The minimum control speed (VMC) of an aircraft (specifically an airplane) is a V-speed that specifies the calibrated airspeed below which directional or lateral control of the aircraft can no longer be maintained, after the failure of one or more engines.
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P-value
In statistical hypothesis testing, the p-value or probability value or asymptotic significance is the probability for a given statistical model that, when the null hypothesis is true, the statistical summary (such as the sample mean difference between two compared groups) would be the same as or of greater magnitude than the actual observed results.
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Propeller (aeronautics)
An aircraft propeller, or airscrew,Beaumont, R.A.; Aeronautical Engineering, Odhams, 1942, Chapter 13, "Airscrews".
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Propeller walk
Propeller walk is the term for a propeller's tendency to rotate a boat as well as accelerating it forwards or backwards.
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Thrust
Thrust is a reaction force described quantitatively by Newton's third law.
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Asymmetric blade effect, P factor.