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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.
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.
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]
[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.
When the angle of attack on an airfoil is increasing rapidly, the flow will remain substantially attached to the airfoil to a significantly higher angle of attack than can be achieved in steady-state conditions. As a result, the stall is delayed momentarily and a lift coefficient significantly higher than the steady-state maximum is achieved.
TAF indicates that the following is a terminal aerodrome forecast. This line may also indicate an amended forecast (TAF AMD) or a corrected forecast (TAF COR) [3] KXYZ indicates the airport to which the forecast applies (ICAO airport code). 051730Z indicates that the report was issued on the 5th of the month at 1730 UTC (also known as Zulu ...
Like the earlier 2-0-2, the 4-0-4 was a cantilever monoplane with a standard tail unit (cantilever tailplane and single vertical stabilizer). It had an airstair in the lower tail section for passenger boarding and disembarkation, retractable tricycle landing gear and was powered by two Pratt & Whitney R-2800-CB16 radial piston engines.
[1] [2] [3] The aircraft is made from wood, 4130 steel tubing and covered in doped aircraft fabric. Its 30 ft (9.1 m) span wing employs a NACA 3413 airfoil, has an area of 125 sq ft (11.6 m 2) and is supported by a single strut with a jury strut. The cockpit is 39 in (99 cm) wide and has a baggage compartment with a limit of 70 lb (32 kg ...