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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.
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 ailerons themselves are also mass balanced in the longer-span versions, with up to 1.5 kg of lead added to the leading edges of each control surface. The elevator and rudder are 100% mass balanced. Sealing: all control gaps as well as the control runs inside the wings are fully sealed. The ailerons are sealed by internal Teflon boots.
When an airfoil moves relative to the air, it generates an aerodynamic force determined by the velocity of relative motion, and the angle of attack. This aerodynamic force is commonly resolved into two components , both acting through the center of pressure : [ 3 ] : 14 [ 1 ] : § 5.3
The airfoil was tested on a Vector 600 ultralight. The KF airfoil has been applied to the Darrieus wind turbine using a trapped vortex. Experiments have found the KF rotor demonstrates a higher static and dynamic torque with low Reynolds applications and better performance for wind conditions lower than 0.8 m/s [clarification needed]. It is ...
No. 83 Group was re-formed on 9 July 1952 within the Second Tactical Air Force in Germany to control its southern area. By 1956, the group controlled five wings with a total of fourteen squadrons equipped with Hawker Hunter day fighters, de Havilland Venom fighter-bombers, Supermarine Swift fighter-reconnaissance aircraft, Gloster Meteor night ...
[1] [2] [3] The Glasair II was designed to FAR Part 23 standards and was extensively tested. Its wing has been tested to +10.5g. As indicated by its name, the aircraft is made from fiberglass. Its 23.3 ft (7.1 m) span wing employs a NASA GA(W)-2 airfoil. The wings have an area of 81.3 sq ft (7.55 m 2) and mount flaps.