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Silvercraft SH-4
The Silvercraft SH-4 is an Italian three-seater light helicopter designed and built by Silvercraft SpA. Design and production The Silvercraft SH-4 was the first Italian designed helicopter to gain Italian and FAA certification. The prototype was first flown in October 1963 with development assisted with both financial and technical help from SIAI-Marchetti. The helicopter was a conventional design with two-blade main rotor and tail rotor, a skid landing gear and a high-set tubular corrugated tailboom. It is powered by either a 200 hp (149 kW) or 235 hp (175 kW) Franklin 6A-350 engines which have been flat-rated to 170 hp (127 kW). Some SH-4s were equipped with Lycoming LHIO-360-C1A engines of 205 hp (153 kW). Two aircraft were evaluated by the Italian Air Force. An upgraded development, the SH-200 was developed from the SH-4 but was only flown as a prototype. Operators ; *Italian Air Force , colours = , colo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft/page Content
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1963 In Aviation
This is a list of aviation-related events from 1963: Events * Violating a 1959 requirement that all aircraft operating from the aircraft carrier ''Minas Gerais'' - which never has operated aircraft - belong to the Brazilian Air Force, the Brazilian Navy establishes an air group of its own for the carrier and smuggles aircraft purchased abroad into the country for the air group. Air force reconnaissance aircraft discover the naval carrier aircraft, causing tension between the two services. * The North Vietnamese Air Force and Air Defense Force merge to form a unified Air and Air Defense Force. January * January 2 – The Battle of Ap Bac in South Vietnam is the first time that Viet Cong forces stand and fight against a major South Vietnamese attack. At the outset, Viet Cong ground fire shoots down a United States Army UH-1 attack helicopter and four U.S. Army CH-21 transport helicopters as they arrive at their landing zone. Republic of Vietnam Air Force C-123 Provider transp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIAI-Marchetti
SIAI-Marchetti was an Italian aircraft manufacturer primarily active during the interwar period. History The original company was founded during 1915 as SIAI (''Società Idrovolanti Alta Italia'' - Seaplane Company of Upper Italy). As suggested by its name, the firm initially specialised in the manufacture of seaplanes, the vast majority of which were intended for the Italian armed forces. Perhaps its most prominent early aircraft was the SIAI S.16, a seaplane that had been configured to perform both aerial reconnaissance and bomber roles, but also proved itself quite capable of long-distance flights. During 1925, Italian aviator Francesco de Pinedo of the ''Regia Aeronautica'' (Italian Royal Air Force) used an SIAI S.16''ter'' he named ''Genariello'' for a record-setting flight from Rome to Australia and Tokyo to demonstrate his idea that seaplanes were superior to landplanes for long-distance flights. Having departed Rome on 21 April, Pinedo and his mechanic, Ernesto Campanelli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franklin 6A-350
The Franklin O-335 (company designations variations on 6A and 6V) was an American air-cooled aircraft engine of the 1940s. The engine was of Flat-six engine, six-cylinder, horizontally-opposed layout and Engine displacement, displaced . The power output of later variants was . Design and development These engines were commonly vertically mounted and used to power many early helicopters in the United States. They were closely related to the Franklin 2A4, 2A4 and Franklin 4A4, 4A4 2- and 4-cylinder engines. In various subtypes, the 6A4 remained in continuous production from 1945 to the time Franklin's United States operations ceased in 1975, with versions continuing in Polish production into the 1990s. In 1947 this engine was modified into a water-cooled version by the Preston Tucker, Tucker Car Corporation for use in the 1948 Tucker Sedan. Tucker liked the engine so much that he purchased the Aircooled Motors/Franklin Engine Company, and it remained under the ownership of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lycoming O-360
The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce between 145 and 225 horsepower (109 to 168 kW), with the basic O-360 producing 180 horsepower. The engine family has been installed in thousands of aircraft, including the Cessna 172, Piper Cherokee/Archer, Grumman Tiger, and many home-built types. It has a factory rated time between overhaul (TBO) of 2000 hours or twelve years. O-360 family engines are also widely used in airboats, most notably in the Hurricane Aircats used by the US Army during the Vietnam War. The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2. The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by , developing . Series The O-360 family of engines comprises 167 different models with 12 different prefixes. All have a displa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Italian Air Force
, colours = , colours_label = , march = (Ordinance March of the Air Force) by Alberto Di Miniello , mascot = , anniversaries = 28 March (Air Force Day) , equipment = , equipment_label = , battles = , decorations = , battle_honours = , battle_honours_label = , flying_hours = , website = , commander1 = Generale di squadra Luca Goretti , commander1_label = Chief of Staff of Air Force , notable_commanders = , identification_symbol = , identification_symbol_label = Roundel , identification_symbol_2 = , identification_symbol_2_label = Roundel Low Visibility , aircraft_attack = Panavia Tornado, AMX International AMX , aircraft_bomber ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Franklin O-335
The Franklin O-335 (company designations variations on 6A and 6V) was an American air-cooled aircraft engine of the 1940s. The engine was of six-cylinder, horizontally-opposed layout and displaced . The power output of later variants was . Design and development These engines were commonly vertically mounted and used to power many early helicopters in the United States. They were closely related to the 2A4 and 4A4 2- and 4-cylinder engines. In various subtypes, the 6A4 remained in continuous production from 1945 to the time Franklin's United States operations ceased in 1975, with versions continuing in Polish production into the 1990s. In 1947 this engine was modified into a water-cooled version by the Tucker Car Corporation for use in the 1948 Tucker Sedan. Tucker liked the engine so much that he purchased the Aircooled Motors/Franklin Engine Company The Franklin Engine Company was an American manufacturer of aircraft engines. Its designs were used primarily in the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flat-six
A flat-six engine, also known as a horizontally opposed-six, is a six-cylinder piston engine with three cylinders on each side of a central crankshaft. The most common type of flat-six engine is the boxer-six engine, where each pair of opposed cylinders moves inwards and outwards at the same time. The advantages of the flat-six layout are good engine balance (for reduced vibration), a low center of gravity, short length (compared with an inline-six engine) and being well suited to air-cooling. The disadvantages are a large width (which can limit the maximum steering angle when used in a front-engined car), a large intake manifold being required when a central carburetor is used, and duplication of the inlet and outlet connections for water-cooled engines. The first production flat-six engine was in the 1904 ''Wilson-Pilcher 18/24 HP'' car. The most notable use of flat-six engines is the Porsche 911 sports car, which has used flat-six engines continuously since 1963. Several ot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Effect (aerodynamics)
For fixed-wing aircraft, ground effect is the reduced aerodynamic drag that an aircraft's wings generate when they are close to a fixed surface.. Reduced drag when in ground effect during takeoff can cause the aircraft to "float" while below the recommended climb speed. The pilot can then fly just above the runway while the aircraft accelerates in ground effect until a safe climb speed is reached.. For rotorcraft, ground effect results in less drag on the rotor during hovering close to the ground. At high weights this sometimes allows the rotorcraft to lift off while stationary in ground effect but does not allow it to transition to flight out of ground effect. Helicopter pilots are provided with performance charts which show the limitations for hovering their helicopter in ground effect (IGE) and out of ground effect (OGE). The charts show the added lift benefit produced by ground effect. For fan- and jet-powered vertical take-off and landing (VTOL) aircraft, ground effect when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
