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The M2 machine gun or Browning .50 caliber machine gun is a heavy machine gun designed toward the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, which was chambered for the .30-06 cartridge. The M2 uses the much larger and much more powerful .50 BMG cartridge, which was developed alongside and takes its name from the gun itself. It has been referred to as "Ma Deuce", in reference to its M2 nomenclature. The design has had many specific designations; the official US military designation for the current infantry type is Browning Machine Gun, Cal. .50, M2, HB, Flexible. It is effective against infantry, unarmored or lightly armored vehicles and boats, light fortifications, and low-flying aircraft.
Homebuilt aircraft, also known as amateur-built aircraft or kit planes, are constructed by persons for whom this is not a professional activity. These aircraft may be constructed from "scratch", from plans, or from assembly kits.
Aeros is a Ukrainian aircraft manufacturer founded by a group of ex-Antonov engineers in the early 1990s to build hang gliders.
The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Originally equipped with carburetors, later versions are fuel injected. Dominating the market for small aircraft and kitplanes, Rotax produced its 50,000th 912-series engine in 2014. Originally available only for light sport aircraft, ultralight aircraft, autogyros and drones, the 912-series engine was approved for certified aircraft in 1995.
The Extra EA-500 is a six-seat single-engined high wing turboprop aircraft designed by the Extra Aircraft company. During 2015 a decision was made to end production.
The Rotax 914 is a turbo-charged, four-stroke, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads. It is designed and built by the Austrian company BRP-Powertrain, owned by Bombardier Recreational Products (BRP), as part of its Rotax brand.
The Brditschka HB-3, HB-21 and HB-23 are a family of motor gliders of unorthodox configuration developed in Austria in the early 1970s.
Rumpler-Luftfahrzeugbau GmbH, Rumpler-Werke, usually known simply as Rumpler was a German aircraft and automobile manufacturer founded in Berlin by Austrian engineer Edmund Rumpler in 1909 as Rumpler Luftfahrzeugbau. The firm originally manufactured copies of the Etrich Taube monoplane under the Rumpler Taube trademark, but turned to building reconnaissance biplanes of its own design through the course of the First World War, in addition to a smaller number of fighters and bombers.
The HB Flugtechnik HB-207 Alfa is an Austrian two-seat light training and touring monoplane designed and built by HB Flugtechnik and was made available as a kit for homebuilding.
Corvus Hungary LLC is an aircraft manufacturer that was founded in 2011 to produce the Corvus Fusion aircraft.
The HB-Flugtechnik HB-208 Amigo is an Austrian ultralight aircraft that was designed by Heino Brditschka and produced by HB-Flugtechnik of Ansfelden. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.
The HB-Flugtechnik Dandy is an Austrian ultralight aircraft that was designed by Heino Brditschka and produced by HB-Flugtechnik. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.
Lanitz Aviation is a German aircraft manufacturer based in Leipzig. The company specializes in the design and manufacture of aircraft fabric systems and in particular their Oratex material for model and ultralight aircraft. The company also has developed and produces three ultralight aircraft that were originally produced by British manufacturers Escapade Aircraft and The Light Aircraft Company.
The Ultra-Leicht Flugtechnik Speedy Mouse is a German ultralight aircraft, designed and produced by Ultra-Leicht Flugtechnik of Braunschweig. The aircraft is supplied as a complete ready-to-fly-aircraft.
DTA sarl is a French aircraft manufacturer based in Montélimar. The company specializes in the design and manufacture of ultralight trikes.
St-Just Aviation is a Canadian aircraft manufacturer based in Boucherville, Quebec, a suburb of Montreal. The company specializes in the design and manufacture of aircraft kits for bushplane operations, based on Cessna designs. The company was originally located in Mirabel.
Free Bird Innovations, Inc. is an American aircraft manufacturer based in Detroit Lakes, Minnesota and formed in about 2003. The company specializes in the design and manufacture of ultralight aircraft in the form of plans and kits for amateur construction and ready-to-fly aircraft in the US FAR 103 Ultralight Vehicles category.
The Bilsam Sky Cruiser is a Polish microlight aircraft designed and produced by Bilsam Aviation of Poznań, introduced in the early 2000s. The aircraft is supplied as a complete ready-to-fly-aircraft, as a kit and in the form of plans for amateur construction.
References
- Gunston, Bill (1993). World Encyclopedia of Aircraft Manufacturers. Annapolis: Naval Institute Press. p. 144.
