GB714849A - Improvements relating to aircraft - Google Patents

Improvements relating to aircraft

Info

Publication number
GB714849A
GB714849A GB16247/51A GB1624751A GB714849A GB 714849 A GB714849 A GB 714849A GB 16247/51 A GB16247/51 A GB 16247/51A GB 1624751 A GB1624751 A GB 1624751A GB 714849 A GB714849 A GB 714849A
Authority
GB
United Kingdom
Prior art keywords
lever
wing
bars
flight
bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB16247/51A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fairey Aviation Co Ltd
Original Assignee
Fairey Aviation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fairey Aviation Co Ltd filed Critical Fairey Aviation Co Ltd
Priority to GB16247/51A priority Critical patent/GB714849A/en
Publication of GB714849A publication Critical patent/GB714849A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/04—Influencing air flow over aircraft surfaces, not otherwise provided for by generating shock waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction

Abstract

714,849. Aircraft wings. FAIREY AVIATION CO., Ltd., and PRIBRAM, E. July'4, 1952 [July 9, 1951], No. 16247/51. Class 4 An aircraft designed for flight at supersonic speeds includes a main wing provided with a bar which extends throughout the length of the wing in a direction generally transverse to the direction of flight and which is narrow compared with the wing in the direction of flight, and means arranged to support the bar in a position spaced from the adjacent wing surface and clear of the boundary layer for the wing at any speed in the transonic range. The wing B of Fig. 2 has a bar D on its upper surface at about the position of maximum wing thickness, and a bar E on its lower surface slightly aft of this position. The bars are retracted and extended by a plurality of hydraulic jacks D<SP>2</SP> and E<SP>2</SP>, operated by pipes G and H. The controls are shown in Figs. 4 and 6, the lever N at all times operating valve K by linkage K<SP>1</SP>, K<SP>2</SP> to control the bars. The lever P<SP>1</SP> mounted on shaft P inside collar N<SP>2</SP> fast to lever N controls the valve M through linkage M<SP>1</SP>, M<SP>2</SP>, and is adapted to put a trim on the elevators by hydraulic pipes L<SP>1</SP> and L<SP>2</SP>. R is an abutment fixed to the aircraft. At substonic speeds, lever N is in the position of lever P<SP>1</SP> shown in Fig. 4, and lever P<SP>1</SP> is vertical. When about to pass through the transonic region, the pilot extends the bars by moving lever N to the vertical, initiating strong stable shock waves on the wing. The plunger N<SP>3</SP> attached to handle N<SP>4</SP> is now aligned with the bore P<SP>2</SP> in shaft P. Handle N<SP>4</SP> is depressed so that plunger N<SP>3</SP> enters bore P<SP>2</SP>, and is twisted so that lug N<SP>5</SP> is locked behind lug N<SP>6</SP>, locking the levers together. When the supersonic range is reached, both levers are moved to the position of lever P<SP>1</SP> in Fig. 4, retracting the bars, and giving the elevators a permanent set suitable for supersonic flight. In this position, abutment R moves lug N<SP>5</SP> to be free from lug N<SP>6</SP>, and plunger N<SP>3</SP> is pushed out of bore P<SP>2</SP> by spring P<SP>4</SP>, freeing the levers from each other. The reverse operation takes place when reverting to subsonic speeds.
GB16247/51A 1951-07-09 1951-07-09 Improvements relating to aircraft Expired GB714849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB16247/51A GB714849A (en) 1951-07-09 1951-07-09 Improvements relating to aircraft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB16247/51A GB714849A (en) 1951-07-09 1951-07-09 Improvements relating to aircraft

Publications (1)

Publication Number Publication Date
GB714849A true GB714849A (en) 1954-09-01

Family

ID=10073857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16247/51A Expired GB714849A (en) 1951-07-09 1951-07-09 Improvements relating to aircraft

Country Status (1)

Country Link
GB (1) GB714849A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117995A (en) * 1977-02-28 1978-10-03 Runge Thomas M Aircraft wing lift augmentation device
US4706910A (en) * 1984-12-27 1987-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Combined riblet and lebu drag reduction system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117995A (en) * 1977-02-28 1978-10-03 Runge Thomas M Aircraft wing lift augmentation device
US4706910A (en) * 1984-12-27 1987-11-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Combined riblet and lebu drag reduction system

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