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Doman LZ-4
__NOTOC__ The Doman LZ-4 was an American eight-seat helicopter designed and developed by Doman Helicopters of Danbury, Connecticut Danbury ( ) is a city in Fairfield County, Connecticut, United States, located approximately northeast of New York City. Danbury's population as of 2020 was 86,518. It is the third-largest city in Western Connecticut, and the seventh-largest .... Design and development Following the test flying of the Doman LZ-2A, Doman Helicopters developed an eight-seat helicopter with the designation LZ-4. The fuselage had 3 rows of double seats in the main cabin and a two-crew flight deck in the front. Large folding doors allowed for loading bulky cargo into the main compartment. The tail boom was conventional with a cranked-up rear section mounting a tail rotor, and the helicopter was supported by a four-leg undercarriage.R.Simpson "Airlife's Helicopter and Rotorcraft", 1998 Specifications (LZ-4) References {{Doman aircraft 1940s United States exp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Experimental Aircraft
An experimental aircraft is an aircraft intended for testing new aerospace technologies and design concepts. The term ''research aircraft'' or '' testbed aircraft'', by contrast, generally denotes aircraft modified to perform scientific studies, such as weather research or geophysical surveying, similar to a research vessel. The term "experimental aircraft" also has specific legal meaning in Australia, the United States and some other countries; usually used to refer to aircraft flown with an experimental certificate. In the United States, this also includes most homebuilt aircraft, many of which are based on conventional designs and hence are experimental only in name because of certain restrictions in operation. , US Federal Aviation Administration. Retrieved 2018-01-12 < ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicopter
A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of short take-off and landing (STOL) or short take-off and vertical landing (STOVL) aircraft cannot perform without a runway. The Focke-Wulf Fw 61 was the first successful, practical, and fully controllable helicopter in 1936, while in 1942, the Sikorsky R-4 became the first helicopter to reach full-scale mass production, production. Starting in 1939 and through 1943, Igor Sikorsky worked on the development of the Vought-Sikorsky VS-300, VS-300, which over four iterations, became the basis for modern helicopters with a single main rotor and a single tail rotor. Although most earlier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States asserts sovereignty over five Territories of the United States, major island territories and United States Minor Outlying Islands, various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's List of countries and dependencies by area, third-largest land area and List of countries and dependencies by population, third-largest population, exceeding 340 million. Its three Metropolitan statistical areas by population, largest metropolitan areas are New York metropolitan area, New York, Greater Los Angeles, Los Angel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doman Helicopters Inc
Doman may refer to: *Doman (surname) *Doman (river), Caraș-Severin County, Romania *Doman, a village in Reșița city, Caraș-Severin County, Romania *Doman Helicopters, an American helicopter manufacturing company *Doman (Khoikhoi) (died 1663), a Khoikhoi leader in the First Khoikhoi-Dutch War *George Doman, a hip-hop artist and disability advocate from United States. See also *Doman Scandal William Richards Bennett, (April 14, 1932 – December 3, 2015) was a Canadian politician who was the 27th premier of British Columbia from 1975 to 1986. Early life Bennett was the son of Annie Elizabeth May (Richards) and former premier W. ..., a Canadian political scandal * Daman (other) {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doman LZ-2A Pelican
__NOTOC__ The Doman LZ-2A Pelican was an American five-seat helicopter designed and developed by Doman Helicopters of Danbury, Connecticut. Design and development Following the test flying of a Doman-designed rotor on a modified Sikorsky R-6 The Sikorsky R-6 is an American light two-seat helicopter of the 1940s. In Royal Air Force and Royal Navy service, it was named the Hoverfly II. Development The R-6/Hoverfly II was developed to improve on the successful Sikorsky R-4. In order t ... (designated the LZ-1A by Doman) the company developed a five-seat helicopter to use the rotor. Little information is available on the LZ-2A other than it was developed into the larger eight-seat Doman LZ-4, the LZ-4 was the first helicopter designed completely by the company which indicates that the LZ-2A was perhaps a further development of the Sikorsky-based LZ-1. The LZ-2A Pelican was powered by a Franklin engine. Specifications References Bibliography * {{commons category, Dom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doman Helicopters
Doman may refer to: *Doman (surname) *Doman (river), Caraș-Severin County, Romania *Doman, a village in Reșița city, Caraș-Severin County, Romania * Doman Helicopters, an American helicopter manufacturing company * Doman (Khoikhoi) (died 1663), a Khoikhoi leader in the First Khoikhoi-Dutch War * George Doman, a hip-hop artist and disability advocate from United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 .... See also * Doman Scandal, a Canadian political scandal * Daman (other) {{disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Danbury, Connecticut
Danbury ( ) is a city in Fairfield County, Connecticut, United States, located approximately northeast of New York City. Danbury's population as of 2020 was 86,518. It is the third-largest city in Western Connecticut, and the seventh-largest city in Connecticut. Located within the heart of the Housatonic Valley region, the city is a historic commercial hub of western Connecticut, home to many commuters and summer residents from the New York metropolitan area and New England. Danbury is nicknamed the "Hat City", because it was once the center of the American hat industry, during the nineteenth and early twentieth centuries. The mineral danburite is named after Danbury, while the city itself is named for Danbury in Essex, England. Danbury is home to Danbury Hospital, Western Connecticut State University, Danbury Fair Mall, and Danbury Municipal Airport. History Danbury was settled by colonists in 1685, when eight families moved from what are now Norwalk and Stam ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doman LZ-2A
__NOTOC__ The Doman LZ-2A Pelican was an American five-seat helicopter designed and developed by Doman Helicopters of Danbury, Connecticut. Design and development Following the test flying of a Doman-designed rotor on a modified Sikorsky R-6 (designated the LZ-1A by Doman) the company developed a five-seat helicopter to use the rotor. Little information is available on the LZ-2A other than it was developed into the larger eight-seat Doman LZ-4 __NOTOC__ The Doman LZ-4 was an American eight-seat helicopter designed and developed by Doman Helicopters of Danbury, Connecticut Danbury ( ) is a city in Fairfield County, Connecticut, United States, located approximately northeast of New ..., the LZ-4 was the first helicopter designed completely by the company which indicates that the LZ-2A was perhaps a further development of the Sikorsky-based LZ-1. The LZ-2A Pelican was powered by a Franklin engine. Specifications References Bibliography * {{commons category, Doma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lycoming SO-580-B
The Lycoming GSO-580 is a family of eight-cylinder horizontally opposed, supercharged, carburetor-equipped aircraft engines for both airplanes and helicopters, manufactured by Lycoming Engines in the late 1950s and early 1960s. The family includes the original GSO-580 fixed-wing aircraft engine series, as well as the later SO-580 and VSO-580 helicopter engines. There is no non-supercharged, non-geared version of the engine, which would have been designated O-580 and therefore the base model is the GSO-580. Design and development The GSO-580 family of engines covers a range from to . All have a displacement of and the cylinders have air-cooled heads. Compared to other horizontally opposed engines of similar displacement this family of engines produces high output power by supercharging and high maximum rpm, at the cost of higher weight. The GSO-580 series was certified under Type Certificate 256, while the SO-580 and VSO-580 series were certified under type certificate 285. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Illustrated Encyclopedia Of Aircraft
The ''Illustrated Encyclopedia of Aircraft'' was a weekly partwork magazine by Aerospace Publishing (an imprint of Orbis Publishing) which was published in the United Kingdom (and sold in other countries too) during the early 1980s. The magazine was intended to eventually make up a multi-volume encyclopedia dedicated to aviation. First issued in 1981, the partwork comprised 216 issues, each of twenty pages (plus the covers), making up eighteen volumes (4280 pages). The first two issues were sold together for the price of one, subsequent issues were sold on their own. Empty binders for each volume (of twelve issues) were also sold. These binders were dark blue in colour and contained the imprint of a Panavia Tornado on the front. They held the issues using a metal strip that was threaded through the staples of each issue to hold them in place. Each issue consisted of four separate sections. The final two parts (215 and 216), issued in 1985, comprised the index for the encyclope ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1940s United States Experimental Aircraft
Year 194 ( CXCIV) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Septimius and Septimius (or, less frequently, year 947 ''Ab urbe condita''). The denomination 194 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Empire * Decimus Clodius Septimius Albinus Caesar became a Roman Consul. * Battle of Issus: Septimius Severus marches with his army (12 legions) to Cilicia, and defeats Pescennius Niger, Roman governor of Syria. Pescennius retreats to Antioch, and is executed by Severus' troops. * Septimius Severus besieges Byzantium (194–196); the city walls suffer extensive damage. Asia * Battle of Yan Province: Warlords Cao Cao and Lü Bu fight for control over Yan Province; the battle lasts for over 100 days. * First year of the ''Xingping'' era during the Han Dynasty in Ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
