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AmEagle American Eaglet
The AmEagle American Eaglet was a highly unorthodox ultralight sailplane marketed in the U.S. for homebuilding. It was a one-seat, high-wing braced monoplane that carried an inverted V-tail on a long boom extending from a pod-like fuselage. Intended for self-launching, it was equipped with a McCulloch go-kart engine and a folding propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ... behind the cabin. Its first flight was on 19 November 1975, and by 1978, at least 250 sets of plans had been sold, with 12 aircraft reportedly completed. Specifications See also References * The Rigid Wing Web SiteGliding and Motorgliding International Single-engined pusher aircraft High-wing aircraft 1970s United States sailplanes 1970s United States ultralight aircraft Homebuilt ... [...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] |
Pterodactyl Ascender
The Pterodactyl Ascender is a family of United States, U.S. designed and built ultralight aircraft that were sold in kit form between 1979 and 1984 under Pterodactyl Limited and is currently being sold by DFE Ultralights. With a total production of 1,396 aircraft between 1979 and 1984 plus limited production today as the DFE Ascender III series, the aircraft has been one of the most influential designs in ultralight aviation.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, pages B-4-5. Cybair Limited Publishing, 2001. Design and development The Pterodactyl designs have their roots in the Manta Fledge hang gliders of the 1970s. The Fledge was designed by Klaus Hill and produced by Manta Products in a series that ran from the Fledge I to the IV, with numerous sub models designated by letters. The Fledge series were of a "rigid-wing" type, as opposed to the predominantly "flex-wing" hang glider designs then common. These designs all featured weight-shi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
V-tail Aircraft
The V-tail or ''Vee-tail'' (sometimes called a butterfly tail or Rudlicki's V-tailGudmundsson S. (2013). "General Aviation Aircraft Design: Applied Methods and Procedures" (Reprint). Butterworth-Heinemann. p. 489. , 9780123973290) of an aircraft is an unconventional arrangement of the tail control surfaces that replaces the traditional fin and horizontal surfaces with two surfaces set in a V-shaped configuration. It is not widely used in aircraft design. The aft edge of each twin surface is a hinged control surface called a ruddervator, which combines the functions of both a rudder and elevator. The V-tail was invented in 1930 by Polish engineer Jerzy Rudlicki and was tested for the first time on the Hanriot H-28 trainer aircraft, modified by a Polish aerospace manufacturer Plage and Laśkiewicz in the summer of 1931. Variants The X-shaped tail surfaces of the experimental Lockheed XFV were essentially a V tail that extended both above and below the fuselage. Conventional T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homebuilt 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.Armstrong, Kenneth: ''Choosing Your Homebuilt - the one you will finish and fly! Second Edition'', pp. 39–52. Butterfield Press, 1993. Peter M Bowers: ''Guide to Homebuilts - Ninth Edition''. TAB Books, Blue Ridge Summit PA, 1984. Overview In the United States, Brazil, Australia, New Zealand and South Africa, homebuilt aircraft may be licensed Experimental under FAA or similar local regulations. With some limitations, the builder(s) of the aircraft must have done it for their own education and recreation rather than for profit. In the U.S., the primary builder can also apply for a repairman's certificate for that airframe. The repairman's certificate allows the holder to perform and sign off on most of the maintenance, repairs, and inspections themsel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1970s United States Ultralight Aircraft
Year 197 ( CXCVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Magius and Rufinus (or, less frequently, year 950 '' Ab urbe condita''). The denomination 197 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 * February 19 – Battle of Lugdunum: Emperor Septimius Severus defeats the self-proclaimed emperor Clodius Albinus at Lugdunum (modern Lyon). Albinus commits suicide; legionaries sack the town. * Septimius Severus returns to Rome and has about 30 of Albinus's supporters in the Senate executed. After his victory he declares himself the adopted son of the late Marcus Aurelius. * Septimius Severus forms new naval units, manning all the triremes in Italy with heavily armed troops for war in the East. His soldiers embark ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1970s United States Sailplanes
Year 197 ( CXCVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Magius and Rufinus (or, less frequently, year 950 ''Ab urbe condita''). The denomination 197 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 * February 19 – Battle of Lugdunum: Emperor Septimius Severus defeats the self-proclaimed emperor Clodius Albinus at Lugdunum (modern Lyon). Albinus commits suicide; legionaries sack the town. * Septimius Severus returns to Rome and has about 30 of Albinus's supporters in the Senate executed. After his victory he declares himself the adopted son of the late Marcus Aurelius. * Septimius Severus forms new naval units, manning all the triremes in Italy with heavily armed troops for war in the East. His soldiers embark on an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
High-wing Aircraft
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplane (aeronautics), multiplanes, which have multiple planes. A monoplane has inherently the highest efficiency and lowest drag of any wing configuration and is the simplest to build. However, during the early years of flight, these advantages were offset by its greater weight and lower manoeuvrability, making it relatively rare until the 1930s. Since then, the monoplane has been the most common form for a fixed-wing aircraft. Characteristics Support and weight The inherent efficiency of the monoplane is best achieved in the cantilever wing, which carries all structural forces internally. However, to fly at practical speeds the wing must be made thin, which requires a heavy structure to make it strong and stiff enough. External Bracing (aeronautics), bracing can be used to improve structural efficiency, reducing weight and cost. For a wing of a given size, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zenair Zipper
The Zenair Zipper is a Canadian ultralight high-wing, single seat aircraft that was designed by Chris Heintz and produced by Zenair. The Zipper is a highly innovative design that strongly emphasizes portability over speed or carrying capacity.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page E-46. Cybair Limited Publishing, 2001. Development The Zipper was designed in the early 1980s by established Canadian aircraft designer Chris Heintz and put into production by his company Zenair, of Midland, Ontario. Heintz's motivation for the Zipper was the ultralight aviation boom that was occurring in Canada at that time and the introduction of new aviation regulations by Transport Canada legally permitting the operation of ultralights. The Zipper incorporates many unique features, all aimed at making the aircraft more portable. This focus was due to the nature of operations in the early days of the ultralight popularity. Aircraft were not flown great distances ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ultraflight Lazair
The UltraFlight Lazair is a family of Canadian designed and built twin-engine ultralight aircraft that were sold in kit form between 1979 and 1984. It was one of the first twin-engined ultralights. More Lazairs have been registered in Canada than any other type of Canadian aircraft.Hunt, Adam & Ruth Merkis-Hunt: ''Skeletal Remains'', pages 64-70. Kitplanes Magazine, September 2000. In 2019, Canada Post issued a stamp in honour of the Lazair. Development Dale Kramer visited the Oshkosh EAA convention in 1977, where he saw the potential of the ultralight aircraft present. He built and flew an early type of Superfloater ultralight sailplane. Kramer took it to the next year's Oshkosh, where he met Ed Sweeney. Later they fitted it with two of Sweeney's engine kits. Kramer kept the engines and designed a new plane for them, which would remedy the deficiencies he saw in the Superfloater.Dale Kramer; "Remembering Peter Corley: and the birth of the Lasair ultralight", ''fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stanton Sunbird
The Sunbird is a single-seater homebuilt motor glider, designed and built in New Zealand by Charles Stanton. It first flew in 1995, and was retired in 2005. Design and development Charles Stanton of Nelson, New Zealand had previously built and flown an AmEagle American Eaglet motor glider, registration ZK-GOE (c/n AACA/641). That craft's registration was cancelled in 1992. Stanton then went on to design and build a motor glider, and utilised components from the American Eaglet. Construction took over three years, and was completed by early 1995. The ''Sunbird'' was a self-launching motor glider. It was a high-wing monoplane of conventional configuration, with a pod-and-boom style of fuselage. The cantilevered wing had no dihedral and its planform was of constant chord with a tapered outer section. The pilot was housed in a small faired nacelle. The engine was located at the rear of the nacelle, and powered a two-bladed folding propeller. The engine was a Rotax 277, which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitchell U-2 Superwing
The Mitchell U-2 Superwing is an American tailless ultralight aircraft that was designed by Don Mitchell for amateur construction.Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page E-259. Cybair Limited Publishing, 2001. Design and development Although the aircraft was designed before the US FAR 103 Ultralight Vehicles rules came into force, the U-2 Superwing complies with them anyway (including the category's maximum empty weight of ). The aircraft has a standard empty weight of . It features a cantilever mid-wing, a single-seat enclosed cockpit, tricycle landing gear and a single engine in pusher configuration. The U-2 is a development of the high-wing B-10. The aircraft fuselage is made from welded steel tube, while the wing is of wood and foam, with doped aircraft fabric covering. Its span wing employs a modified Wortmann FX05-191 airfoil. The flight controls are unconventional; pitch and roll are controlled by elevons and yaw is controlled by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
