Browsing by Author "W. J. G. Pinsker"

The aerodynamic effect of ground proximity on lateral control of slender aircraft in the landing approach

W. J. G. Pinsker (1971)

Aileron control of small-aspect-ratio aircraft; in particular, delta aircraft

W. J. G. Pinsker (1953)

The aerodynamic and inertia characteristics associated with small-aspect-ratio wings are shown to affect aileron control, causing a tendency towards excessive aileron power combined with poor initial response. Simple ...

Charts of peak amplitudes in incidence and sideslip in rolling manoeuvres due to inertia cross coupling

W. J. G. Pinsker (1958)

Based on a series of systematic analogue computations, charts are given for the determination of peak amplitudes in incidence and sideslip for a general family of rolling and rolling pull-out manoeuvres of aircraft subject ...

The control characteristics of aircraft employing direct-lift control

W. J. G. Pinsker (1968)

Summary. The theory is developed for the control characteristics of aircraft in which direct lift is commanded directly by the pilots\\' stick. Basic requirements are established for acceptable response characteristics; ...

Control surfaces restrained by viscous friction as a means of damping aircraft oscillations

W. J. G. Pinsker (1953)

A method is described of controlling the phase of the free motion of control surfaces by viscous friction and geared masses. Substantial improvements in the damping of aircraft oscillations can be achieved if such devices ...

Critical flight conditions and loads resulting from inertia cross-coupling and aerodynamic stability deficiencies

W. J. G. Pinsker (1958)

The dynamics of aircraft rotation and lift-off and its implication for tail clearance requirements, especially with large aircraft

W. J. G. Pinsker (1967)

Ground clearance requirements are considered in relation to take-off, treating lift-off as a dynamic manoeuvre. It is shown that ground clearance is defined by conditions about one to two seconds after lift-off. Simple ...

The effect of variations in local gravity and of aircraft speed on the effective weight of aircraft in high performance cruise

W. J. G. Pinsker (1969)

Numerical data are given of the changes in effective gravity experienced by aircraft in flight at various heights and speeds. In most flight conditions this results in a reduction in the effective weight experienced by ...

Flight tests on a Vampire Mk. 5 with a redesigned anti-snaking rudder

W. J. G. Pinsker (1954)

A specially designed rudder has been fitted to a Vampire Mk. 5 to act as an aerodynamic yaw damper. Flight tests show that the damping of the lateral oscillation has been substantially increased in consequence a logarithmic ...

Flying qualities of aircraft with actively augmented pitch and yaw stability

W. J. G. Pinsker (1979)

Ignoring the dynamics of the automatic control loop hardware, the effects have been studied on rigid body mode stability, gust response and pilotVs control of aircraft in which relaxed longitudinal or directional stability ...

A form of lateral instability of lifting free-flight models towed by a helicopter

W. J. G. Pinsker (1968)

Free-flight models suspended by cable from a helicopter have been observed to experience unstable lateral pendular oscillations when towed above a certain speed. A simplified mathematical model of this configuration, ...

Glide-path stability of an aircraft under speed constraint

W. J. G. Pinsker (1971)

The motion of an aircraft operating under perfect speed constraint (e.g. by an appropriate autothrottle) is examined theoretically and it is shown that, if engine thrust acts through the aircraft centre of gravity, the ...

The landing flare of large transport aircraft

W. J. G. Pinsker (1967)

Summary. The factors are considered which influence the landing flare, especially of large aircraft. The height required for the flare is a function of the performance and the dynamic response characteristics of an aircraft ...

The lateral motion of aircraft, and in particular of inertially slender configurations

W. J. G. Pinsker (1961)

The kinematic and dynamic characteristics of the lateral motion of aircraft are described and reduced to simple models. After a review of the typical lateral modes of traditional aircraft configurations it is shown that ...

A note on the dynamic stability of aircraft at high-subsonic speeds when considering unsteady flow

W. J. G. Pinsker (1950)

The effect of an increase in speed relative to the speed of sound on the unsteady flow round a harmonically oscillating aerofoil, is to increase the lag of the aerodynamic forces and moments behind the deflection when the ...

Possible losses in airspeed during turning manoeuvres in gusty air

W. J. G. Pinsker; J. G. Jones (1970)

It is normally assumed that the direction in which a body of turbulent air is traversed in flight is not significant in relation to the aircraft, and that this is also true in non-rectilinear flight. In this report it is ...

Preliminary note on the effect of inertia cross-coupling on aircraft response in rolling manoeuvres

W. J. G. Pinsker (1959)

A semi-empirical method for estimating the rotary rolling moment derivatives of swept and slender wings

W. J. G. Pinsker (1960)

Some observations on manoeuvre stability and longitudinal control

W. J. G. Pinsker (1972)

Some of the more important practical implications to pilot's control, flight test analysis, and stability augmentor performance of classical longitudinal stability theory are discussed. The distinction between turns and ...

The Static and Dynamic Response Properties of Incidence Vanes with Aerodynamic and Internal Viscous Damping

W. J. G. Pinsker (1963)

The various contributions to the static position error of practical incidence vanes are briefly reviewed. The dynamic response of a windvane is shown to depend critically on the aerodynamic damping and viscous friction ...

Browsing by Author "W. J. G. Pinsker"

Browsing by Author "W. J. G. Pinsker"

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