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Tatra 90
The Tatra 90 is a Czechoslovak prototype mid-size car, made by Tatra in Kopřivnice in 1935. The car has an air-cooled four-cylinder OHC 2,490 cc boxer engine, the same as in the Type 82. The engine produced , giving the car a top speed. The engine is front-mounted engine with rear-wheel drive. Transmission is via a single-disc dry clutch and four-speed transmission with synchronized third and fourth gears. The car has a tubular backbone chassis, front axle with transverse leaf spring, and oscillating rear axles with a transverse leaf spring. The body is a four-door, six-seater sedan, reminiscent of the aerodynamic Aerodynamics, from grc, ἀήρ ''aero'' (air) + grc, δυναμική (dynamics), is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dyn ... Type 77 at the front and rear, but with separate fenders and integrated headlights and running boards. Prob ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tatra (company)
Tatra is a Czech vehicle manufacturer from Kopřivnice. It is owned by the ''Tatra Trucks'' company, and it is the third oldest company in the world producing cars with an unbroken history. The company was founded in 1850 as ''Ignatz Schustala & Cie'', in 1890 renamed in German ''Nesselsdorfer Wagenbau-Fabriksgesellschaft'' when it became a wagon and carriage manufacturer. In 1897, Tatra produced the first motor car in central Europe, the Präsident automobile. In 1918, it changed its name to ''Kopřivnická vozovka a.s.'', and in 1919 it changed from the Nesselsdorfer marque to the ''Tatra'' badge, named after the nearby Tatra Mountains on the Czechoslovak-Polish border (now on the Polish- Slovak border). During World War II Tatra was instrumental in the production of trucks and tank engines for the German war effort. Production of passenger cars ceased in 1999, but the company still produces a range of primarily all-wheel-drive trucks, from 4×4 to 18×18. The brand is also ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FR Layout
In automotive design, a FR, or front-engine, rear-wheel-drive layout is one where the Internal combustion engine, engine is Front-engine design, located at the front of the vehicle and rear-wheel-drive, driven wheels are located at the rear via a drive shaft. This was the traditional automobile layout for most of the 20th century. Modern designs commonly use the front-engine, front-wheel-drive layout (FF). It is also used in high-floor Bus, buses and School bus, school buses. Front mid-engine, rear-wheel-drive layout In automotive design, a front mid-engine, rear-wheel-drive layout (FMR) is one that places the internal combustion engine, engine in the front, with the rear wheels of vehicle being driven. In contrast to the front-engine, rear-wheel-drive layout (FR), the engine is pushed back far enough that its center of mass is to the rear of the front axle. This aids in weight distribution and reduces the moment of inertia, improving the vehicle's car handling, handling. The me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
First Czechoslovak Republic
The First Czechoslovak Republic ( cs, První československá republika, sk, Prvá česko-slovenská republika), often colloquially referred to as the First Republic ( cs, První republika, Slovak: ''Prvá republika''), was the first Czechoslovak state that existed from 1918 to 1938, a union of ethnic Czechs and Slovaks. The country was commonly called Czechoslovakia (Czech and sk, Československo), a compound of ''Czech'' and ''Slovak''; which gradually became the most widely used name for its successor states. It was composed of former territories of Austria-Hungary, inheriting different systems of administration from the formerly Austrian ( Bohemia, Moravia, a small part of Silesia) and Hungarian territories (mostly Upper Hungary and Carpathian Ruthenia). After 1933, Czechoslovakia remained the only ''de facto'' functioning democracy in Central Europe, organized as a parliamentary republic. Under pressure from its Sudeten German minority, supported by neighbouring Nazi G ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mid-size Car
Mid-size—also known as intermediate—is a vehicle size class which originated in the United States and is used for cars larger than compact cars and smaller than full-size cars. "Large family car" is a UK term and a part of the D-segment in the European car classification. Mid-size cars are manufactured in a variety of body styles, including sedans, coupes, station wagons, hatchbacks, and convertibles. Compact executive cars can also fall under the mid-size category. History The automobile that defined this size in the United States was the Rambler Six that was introduced in 1956, although it was called a "compact" car at that time. Much smaller than any standard contemporary full-size cars, it was called a compact to distinguish it from the small imported cars that were being introduced into the marketplace. By the early 1960s, the car was renamed the Rambler Classic and while it retained its basic dimensions, it was now competing with an array of new "intermediate" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kopřivnice
Kopřivnice (; german: Nesselsdorf) is a town in the Moravian-Silesian Region of the Czech Republic. It has about 21,000 inhabitants. It is an industrial town, known especially for the vehicle manufacturer Tatra. Administrative parts Villages of Lubina, Mniší and Vlčovice are administrative parts of Kopřivnice. Geography Kopřivnice lies in the Moravian-Silesian Foothills. In the south it extends to the Podbeskydí Nature Park. The highest point of the municipal territory is the hill Pískovna at above sea level. The town lies on the Kopřivnička Stream, a tributary of the Lubina River, which flows through the northern and eastern part of the territory. Větřkovice Reservoir is located in the territory. Completed in 1976, it serves as a water supply for the Tatra Trucks company and the industrial zone, as a recreational area, and for fish farming. History The Šoštýn Castle was founded in around 1280–1290 and was first documented in 1347. The settlement was probably ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Overhead Camshaft
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block. ''Single overhead camshaft'' (SOHC) engines have one camshaft per bank of cylinders. ''Dual overhead camshaft'' (DOHC, also known as "twin-cam".) engines have two camshafts per bank. The first production car to use a DOHC engine was built in 1910. Use of DOHC engines slowly increased from the 1940s, leading to many automobiles by the early 2000s using DOHC engines. Design In an OHC engine, the camshaft is located at the top of the engine, above the combustion chamber. This contrasts the earlier overhead valve engine (OHV) and flathead engine configurations, where the camshaft is located down in the engine block. The valves in both OHC and OHV engines are located above the combustion chamber; however an OHV ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flat-4
A flat-four engine, also known as a horizontally opposed-four 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 an inline-four engine. Boxer-four engines have been used in cars since 1897, especially by Volkswagen and Subaru. They have also occasionally been used in motorcycles and frequently in aircraft. Cessna and Piper use flat four engines from Lycoming and Continental in the most common civil aircraft in the world - the Cessna 172, and Piper Cherokee, while many ultralight and LSA planes use versions of the Rotax 912. Design Most flat-four engines are designed so that each pair of opposing pistons moves inwards and out ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tatra 82
The Tatra 82 was a heavy-duty car model made by Czech manufacturer Tatra (company), Tatra between 1935 and 1938. It was mainly used for military cargo and personnel. The vehicle had an air-cooled OHC four-cylinder boxer engine with 2490 cc and power. The car had 3 axles, of which both back axles were driven. It had 8 gears and 1 reverse gear. The maximum attainable speed of the heavy car was . It was based on the Tatra backbone chassis conception. In two years, a total of 325 vehicles produced. The last specimens had the V8 engine of the Tatra 87 and increased to in total weight. Variants *Tatra 82: Main production version. References Tatra vehicles, 82 Cars of the Czech Republic Military trucks of Czechoslovakia Automobiles with backbone chassis {{Czechoslovakia-mil-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Backbone Chassis
Backbone tube chassis is a type of automobile construction chassis that is similar to the body-on-frame design. Instead of a two-dimensional ladder-type structure, it consists of a strong tubular backbone (usually rectangular in cross section) that connects the front and rear suspension attachment areas. A body is then placed on this structure. It was first used in the English Rover 8hp of 1904 and then the French Simplicia automobile in 1909. The backbone chassis was extensively developed by Hans Ledwinka who used it in greater numbers on the Tatra 11 and subsequent vehicles. Ledwinka later used backbone frame with central tube and axles with swinging driveshafts on Tatra trucks, became known as ''Tatra-concept''. Design The truck backbone chassis is a design feature of Czech Tatra heavy trucks (cross-country, military etc.). Hans Ledwinka used this style of chassis for the Tatra 11 car in 1923. He then developed the design on trucks with 6x4 model Tatra 26, which had ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Automotive Aerodynamics
Automotive aerodynamics is the study of the aerodynamics of road vehicles. Its main goals are reducing drag and wind noise, minimizing noise emission, and preventing undesired lift forces and other causes of aerodynamic instability at high speeds. Air is also considered a fluid in this case. For some classes of racing vehicles, it may also be important to produce downforce to improve traction and thus cornering abilities. History The frictional force of aerodynamic drag increases significantly with vehicle speed. As early as the 1920s engineers began to consider automobile shape in reducing aerodynamic drag at higher speeds. By the 1950s German and British automotive engineers were systematically analyzing the effects of automotive drag for the higher performance vehicles. By the late 1960s scientists also became aware of the significant increase in sound levels emitted by automobiles at high speed. These effects were understood to increase the intensity of sound levels for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tatra 77
The Czechoslovakian Tatra 77 (T77) is by many considered to be the first serial-produced, truly aerodynamically-designed automobile. It was developed by Hans Ledwinka and Paul Jaray, the Zeppelin aerodynamic engineer. Launched in 1934, the Tatra 77 is a coach-built automobile, constructed on a platform chassis with a pressed box-section steel backbone rather than Tatra's trademark tubular chassis, and is powered by a rear-mounted 2.97-litre air-cooled V8 engine, in later series increased to a 3.4-litre engine. It possessed advanced engineering features, such as overhead valves, hemispherical combustion chambers, a dry sump, fully independent suspension, rear swing axles and extensive use of lightweight magnesium alloy for the engine, transmission, suspension and body. The average drag coefficient of a 1:5 model of Tatra 77 was recorded as 0.2455. The later model T77a has a top speed of over due to its advanced aerodynamic design which delivers an exceptionally low drag coefficien ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cars Powered By Boxer Engines
A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as the birth year of the car, when German inventor Carl Benz patented his Benz Patent-Motorwagen. Cars became widely available during the 20th century. One of the first cars affordable by the masses was the 1908 Model T, an American car manufactured by the Ford Motor Company. Cars were rapidly adopted in the US, where they replaced animal-drawn carriages and carts. In Europe and other parts of the world, demand for automobiles did not increase until after World War II. The car is considered an essential part of the developed economy. Cars have controls for driving, parking, passenger comfort, and a variety of lights. Over the decades, additional features and controls have been added to vehicles, making them progressively more complex. These i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
