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TAF VIII-2, four-seater Tandem Airfoil Flairboat Typ Jörg II, built in 1983. Following the F&E and test period, Dipl. Ing. Günther Jörg was awarded with the "Phillip Morris Scientific Award" for the Transportation System for the future. Another TAF VIII-2, built in 1994 was given to a Japanese private citizen.
Ekranoplan A-90 Orlyonok. A ground-effect vehicle (GEV), also called a wing-in-ground-effect (WIGE or WIG), ground-effect craft/machine (GEM), wingship, flarecraft, surface effect vehicle or ekranoplan (Russian: экранопла́н – "screenglider"), is a vehicle that is able to move over the surface by gaining support from the reactions of the air against the surface of the earth or water.
His book, The Elements of Aerofoil and Airscrew Theory was the single most important instrument for spreading airfoil and wing theory around the English speaking world. Glauert independently developed Prandtl-Glauert method from the then-existing aerodynamic theory and published his results in The Proceedings of the Royal Society in 1928.
All the tail surfaces had the same airfoil (flat), planform (minor difference with different tailwheels), washout (none), distance from the wing and incidence to the fuselage. [ citation needed ] The initial model Lazair was a single-seater with a 36.3-foot (11.1 m) wingspan and was powered by two 5.5 hp 100 cc Pioneer chainsaw engines ...
The airfoil is a unique design, which the XL2 shares with its predecessor the Europa. This is a Don Dykins airfoil, designated as a "Dykins 12%", because the wing's maximum thickness is 12% of the chord. The airfoil is a semi-symmetrical, laminar-flow design. The stall warning system is a voice annunciator that says "stall, stall". [4]
The Kline–Fogleman airfoil or KF airfoil is a simple airfoil design with single or multiple steps along the length of the wing. The purpose of the step, it is claimed, is to allow some of the displaced air to fall into a pocket behind the step and become part of the airfoil shape as a trapped vortex or vortex attachment.
The results of high level bombing tests carried out at Boscombe Down at an altitude of 10,000 ft (3,000 m) and an airspeed of 238 mph (383 km/h) showed that the Beaufort was, in the words of the test pilot, "an exceptionally poor bombing platform, being subject to an excessive and continuous roll, which made determination of drift particularly ...
The Handley Page HP.115 was an experimental delta wing aircraft designed and produced by the British aircraft manufacturer Handley Page.It was built to test the low-speed handling characteristics to be expected from the slender delta configuration anticipated for a future supersonic airliner.