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Berliner-Joyce F2J
The Berliner-Joyce XF2J was the company's second biplane fighter for the United States Navy. The XF2J was ordered on 30 June 1931 and although designated as a two-seat fighter, it was used as an observation aircraft. Design and development The XF2J's construction was all-metal with a fabric covered rudder. The upper wing was " gulled", with a short, sharply upward-angled section, with the remainder of the wing with a slight dihedral. The lower wing span was shorter than the upper wing, and was braced with "N" struts and wires. A .30 calibre machine gun was located in each of the gulled sections of the upper wing and were synchronized to fire through the propeller arc.Forgotten Fighters p 56 The tightly-cowled 9-cylinder Pratt & Whitney R-1690C Hornet was the engine originally specified, but was changed to the 14-cylinder Wright SR-1510-92 Whirlwind before the aircraft flew. The propeller was a metal constant speed two-blade design. The original open cockpits were modif ... [...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] |
Pratt & Whitney R-1690C Hornet
The Pratt & Whitney R-1690 Hornet was a widely used American aircraft engine. Developed by Pratt & Whitney, 2,944 were produced from 1926 through 1942. It first flew in 1927. It was a single-row, 9-cylinder air-cooled radial design. Displacement was 1,690 cubic inches (27.7 L). It was built under license in Italy as the Fiat A.59. In Germany, the BMW 132 was a developed version of this engine. The R-1860 Hornet B was an enlarged version produced from 1929. Variants ;R-1690-3: ;R-1690-5: ;R-1690-11: ;R-1690-13: ;R-1690-S5D1G: ;R-1690-52: ;R-1690-SDG: ;R-1690-S1EG: ;R-1690-S2EG: ;R-1690-25: ;R-1690-S1C3G: ;Fiat A.59 R.: License built in Italy with reduction gearing. ;Fiat A.59 R.C.: License built in Italy with reduction gearing and supercharger. ;BMW Hornet:License production of the Hornet in Germany, independently developed as the BMW 132. Applications * Bach Air Yacht * Bellanca 31-40 * Boeing 80 * Boeing Model 95 * Boeing Model 299 * Burnelli UB-14 * Douglas O-38 * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aircraft First Flown In 1933
An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines. Common examples of aircraft include airplanes, helicopters, airships (including blimps), gliders, paramotors, and hot air balloons. The human activity that surrounds aircraft is called ''aviation''. The science of aviation, including designing and building aircraft, is called ''aeronautics.'' Crewed aircraft are flown by an onboard pilot, but unmanned aerial vehicles may be remotely controlled or self-controlled by onboard computers. Aircraft may be classified by different criteria, such as lift type, aircraft propulsion, usage and others. History Flying model craft and stories of manned flight go back many centuries; however, the first manned ascent — and safe descent — in modern times took place by larger hot-air ball ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1930s United States Fighter Aircraft
Year 193 ( CXCIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Sosius and Ericius (or, less frequently, year 946 ''Ab urbe condita''). The denomination 193 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 * January 1 – Year of the Five Emperors: The Roman Senate chooses Publius Helvius Pertinax, against his will, to succeed the late Commodus as Emperor. Pertinax is forced to reorganize the handling of finances, which were wrecked under Commodus, to reestablish discipline in the Roman army, and to suspend the food programs established by Trajan, provoking the ire of the Praetorian Guard. * March 28 – Pertinax is assassinated by members of the Praetorian Guard, who storm the imperial palace. The Empire is auctioned off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gull-wing Aircraft
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Gull-wing, gull wing or gullwing may refer to: * A wing of a gull Geography * Gullwing lake, a freshwater lake near Dryden, Ontario Designs resembling gull-wings * Gull wing, an aircraft wing configuration * Gull-wing door, a car door that is hinged at the roof * Gull wing, a format for leads of a Small Outline Integrated Circuit * Mercedes-Benz 300 SL Gullwing car * Gull Wing Bridge, a lifting bridge in Lowestoft, England Medicine * Gull-wing deformity of erosive osteoarthritis Osteoarthritis (OA) is a type of degenerative joint disease that results from breakdown of joint cartilage and underlying bone which affects 1 in 7 adults in the United States. It is believed to be the fourth leading cause of disability in the w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Berliner-Joyce Aircraft
Berliner-Joyce Aircraft was an American aircraft manufacturer. History The company was founded on the February 4, 1929, when Henry Berliner and his 1922 company, Berliner Aircraft Company of Alexandria, Virginia, joined with Maryland Aviation Commission leader Captain Temple Nach Joyce. Berliner-Joyce hired William H. Miller as chief designer, and opened a 58,000 square foot factory in Dundalk, Maryland, near Logan Field. The facility operated one of the largest private Wind tunnel operations of the time. The Great Depression ended the civil aircraft production market, so Berliner-Joyce concentrated on designing aircraft for the USAAC and US Navy. In May 1929 the company received its first order, for the Berliner-Joyce XFJ. Other projects, the P-16 and OJ-2, also received orders. A merger between the Douglas Aircraft Company and Berliner Joyce was proposed in early 1930, but fell through. Later that same year, North American Aviation bought the company. Later, in 1933, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grumman FF
The Grumman FF "Fifi" (company designation G-5) was an American biplane fighter aircraft operated by the United States Navy during the 1930s.Eden and Moeng 2002, p. 762. It was the first carrier aircraft with retractable landing gear.Winchester 2002, p. 21. It was produced under licence in Canada and known as the Goblin in Canadian service and Delfín (English: "Dolphin") in Spanish service. Design and development The ''FF-1'' was Grumman’s first complete aircraft design for the US Navy. The Navy had asked Grumman if their retractable landing gear made for the O2U-1 Scout planes could be retrofitted to the Navy's Boeing F4B-1 fighters; instead Grumman proposed a new fighter design. The prototype ''XFF-1'' (serial number A8878) was built to a contract placed on 22 April 1931, first flying on 29 December of that year,Cacutt 1989, p. 155–162.Swanborough and Bowers 1976, p. 195. a two-seat design, with an enclosed cockpit, fuselage of all-metal construction, and wings covered l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Berliner-Joyce P-16
The Berliner-Joyce P-16 was a 1930s United States two-seat fighter aircraft produced by Berliner-Joyce Aircraft Corporation. Design and development The Berliner-Joyce Aircraft Corporation was established in February 1929 when it acquired the assets of the Berliner Aircraft Company. The new company had intended to develop the Berliner Monoplane but became involved in designing a two-seat fighter for the United States Army Air Corps. The prototype, designated the Berliner-Joyce XP-16 first flew in October 1929 (at this time in the United States, fighter aircraft were known as "pursuit planes", and were designated with a "P"; the "X" stands for "Experimental"). It had a metal structure with a fabric covering. It was a single-bay biplane of unequal span ("sesquiplane"), with the wings forward-staggered. The lower wing was smaller than the upper and was mounted at the base of the fuselage, and unusually, were of reverse-gullwing type, while the upper wing was of gull wing configurati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Constant Speed Propeller
In aeronautics, a variable-pitch propeller is a type of propeller (airscrew) with blades that can be rotated around their long axis to change the blade pitch. A controllable-pitch propeller is one where the pitch is controlled manually by the pilot. Alternatively, a constant-speed propeller is one where the pilot sets the desired engine speed (RPM), and the blade pitch is controlled automatically without the pilot's intervention so that the rotational speed remains constant. The device which controls the propeller pitch and thus speed is called a propeller governor or constant speed unit. Reversible propellers are those where the pitch can be set to negative values. This creates reverse thrust for braking or going backwards without the need to change the direction of shaft revolution. Some aircraft have ground-adjustable propellers, however these are not considered variable-pitch. These are typically found only on light aircraft and microlights. Purpose When an aircraft is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wright SR-1510-92 Whirlwind
The Wright Whirlwind was a family of air-cooled radial aircraft engines built by Wright Aeronautical (originally an independent company, later a division of Curtiss-Wright). The family began with nine-cylinder engines, and later expanded to include five-cylinder and seven-cylinder varieties. Fourteen-cylinder twin-row versions were also developed, but these were not commercially produced. The Whirlwind series was succeeded by more powerful but still air-cooled radial aero engines, notably the Pratt & Whitney Wasp series and the Wright Cyclone series. Description The Whirlwind was a direct descendant of the Lawrance J-1, a nine-cylinder air-cooled radial built by the Lawrance Aero Engine Company for the U.S. Navy. Because the Navy was very enthusiastic about air-cooled radials, but was concerned that Lawrance could not produce enough engines for its needs, it forced Wright to purchase the Lawrance company in 1923 and build the J-1 itself. Wright's J-1 was the first engine in its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Synchronization
Synchronization is the coordination of events to operate a system in unison. For example, the conductor of an orchestra keeps the orchestra synchronized or ''in time''. Systems that operate with all parts in synchrony are said to be synchronous or ''in sync''—and those that are not are '' asynchronous''. Today, time synchronization can occur between systems around the world through satellite navigation signals and other time and frequency transfer techniques. Navigation and railways Time-keeping and synchronization of clocks is a critical problem in long-distance ocean navigation. Before radio navigation and satellite-based navigation, navigators required accurate time in conjunction with astronomical observations to determine how far east or west their vessel traveled. The invention of an accurate marine chronometer revolutionized marine navigation. By the end of the 19th century, important ports provided time signals in the form of a signal gun, flag, or dropping time ... [...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] |
