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Burnelli UB-20
The Burnelli UB-20 was a prototype lifting body airliner designed by Vincent Burnelli and built in the early 1930s. Design and development The UB-20 was a high-wing monoplane with a fixed tail wheel landing gear. It is considered the first American construction to have a load-bearing fuselage skin covered with smooth sheet metal. The fuselage structure consisted of seven transverse frames and four T-side members made of duralumin as well as stringers with a U-section. The planking had a thickness of and was riveted to the substructure. The wings had a structure consisting of two metal box spars with special drawn T-shaped angle connections. The smooth sheet planking was thick. The tanks were in the wing root. The chassis and engine mounts were made from welded chrome-molybdenum steel tubes.Howard Levy, Richard Riding: Burnelli’s Lifting Fuselages. Aeroplane Monthly, April 1980, S. 172 ff. The 20-passenger passenger cabin was x and was high. This allowed bulky loads to be tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Burnelli
Vincent Justus Burnelli (November 22, 1895 – June 22, 1964) was an American aeronautics engineer, instrumental in furthering the lifting body and flying wing concept. Biography Burnelli was born on November 22, 1895, in Temple, Texas. With his friend, John Carisi, he designed his first airplane in 1915, at Maspeth, Queens, New York. The open biplane was first demonstrated at the old Hempstead Plains Aviation Field, later to become Roosevelt Field. A few years later, he designed a " night fighter" in the hopes that it would be used as a combat aircraft in World War I. His hopes were not realized, but he did sell the plane to the New York City Police Department, when plans were made to create an aerial police operation. In 1919, Burnelli refined his ideas about aircraft design, after he had built what is believed to have been the world's first large commercial airliner, the Lawson L-4, in Milwaukee, Wisconsin, for the Lawson Airlines. Flying wing/lifting body Burne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vincent Burnelli
Vincent Justus Burnelli (November 22, 1895 – June 22, 1964) was an American aeronautics engineer, instrumental in furthering the lifting body and flying wing concept. Biography Burnelli was born on November 22, 1895, in Temple, Texas. With his friend, John Carisi, he designed his first airplane in 1915, at Maspeth, Queens, New York. The open biplane was first demonstrated at the old Hempstead Plains Aviation Field, later to become Roosevelt Field. A few years later, he designed a "night fighter" in the hopes that it would be used as a combat aircraft in World War I. His hopes were not realized, but he did sell the plane to the New York City Police Department, when plans were made to create an aerial police operation. In 1919, Burnelli refined his ideas about aircraft design, after he had built what is believed to have been the world's first large commercial airliner, the Lawson L-4, in Milwaukee, Wisconsin, for the Lawson Airlines. Flying wing/lifting body Burnell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NACA Airfoil
The NACA airfoils are airfoil shapes for aircraft wings developed by the National Advisory Committee for Aeronautics (NACA). The shape of the NACA airfoils is described using a series of digits following the word "NACA". The parameters in the numerical code can be entered into equations to precisely generate the cross-section of the airfoil and calculate its properties. Origins NACA initially developed the numbered airfoil system which was further refined by the United States Air Force at Langley Research Center. According to the NASA website: Four-digit series The NACA four-digit wing sections define the profile by: # First digit describing maximum camber as percentage of the chord. # Second digit describing the distance of maximum camber from the airfoil leading edge in tenths of the chord. # Last two digits describing maximum thickness of the airfoil as percent of the chord. For example, the NACA 2412 airfoil has a maximum camber of 2% located 40% (0.4 chords) from the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Packard 2500
The Packard 1A-2500 is an American V-12 liquid-cooled aircraft engine designed by Packard in 1924 as a successor to the World War I-era Liberty L-12. Five aero variants were produced, of which the 3A-2500 was the most numerous. Three marine versions, used most prominently in American World War II PT-boats, the ''3M-2500'', ''4M-2500'', and ''5M-2500'', were also derived from it. Applications *Boeing TB * Heinkel HE 8 *Martin T3M * Naval Aircraft Factory PN *Huff-Daland LB-1 *PT boats - marine versions of the 3M/4M/5M-2500 *Packard-Bentley one-off race car *USSR World War II torpedo boats and sub-chasers, which were fitted with 535 4M-2500 engines with W-8 modification under Lend-Lease Variants ;1A-2500:1924, 800 hp. Six built. ;2A-2500 :1925, 800 hp. 75 built. ;2A-2540:? Huff-Daland XHB-1 ;3A-2500:1926, Geared propeller drive option, 800 hp. 175 built. ;4A-2500:1927, fitted with a supercharger, 900 hp. One built. ;5A-2500:1930, experimental use only, 1500 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Burnelli Aircraft
Vincent Justus Burnelli (November 22, 1895 – June 22, 1964) was an American aeronautics engineer, instrumental in furthering the lifting body and flying wing concept. Biography Burnelli was born on November 22, 1895, in Temple, Texas. With his friend, John Carisi, he designed his first airplane in 1915, at Maspeth, Queens, New York. The open biplane was first demonstrated at the old Hempstead Plains Aviation Field, later to become Roosevelt Field. A few years later, he designed a "night fighter" in the hopes that it would be used as a combat aircraft in World War I. His hopes were not realized, but he did sell the plane to the New York City Police Department, when plans were made to create an aerial police operation. In 1919, Burnelli refined his ideas about aircraft design, after he had built what is believed to have been the world's first large commercial airliner, the Lawson L-4, in Milwaukee, Wisconsin, for the Lawson Airlines. Flying wing/lifting body Burne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1930s United States Civil 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] |
Lifting Bodies
A lifting body is a fixed-wing aircraft or spacecraft configuration in which the body itself produces lift. In contrast to a flying wing, which is a wing with minimal or no conventional fuselage, a lifting body can be thought of as a fuselage with little or no conventional wing. Whereas a flying wing seeks to maximize cruise efficiency at subsonic speeds by eliminating non-lifting surfaces, lifting bodies generally minimize the drag and structure of a wing for subsonic, supersonic and hypersonic flight, or spacecraft re-entry. All of these flight regimes pose challenges for proper flight safety. Lifting bodies were a major area of research in the 1960s and 70s as a means to build a small and lightweight crewed spacecraft. The US built a number of lifting body rocket planes to test the concept, as well as several rocket-launched re-entry vehicles that were tested over the Pacific. Interest waned as the US Air Force lost interest in the crewed mission, and major development en ... [...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] |
