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Sunday, July 19, 2020 | History

2 edition of Flight experience with the Ogee wing at low speed found in the catalog.

Flight experience with the Ogee wing at low speed

Fred J. Drinkwater

Flight experience with the Ogee wing at low speed

by Fred J. Drinkwater

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Published by Agard in Paris .
Written in English


Edition Notes

Presented to the Flight Mechanics Panel of AGARD, Paris, May 10-13, 1966.

Statementby Fred J. Drinkwater and L. Stewart Rolls.
SeriesAgard report -- 538
ContributionsRolls, L. Stewart., Advisory Group for Aerospace Research and Development. Flight Mechanics Panel.
ID Numbers
Open LibraryOL19687391M

International Series of Monographs in Aeronautics and Astronautics, Volume 5: An Introduction to the Longitudinal Static Stability of Low-Speed Aircraft covers the concepts and practical applications of longitudinal static stability and control to the design and flight testing of low-speed aircraft. This book is composed of 11 chapters, and. A Simulation of the Low Speed Handling of the BAC Slender-Wing Research Aircraft By T. WILCOCK Aero Flight, two of these pilots had flight experience of the aircraft. In addition a third pilot familiar with the The aircraft wing is of ogee shape and has an aspect ratio of and a minimum leading edge sweep of 65 °. Fig.

A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds greater than the speed of date, the only SSTs to see regular service have been Concorde and the Tupolev TuThe last passenger flight of the Tu was in June and it was last flown in by de's last commercial flight was in October , . the air pressure above the wing. In contrast, the air flowing below the wing moves in a straighter line, thus its speed and pressure remain about the same. Since high pressure always moves toward low pressure, the air below the wing pushes upward toward the air above the wing. The wing, in the middle, is then “lifted” by the force of the.

  The aspect ratio of the wing (b^2/S) is much smaller, and the span efficiency ratio e is much worse (lower), leading to higher induced drag on these wings. I'm not sure how CL is affected.. at cruise it seems that CL would not need to be as high, due to the high area of the wing (could produce L=W with a smaller CL since L=W=1/2*rho*V^2*S* CL).   We'll do a small local cross country because we don't go very fast in the machine. The youth will be involved in planning a route, and then we'll fly that route. That'll be a neat experience." The students will be flying in an Allegro advanced ultralight aircraft, which is a small basic low-speed aircraft.


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Flight experience with the Ogee wing at low speed by Fred J. Drinkwater Download PDF EPUB FB2

A delta wing is a wing shaped in the form of a triangle. It is named for its similarity in shape to the Greek uppercase letter delta (Δ). Although long studied, it did not find significant applications until the jet age, when it proved suitable for high-speed subsonic and supersonic the other end of the speed scale, the Rogallo flexible wing proved a practical design for the hang.

Flight experience with the Ogee wing at low speed. Responsibility by F.J. Drinkwater III and L.S. Rolls. Imprint Paris, Advisory Group for Aeronautical Research and Development, Physical description 1 v.

Series AGARD report ; Online. Available online At the library. Flight experience with the OGEE wing at low speed. Small propeller turbines compared with other powerplants in low speed flight applications. SACHS; AIAA and Canadian Aeronautics and Space Institute, Joint Meeting August Aircraft Design, Systems and Operations Conference.

07 September - 09 September The low-speed characteristics of a delta-wing aircraft modified to an Ogee plan form were investigated in flight and in the Ames by ~oot Wind Tunnel. The flight results showed the aircraft had good flying qualities with improved lateral-directional control characteristics.

The flight characteris-Cited by: 7. Flight experience with the OGEE wing at low speed. Flight experience with Ogee wing at low spee Topics: AIRCRAFT.

Year: OAI identifier: oai: Provided by: NASA Technical Reports Author: L. Rolls and III F. Drinkwater. Low-speed testing of the concept was already being provided by the Handley Page HP Although high-speed performance appeared to be predictable, a dedicated testbed aircraft was desired, especially for drag measurements.

As early asthe RAE and Fairey began discussions about converting one of the Delta 2 prototypes to support the ogee.

Flight measured ground effects on a low-aspect-ratio Ogee wing including a comparison with windtunnel results. NASA TN D A method for in-flight measurement of ground effect on fixed-wing.

Summary of Low-Speed Airfoil Data is only the first in what should be a series of volumes that document the ongoing low Reynolds number airfoil tests at the University of Illinois at Urbana-Champaign. In this volume, the airfoils tested cover a broad spectrum that includes airfoils for free flight model aircraft, heavy.

American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Summary of Low-Speed Airfoil Data, Volume 2 is the second book in the se­ ries that documents the ongoing work of the University of Illinois at Urbana­ Champaign Low-Speed Airfoil Tests (UIUC LSATs) program.

As described in the first volume, most of the airfoils are intended primarily for model aircraft. In book: The Proceedings of the Asia-Pacific International Symposium on Aerospace Technology (APISAT ), pp Flight experience with the OGEE wing at low speed.

it possible. Aircraft design always involves tradeoffs and high wing loading is no exception—it comes at the expense of a higher stall speed and longer takeoff and landing distances. To curb these negative effects, high lift devices such as flaps create a more bird-like wing shape for better low-speed flight characteristics in the landing phase.

Due to the extremely low aspect ratio of the wing, the B.A.C. will be exposed to the well known difficulties of flight below minimum drag speed over a substantial part of the low speed range. In Fig. 3 the speed stability time constant is plotted against speed for this aircraft and for.

This is a collection of Ray Prouty's columns from Rotor and Wing magazine from to 27 Low Speed Flight. 28 Turns Pullups and Pushovers. 29 Sideslip And Bank 32 Flight In Turbulent Air. 33 Angle Limitations. 34 Coping with a Power Failure. 35 Low Speed Power Failures. 36 Stretching the Glide.

5/5(1). The high wing/low wing arguments, much as Chevy/Ford or John Deere/New Holland deliberations will probably only get resolved in the minds of their particular protagonists. In the end for the pilot, just like the difference in oral versus the “other” thermometers, it may just come down to a matter of taste.

The exceptions to this are low-wing jet aircraft with under-wing mounted engines like most large transports today. The low thrust line (below the cg) creates a pitching moment with thrust changes very similar to prop aircraft.

Pusher props and/or canards are different. This allows it the benefit of high lift for low speed operations and low drag when flying at its design speed of Mach The fuel savings are significant compared to the Concorde.

It could carry passengers from Los Angeles to Tokyo in half the time as a and only burn slightly more fuel ("Fuselage-Free" 20).

Aircraft speed. Fast airplanes sometimes need to limit lift by flying at a slightly negative angle of attack.

Wing camber and incidence. High camber means high lift already at zero angle of attack. Extreme cases like the B need to fly with a visible nose-down attitude when flying low and fast or when the high lift devices are deployed. To illustrate the altitude–Mach number flight envelope, consider the McDonnell-Douglas A4-D Skyhawk and its possible deployment in a ground attack role.

The service flight envelope for the aircraft was obtained from Teper () and is shown in Fig. Assuming that this aircraft is to be procured by the Royal Air Force, it must meet the operational flight envelope requirement. For those times and for the other times where the angle of attack is lower than we had intended, having a good understanding of the low speed flight regime is vital.

Stalls We tend to think of the stall as the point the wing simply runs out of speed and the nose drops predictably to. But Aeronca also manufactured a low-wing airplane, which by now has nearly faded into obscurity.

Of 65 low-wings produced in andfewer than 10 are believed to have survived. With kudos to several key players through time, the only Aeronca LB known to be currently flying was at EAA AirVenture Oshkosh airspeeds. High speed flight requires smaller wing areas and moderately cambered airfoils whereas low speed flight is obtained with airfoils with a greater camber and larger wing area.

[Figure ] Many compromises are often made by designers to provide for higher speed cruise flight and low speeds for landing. Flaps are a common design effort to.of the local flaw phenomenon, a reduction of the peak velocity, or vortex strength, would reduce this very annoying impulsive noise during low-speed flight.

Attempts to reduce the peak velocities in wing-tip vortices have concen- trated on inhibiting the formation of the vortex or causing early instability in the vortex after formation by wing-tip alterations.