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Dynali H2S
The Dynali H2S is a Belgian helicopter, designed by Jacky Tonet and produced by Dynali of the Thines district of Nivelles. When it was available the aircraft was supplied as a kit for amateur constructionBayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 190. WDLA UK, Lancaster UK, 2011. or fully assembled, supplied ready-to-fly. By December 2017 the design was no longer advertised on the company website and production has most likely ended. Design and development The H2S was designed to comply with the amateur-built aircraft rules, but a light-sport aircraft category version, the Dynali H3, is also being developed. It features a single main rotor, a two-seats-in side-by-side configuration enclosed cockpit with a windshield, skid-type landing gear and a four-cylinder, liquid cooled four-stroke, Subaru EJ25 automotive conversion engine. The aircraft fuselage is made from a combination of aluminium tubing and welded stainless st ...
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WikiProject Aircraft
A WikiProject, or Wikiproject, is a Wikimedia movement affinity group for contributors with shared goals. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within sister projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by '' Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outside organizations relevant to the field at issue. For e ...
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Stainless Steel
Stainless steel is an alloy of iron that is resistant to rusting and corrosion. It contains at least 11% chromium and may contain elements such as carbon, other nonmetals and metals to obtain other desired properties. Stainless steel's corrosion resistance, resistance to corrosion results from the chromium, which forms a Passivation (chemistry), passive film that can protect the material and self-healing material, self-heal in the presence of oxygen. The alloy's properties, such as luster and resistance to corrosion, are useful in many applications. Stainless steel can be rolled into Sheet metal, sheets, plates, bars, wire, and tubing. These can be used in cookware, cutlery, surgical instruments, major appliances, vehicles, construction material in large buildings, industrial equipment (e.g., in paper mills, chemical plants, water treatment), and storage tanks and tankers for chemicals and food products. The biological cleanability of stainless steel is superior to both alumi ...
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Heli-Sport CH-7
The Cicaré CH-7 and Heli-Sport CH7 are a series of ultralight, kit-built helicopters based on a single-seat Argentinian design from the late 1980s. It was later developed into a tandem two-seater, and remains in production. Design and development In 1989 EliSport, which became Heli-Sport in 1997, bought the rights to the Cicare CH-6, a small single-seat open cockpit helicopter designed in Argentina by Augusto Cicaré. It was developed by Josi and Claudio Barbero and, with the help of the sports car designer, Marcello Gandini who produced a new, enclosed cabin, marketed from 1992 as the CH-7 Angel. Its commercial success led to a tandem two-seat version with a stretched cabin and bigger engine, named the CH-7 Kompress and, in 2005, a further refinement designated the CH-7 Kompress Charlie. The piston engine-powered CH-7 ultralight series use the traditional "penny-farthing" layout with two-bladed main and tail rotors. The main rotor is formed from composites and is a tee ...
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Famà Kiss 209
The Famà Kiss 209M is an Italian ultralight two-seat helicopter, built from composite materials around a steel frame and with an optional retractable undercarriage. The moniker "Kiss" stands for "keep it stupidly simple", reflecting the philosophy of its designer, Nino Famà. Design and development The Kiss 209M is a single rotor, conventionally laid out helicopter seating two side-by-side. The design targets were low cost and easy maintenance, combined with a comfortable cabin and good performance. The centre section and the high-set tail boom are tube steel structures, clad in carbon fibre. The cabin shell is also carbon fibre and bolts to the central frame. The 120 kW (160 hp) Solar T62 turboshaft engine is supported above the cabin roof and tail line, partly exposed, driving twin blade main and tail rotors. The latter is accompanied at the extreme tail by a fin/underfin pair, both swept and slender. A narrow pair of tailplanes is located forward of the tail rot ...
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DF Helicopters DF334
The DF Helicopters DF334 is a two-seat, single-engine light utility helicopter in development by Dragon Fly Helicopters in Northern Italy. The DF 334 is a development of the Dragon Fly 333, developed by archaeologists and filmmakers Angelo and Alfredo Castiglioni in the 1980s. The DF334 has a larger, full composite cabin, a Rotax 914 4-stroke turbocharged engine, a governor fuel control, and an advanced Electronic Flight Instrument System. The helicopter is intended for both amateur and professional pilots. DF Helicopters was acquired in 2010 by the Swiss Avio International Swiss may refer to: * the adjectival form of Switzerland *Swiss people Places * Swiss, Missouri *Swiss, North Carolina * Swiss, West Virginia *Swiss, Wisconsin Other uses * Swiss-system tournament, in various games and sports *Swiss Internationa ... Group. Specifications See also References * * * External links Avio International {{Portal bar, Italy, Companies, Aviation 1980s Italia ...
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Alpi Syton AH 130
The Alpi Syton AH 130 is an Italian helicopter that was developed from the RotorWay Exec and is produced by Alpi Aviation of Pordenone.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 189. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X Design and development The RotorWay Exec was developed into a turbine-powered version in 1996 by AvioTecnica of Italy and marketed as the AvioTecnica ES-101 Raven. In 2008 the Raven design was acquired by Alpi and further developed. The AH 130 externally resembles the RotorWay Exec. It features a single main rotor, a two-seats-in side-by-side configuration enclosed cockpit, skid-type landing gear and a Solar T62 auxiliary power unit employed as a turboshaft engine. Its diameter two-bladed rotor has a chord of . The aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload is . Specifications References External links Official website
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Aerokopter AK1-3 Sanka
The Aerokopter AK1-3 is a Ukrainian helicopter, designed and produced by Aerokopter (also spelled "Aerocopter") of Kharkiv. The aircraft is supplied as complete ready-to-fly-aircraft. Some sources refer to the AK1-3 as the ''Sanka'' or ''San'ka'' while others do not. Design and development The AK1-3 was designed to comply with the Ukrainian AP-27 rules, which are similar to the European Aviation Safety Agency CS-27 standard. The aircraft features a single main rotor with a tail rotor, a two-seats-in side-by-side configuration enclosed cockpit, skid-type landing gear and a four-cylinder, air-cooled, four-stroke, Subaru EJ25 automotive engine. The aircraft's diameter three-bladed Starflex rotor has a chord of and employs a unique torsion bar blade mounting that allows blade movement to produce pitch angle changes, flapping, as well as lead and lag. The main transmission consists of belt drives, with the tail rotor driven by a solid shaft. The aircraft has an empty weight of an ...
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Rotax 914
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.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', pages 242-243. WDLA UK, Lancaster UK, 2011. Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 260-261. Flying Pages Europe SARL, 2015. The engine commonly powers certified light aircraft, homebuilt aircraft, autogyros and military UAVs such as the MQ-1 Predator. Design and development Introduced in 1996, the Rotax 914 is a turbocharged development of the Rotax 912. The Rotax 914 has a turbocharger with an automatic wastegate controller and dual carburettors. It features dual capacitor discharge ignition, liquid-cooled cylinder heads and air-cooled cylinde ...
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Turbocharger
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to produce more power for a given displacement.
The current categorisation is that a turbocharger is powered by the kinetic energy of the exhaust gasses, whereas a supercharger is mechanically powered (usually by a belt from the engine's crankshaft). However, up until the mid-20th century, a turbocharger was called a "turbosupercharger" and was considered a type of supercharger.


History

Prior to the invention of the turbocharger,

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Rotax 912
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. Design and development The Rotax 912 was first sold in 1989 in non- certificated form for use in ultralights and motorgliders. The original 912 UL engine has a capacity of and a compression ratio of 9.1:1. The engine differs from previous generation aircraft engines (such as the Lycoming O-235) in that it has air-cooled cylinders with liquid-cooled heads and uses a 2.43:1 PSRU reduction gearbox to reduce the engine's relatively high 5 ...
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Dual Ignition
Dual Ignition is a system for spark-ignition engines, whereby critical ignition components, such as spark plugs and magnetos, are duplicated. Dual ignition is most commonly employed on aero engines,Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 177. Aviation Supplies & Academics, 1997. Aviation Publishers Co. Limited, ''From the Ground Up'', (27th revised edition), page 67, and is sometimes found on cars and motorcycles. Dual ignition provides two advantages: redundancy in the event of in-flight failure of one ignition system; and more efficient burning of the fuel-air mixture within the combustion chamber. In aircraft and gasoline-powered fire fighting equipment, redundancy is the prime consideration, but in other vehicles the main targets are efficient combustion and meeting emission law requirements. Efficiency A dual ignition system will typically provide that each cylinder has twin spark plugs, and that the engine will have at least two ignition ...
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Dynali H3 EasyFlyer
The Dynali H3 EasyFlyer, now known as the Sport, is a Belgian helicopter designed and produced by the Dynali of the Thines district of Nivelles. The aircraft is supplied complete and ready-to-fly-aircraft or as a kit for amateur construction.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 206. Flying Pages Europe SARL, 2015. Design and development The H3 was designed for the flight training, utility and personal-use roles. It was designed to comply with the European Class 6 microlight helicopter rules, in particular the French Class 6 Microlight Category, at a gross weight of . It features a single main rotor and tail rotor, a two-seats-in side-by-side configuration enclosed cockpit with a bubble canopy, skid landing gear and a four-cylinder, liquid and air-cooled, four stroke Rotax 912ULS engine, a Dynali-developed fuel-injected conversion Rotax 912ULS-1 engine or a turbocharged Rotax 914 powerplant. The aircraft's gross weight v ...
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