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Christen Eagle
The Christen Eagle, which later became the Aviat Eagle in the mid-1990s, is an Aerobatics, aerobatic sporting biplane aircraft that has been produced in the United States since the late 1970s. Design The aircraft was intended to compete with the Pitts Special. Designed by Frank Christensen (aircraft designer), Frank Christensen, originally of Salt Lake City, the Eagle II is marketed in kit form for homebuilt aircraft, homebuilding. The Eagle II is a small aircraft of conventional configuration with single-bay, equal-span staggered biplane wings braced with streamlined flying and landing wires and an I-strut to form a box truss. The pilot and a single passenger sit in tandem underneath a large bubble canopy. The Conventional landing gear, tailwheel undercarriage is fixed, with the mainwheels mounted on spring aluminum legs. The main wheels are housed in Aircraft fairing, streamlined fairings. The fuselage and Empennage, tail are constructed of chromoly steel welded tube, with the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft
A WikiProject, or Wikiproject, is an affinity group for contributors with shared goals within the Wikimedia movement. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within Wikimedia project, sibling 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 Magazine, 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 outsi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Picea Sitchensis
''Picea sitchensis'', the Sitka spruce, is a large, coniferous, evergreen tree growing to just over tall, with a trunk diameter at breast height that can exceed 5 m (16 ft). It is by far the largest species of spruce and the fifth-largest conifer in the world (behind Sequoiadendron giganteum, giant sequoia, Sequoia sempervirens, coast redwood, Agathis australis, kauri, and western red cedar), and the third-tallest conifer species (after coast redwood and Cupressus austrotibetica, South Tibetan cypress). The Sitka spruce is one of only five species List of superlative trees, documented to exceed in height. Its name is derived from the community of Sitka, Alaska, Sitka in southeast Alaska, where it is prevalent. Its range hugs the western coast of Canada and the US and continues south into northern California. Description The Bark (botany), bark is thin and scaly, flaking off in small, circular plates across. The inner bark is reddish-brown. The crown is broad conic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Steen Skybolt
The Steen Skybolt is an American homebuilt aerobatic biplane. Designed by teacher Lamar Steen as a high school engineering project, the prototype first flew in October 1970.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 121. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 128. Flying Pages Europe SARL, 2015. Design and development The aircraft has a classic structure consisting of a welded tube fuselage and wooden wings, all fabric covered. It is a tandem open-cockpit two-seat biplane and is stressed for normal aerobatics. The cockpits are frequently constructed as a single tandem cabin with an enclosing bubble canopy. Some aerobatic competition aircraft are built as single seaters with the front cockpit closed off. The original Skybolt had a Lycoming HO-360-B1B engine, but powerplants of can be installed.Simpson, 2001 p.521 Operational hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sorrell Hiperbipe
The Sorrell SNS-7 Hiperbipe is a two-seat, negative stagger, conventional landing gear-equipped cabin biplane designed for amateur construction that was produced in kit form by Sorrell Aviation of Tenino, Washington and since 2015 by Thunderbird Aviation.Plane and Pilot: ''1978 Aircraft Directory'', page 153. Werner & Werner Corp, Santa Monica CA, 1977. Design and development The SNS-7 (Sorrell Negative Stagger, Model 7) was intended to give full unlimited aerobatic performance without sacrificing the comforts of a cabin-style aircraft. The Sorrell family originated from the state of Oregon, which was the last state to ban homebuilt aircraft. Hobie Sorrell petitioned congress for experimental aircraft regulations, and his son Tim designed the Hiperbipe in a series of family designed homebuilt aircraft. The design is of mixed construction. The fuselage, tail, engine mount, landing gear mounts, interplane struts and flight controls are all built from welded 4130 steel. The win ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acro Sport II
The Acro II is a two-seat aerobatic sportsplane designed by US aviation enthusiast Paul Poberezny in the 1970s for amateur construction. It is an enlarged version of his previous Acro Sport I, sized up to carry two persons. Plans are available through Acro Sport in Wisconsin and material kits are supplied by Aircraft Spruce and Specialty.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 89. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 91. Flying Pages Europe SARL, 2015. Design and development The Acro Sport II is a short-span biplane of conventional taildragger configuration, typically built with open cockpits and spatted main undercarriage. Its structure is fabric-covered, steel tube fuselage and tail group, with wood wing structure. Operational history In March 2017, 83 examples were on the Federal Aviation Administration aircraft registr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flat-four
A flat-four engine, also known as a horizontally opposed-four engine or boxer engine, is a four-cylinder piston engine with two banks of cylinders lying on opposite sides of a common crankshaft. The most common type of flat-four engine is the boxer-four engine, each pair of opposed pistons moves inwards and outwards at the same time. A boxer-four engine has perfect primary and secondary balance, however, the two cylinder heads means the design is more expensive to produce than a straight-four engine. There is a minor, secondary unbalanced rotational torque pulse in the plane of the pistons, when a piston pair at one end of the engine is at TDC and the other pair at BDC. The TDC pair creates a torque greater than the BDC pair, so the net unbalanced torque pulse is the difference. The difference in TDC vs BDC inertial forces is explained in the Engine balance section. Boxer-four engines have been used in cars since 1897, especially by Volkswagen and Subaru. They have also occasional ... [...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 , with the basic O-360 producing . 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 displacement and bore and stroke. * O-360 carbureted seri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Carlos Airport (California)
San Carlos Airport is a public airfield located northeast of San Carlos, California, in San Mateo County and serves the San Francisco Bay Area. The airport lies off U.S. Route 101. The airport is home to Civil Air Patrol West Bay Composite Squadron 192. Next to the airport lies the Hiller Aviation Museum. History The San Carlos Flying Field was established during World War I by J. Paulding Edwards on a field north of Cordilleras Creek and east of today's Old County Road. A hangar was situated along the western end of Terminal Way. San Carlos' first pilot's license was issued on July 10, 1917 to Lieutenant Prince. In 1923, the airfield was taken over by the Cooley family. Charles P. Cooley was the primary flight instructor and his father, Frank S. Cooley, operated the field. On July 12, 1940, a fire destroyed the main hangar and twelve aircraft. Operations were maintained on an airstrip bounded by today's Brittan Avenue, Washington Street, Old County Road, and Industrial ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oshkosh, Wisconsin
Oshkosh () is a city in Winnebago County, Wisconsin, United States, and its county seat. It is located on the western shore of Lake Winnebago and had a population of 66,816 as of the 2020 United States census, 2020 census, making it the List of cities in Wisconsin, ninth-most populous city in Wisconsin. It is also adjacent to the much less populous Oshkosh (town), Wisconsin, Town of Oshkosh in the north. The Oshkosh metropolitan statistical area, which consists of all of Winnebago County, had 171,730 residents in 2020 and is included in the greater Fox Cities region of Wisconsin. History Oshkosh was named for Menominee Chief Oshkosh, whose name meant "claw" (cf. Anishinaabe language, Ojibwe ''oshkanzh'', "the claw"). Although the fur trade attracted the first European settlers to the area as early as 1818, it never became a major player in the fur trade. The 1820s mining boom in southwest Wisconsin along with the opening of the Erie Canal shifted commercial activity away fro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
EAA Airventure Museum
The EAA Aviation Museum, formerly the EAA AirVenture Museum (or Air Adventure Museum), is a museum dedicated to the preservation and display of historic and experimental aircraft as well as antiques, classics, and warbirds. The museum is located in Oshkosh, Wisconsin, United States, adjacent to Wittman Regional Airport, home of the museum's sponsoring organization, the Experimental Aircraft Association (EAA), and the organization's EAA AirVenture Oshkosh event (the world's biggest fly-in and airshow) that takes place in late July/early August. With over 200 aircraft, indoors and outdoors, and other exhibits and activities (including occasional aircraft rides nearby), the AirVenture Museum is a key tourist attraction in Oshkosh and is a center of activity throughout the AirVenture fly-in and airshow each summer. The museum is open year-round with the exception of a few holidays. History EAA founder Paul Poberezny first proposed the EAA Air Museum and Education Center in Augu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gene Soucy
Gene Soucy is an American aerobatics pilot. The son of two pilots, he would wash airplanes at a local airport in exchange for flight time while growing up in Kentucky. He soloed in a glider at age 14, and in a regular airplane at 16. Soucy began flying professionally in airshows in 1968, and in 1972 qualified for a place on the U.S. aerobatics team. That year he was the youngest competitor flying at the World championships in England. He placed 6th overall, and contributed to the U.S. team winning the World championship for the first time. Eagles Aerobatic Team In 1971, he partnered with Charlie Hillard and Tom Poberezny to form the Red Devils Aerobatic Team, flying the Pitts Special. In 1979, aircraft designer Frank Christensen invited the team to test fly a new aerobatic aircraft he had designed: the Christen Eagle. The Devils were so impressed that they switched their team aircraft to the Eagle, and renamed the Red Devils to the Eagles Aerobatic Team, with Hillard as the lead p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
