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Frog was a well-known British brand of flying model aircraft and scale model construction kits from the 1930s to the 1970s. The company's first model, an Interceptor Mk. 4, was launched in 1932, followed in 1936 by a range of 1:72 scale model aircraft kits made from cellulose acetate , which were the world's first.
Meikraft Models (USA) - ceased production of limited run plastic kits, later kits of are of very good quality; Meng Model (China) Merit (UK) - ceased production of plastic model aircraft sometime in the late 1950s; Merit International (USA) Merlin Model (UK) MGD Models (Czech Republic) Micro Ace (Japan) - ex-Arii; Micro Scale Design (Russia ...
Pages in category "Model aircraft" The following 41 pages are in this category, out of 41 total. ... Free flight (model aircraft) Frog (models) G. Glow plug (model ...
Most powered model-aircraft, including electric, internal-combustion, and rubber-band powered models, generate thrust by spinning an airscrew. The propeller is the most commonly used device. Propellers generate thrust due to lift generated by the wing-like sections of the blades, which forces air backward.
A detailed aluminum model aircraft might include a detailed fuselage and cockpit, retractable landing gear, and markings that closely mirror the original aircraft. [15] Additionally, models may be designed with functional features such as hinged access panels, folding wings , retractable landing gears , and activated control surfaces .
For foot-launched aircraft, it is known as hang gliding and paragliding. Radio-controlled gliders with fixed wings are also soared by enthusiasts. In addition to motor gliders, some powered aircraft are designed for routine glides during part of their flight; usually when landing after a period of a powered flight. These include:
The wing section is an 18% thickness ratio, much thicker than the typical 12-15% thickness of normal light aircraft wings. At least one commercial model airplane kit of the Facetmobile is in production. [3] The prototype FMX-4 Facetmobile crashed on October 13, 1994, after an in-flight engine failure.
Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object. [1] The exact range of speeds depends on the object's critical Mach number, but transonic flow is seen at flight speeds close to the speed of sound (343 m/s at sea level), typically between Mach 0.8 and 1.2.