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The Kline–Fogleman airfoil or KF airfoil is a simple airfoil design with single or multiple steps along the length of the wing. It was originally devised in the 1960s for paper airplanes. In the 21st century the KF airfoil has found renewed interest among hobbyist builders of radio-controlled aircraft, due to its simplicity of construction. [1]
The KAI KF-21 Boramae (formerly known as KF-X) is a South Korean-led fighter aircraft development program with the goal of producing an advanced multirole fighter for the South Korean and Indonesian air forces.
The aerodynamic center of an airfoil is usually close to 25% of the chord behind the leading edge of the airfoil. When making tests on a model airfoil, such as in a wind-tunnel, if the force sensor is not aligned with the quarter-chord of the airfoil, but offset by a distance x, the pitching moment about the quarter-chord point, / is given by
T-50 Golden Eagle on a squadron flight. The T-50 program was originally intended to develop an indigenous trainer aircraft capable of supersonic flight, to train and prepare pilots for the KF-16 and F-15K, replacing trainers such as T-38 and A-37 that were then in service with the ROKAF. [5]
The Korea Aerospace Industries (KAI) KF-21 Boramae (Northern Goshawk) is a multi-role 4.5 generation fighter built By Korean KAI and Indonesian PT DI. It will have capabilities in between the light FA-50 fighter and the high-grade, long-range, heavy payload F-15K and F-35 Lightning II. [13] [14]
The SCAMP design team in late 1977, starting left: Harry Hillaker, Andrew Lewis, Kenny Barnes, Jim Gordon. Shortly after winning the lightweight fighter program, General Dynamics Fort Worth began investigating possible F-16 derivatives with the goal of enhancing both air-to-air and air-to-ground mission capabilities while retaining parts commonality with the F-16A. [1]
1 Kline Fogleman airfoil. 1 comment. 2 Re-ordered article to make it more balanced. 1 comment. 3 Reinstate KFm family image. 19 comments. 4 Requested move. 3 comments.
The Convair CV-240 is an American airliner that Convair manufactured from 1947 to 1954, initially as a possible replacement for the ubiquitous Douglas DC-3.Featuring a more modern design with cabin pressurization, the 240 series made some inroads as a commercial airliner, and had a long development cycle that produced various civil and military variants.