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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.
2 Wing broke off during flypast [2] 1952-09-06 1952 Farnborough Airshow DH.110 crash: Farnborough, Hampshire, United Kingdom de Havilland DH.110: Design flaw 31 Leading edge aeroelastic flutter caused the aircraft to breakup and crash into the crowd 1953-02-06 National Airlines Flight 470: Gulf of Mexico: Douglas DC-6: Severe weather 46
1941 Alma-Ata G-2 crash; 1948 Bodaybo Li-2 crash; 1950 Aeroflot Ilyushin Il-12 crash; 1951 Novosibirsk Il-12 crash; 1958 Lazo Il-12 crash; 1970 Batagay An-24 crash; 1977 Tavda mid-air collision; 1982 Sukhumi Dranda Airport runway collision; 1991 Los Angeles runway collision; 2006 O'Hare International Airport runway incursion
The airfoil was a NACA 22 wing section, with a thickness-to-chord ratio of 19.5% at the root tapering to 12% at the tip. [ 19 ] The wing possessed great structural strength, provided plenty of room for fuel tanks and a heavy armament, while allowing the aircraft to be a steady gun platform. [ 20 ]
Supercritical airfoils feature four main benefits: they have a higher drag-divergence Mach number, [21] they develop shock waves farther aft than traditional airfoils, [22] they greatly reduce shock-induced boundary layer separation, and their geometry allows more efficient wing design (e.g., a thicker wing and/or reduced wing sweep, each of which may allow a lighter wing).
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 ...
Seven aircraft were used for the development program, with each one specializing in specific systems or problem. [6] Argus 20710 tested controls and stability, 20711 equipment and environment, 20712 did cold weather testing, 20713 structural tests and demonstrating RCAF requirements, while 20714 was used for weapons testing, and 20715 completed the operational evaluation. [6]