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Seibel S-4 Skyhawk
The Seibel S-4 was a two-bladed, single-engine helicopter built by Seibel Helicopter. Designed by Charles Seibel, the S-4 was evaluated by the United States Army under the designation ''YH-24 Sky Hawk'', but would be rejected for service. The S-4B would serve as the basis for the design of the Cessna CH-1 Skyhook, the only helicopter Cessna ever produced. Development Charles Seibel began development on the S-4 after forming the Seibel Helicopter Company with funding from local Kansas oil investors. The S-4 was a continuation of his work on his previous design, the Seibel S-3, which he flew as a demonstrator for his design concepts; primarily a new design for a two-bladed rotor system and a simplified transmission. These features would also be incorporated into the S-4 design. In January 1949, the S-4 lifted off the ground for the first time, piloted by Johnny Gibbs. In March 1950, certification tests were completed and on 23 April 1950, the S-4 received civil certification by ... [...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] |
Monocoque
Monocoque ( ), also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word ''monocoque'' is a French term for "single shell". First used for boats, a true monocoque carries both tensile and compressive forces within the skin and can be recognised by the absence of a load-carrying internal frame. Few metal aircraft other than those with milled skins can strictly be regarded as pure monocoques, as they use a metal shell or sheeting reinforced with frames riveted to the skin, but most wooden aircraft are described as monocoques, even though they also incorporate frames. By contrast, a semi-monocoque is a hybrid combining a tensile stressed skin and a compressive structure made up of longerons and ribs or frames. Other semi-monocoques, not to be confused with true monocoques, include vehicle unibodies, which tend to be composites, and inflatable shells or balloon tanks, both of which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seibel Aircraft
Seibel may refer to: * Albert Seibel (1844–1936), a French physician and viticulturist * Cathy Seibel (1960–), an American federal judge * Carl-August Seibel (1872–1950), the founder of the German shoe industry * Edgar Seibel (born 1991), a Russian-born German writer and journalist * Felix Seibel (born 1997), a Russian-born German skeleton racer * John Seibel (1970–), an American journalist who has worked for ESPN * Josef Seibel (1923–2014), a German industrialist * Kevin Seibel (born 1983), a Canadian professional ice hockey defenceman * Klauspeter Seibel (1936–2011), a German conductor of the Louisiana Philharmonic Orchestra * Markus J Seibel (1958 – ), a German-Australian scientist and endocrinologist * Phil Seibel (1979–), a former left-handed starting/relief baseball pitcher * Tara Seibel (1973–), an American artist (cartoonist) Seibels may refer to: * Edwin G. Seibels (1866–1954), the inventor of the vertical filing system * Henry Seibels Henry Goldt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1940s United States Helicopters
Year 194 ( CXCIV) was a common year starting on Tuesday (link will display the full calendar) 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 * Emperor Septimius Severus and Decimus Clodius Septimius Albinus Caesar become Roman Consuls. * 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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lycoming O-290-D , a shortline railroad along the West Branch Susquehanna ...
Lycoming may refer to the following, most of which are at least partly in Lycoming County, Pennsylvania, United States: Geography * Lycoming, New York, a hamlet * Lycoming County, Pennsylvania * Lycoming Township, Lycoming County, Pennsylvania * Lycoming Creek, a tributary of the West Branch Susquehanna River Other uses * Lycoming Engines, a manufacturer of aircraft engines, and its successor Textron Lycoming * Lycoming Mall, a shopping mall of Interstate 180 * Lycoming College, a small, private, liberal arts college in Williamsport, Pennsylvania * , a World War II attack transport See also * Old Lycoming Township, Lycoming County, Pennsylvania * Lycoming Valley Railroad The Lycoming Valley Railroad is a short line that operates of track in Lycoming and Clinton counties in Pennsylvania in the United States. It is part of the North Shore Railroad System. The line runs generally west between Muncy (in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wright Field
Wilbur Wright Field was a military installation and an airfield used as a World War I pilot, mechanic, and armorer training facility and, under different designations, conducted United States Army Air Corps and Air Forces flight testing. Located near Riverside, Ohio, the site is officially "Area B" of Wright-Patterson Air Force Base and includes the National Museum of the United States Air Force built on the airfield. History World War I Wilbur Wright Field was established in 1917 for World War I on of land adjacent to the Mad River which included the 1910 Wright Brothers' Huffman Prairie Flying Field and that was leased to the Army by the Miami Conservancy District. Logistics support to Wilbur Wright Field was by the adjacent Fairfield Aviation General Supply Depot established in January 1918 and which also supplied three other Midwest Signal Corps aviation schools. A Signal Corps Aviation School began in June 1917 for providing combat pilots to the Western Front in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Bragg, North Carolina
Fort Bragg is a military installation of the United States Army in North Carolina, and is one of the largest military installations in the world by population, with around 54,000 military personnel. The military reservation is located within Cumberland and Hoke counties, Info on high school assignments also stated in this document/ref> and borders the towns of Fayetteville, Spring Lake, and Southern Pines. It was also a census-designated place in the 2000 census, during which a residential population of 29,183 was identified. It is named for native North Carolinian Confederate General Braxton Bragg, who had previously served in the United States Army in the Mexican-American War. Fort Bragg is one of ten United States Army installations named for officers who led military units of the Confederate States of America in the American Civil War. The National Defense Authorization Act for Fiscal Year 2021, passed over an attempted veto by President Trump, includes a provision that al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MEDEVAC
Medical evacuation, often shortened to medevac or medivac, is the timely and efficient movement and en route care provided by medical personnel to wounded being evacuated from a battlefield, to injured patients being evacuated from the scene of an accident to receiving medical facilities, or to patients at a rural hospital requiring urgent care at a better-equipped facility using medically equipped air ambulances, especially helicopters. Examples include civilian EMS vehicles, civilian aeromedical helicopter services, and military air ambulances. This term also covers the transfer of patients from the battlefield to a treatment facility or from one treatment facility to another by medical personnel, such as from a local hospital to a trauma center. History The first medical transport by air was recorded in Serbia in the autumn of 1915 during First World War. One of the ill soldiers in that first medical transport was Milan Rastislav Štefánik, a Slovak pilot-volunteer who was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Utility Helicopter
A utility helicopter is a multi-purpose helicopter capable of fulfilling many different roles. Civil Many civilian helicopters are made for utility work such as agricultural aircraft. Many police and fire departments maintain and operate utility helicopters to augment their regular forces. In many countries local hospital services operate medevac helicopters for special time-sensitive cases. Military A utility military helicopter can fill roles such as ground attack, air assault, military logistics, CASEVAC, medical evacuation, command and control, and troop transport. Some overlap of terminology is inevitable with transport helicopter. Prominent examples of utility helicopters include the American Bell Huey family, Russian Mil Mi-2 series and the French Aérospatiale Alouette III. See also * Cargo hook (helicopter) * Utility aircraft A utility aircraft is a general-purpose light aircraft, light airplane or helicopter, usually used for transporting people, freight or oth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reconnaissance
In military operations, reconnaissance or scouting is the exploration of an area by military forces to obtain information about enemy forces, terrain, and other activities. Examples of reconnaissance include patrolling by troops (skirmishers, long-range reconnaissance patrol, U.S. Army Rangers, cavalry scouts, or military intelligence specialists), ships or submarines, crewed or uncrewed reconnaissance aircraft, satellites, or by setting up observation posts. Espionage is usually considered to be different from reconnaissance, as it is performed by non-uniformed personnel operating behind enemy lines. Often called recce (British, Canadian and Australian English) or recon (American English), the word for this activity has at its root the associated verb ''reconnoitre'' or ''reconnoiter''. Etymology The word from the Middle French ''reconoissance''. Overview Reconnaissance conducted by ground forces includes special reconnaissance, armored reconnaissance, amp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Air Force
The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Signal Corps, the USAF was established as a separate branch of the United States Armed Forces in 1947 with the enactment of the National Security Act of 1947. It is the second youngest branch of the United States Armed Forces and the fourth in order of precedence. The United States Air Force articulates its core missions as air supremacy, global integrated intelligence, surveillance and reconnaissance, rapid global mobility, global strike, and command and control. The United States Air Force is a military service branch organized within the Department of the Air Force, one of the three military departments of the Department of Defense. The Air Force through the Department of the Air Force is headed by the civilian Secretary of the Air Force ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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