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H Engine
An H engine is a piston engine comprising two separate flat engines (complete with separate crankshafts), most often geared to a common output shaft. The name "H engine" is due to the engine blocks resembling a letter "H" when viewed from the front. The most successful "H" engine in this form was the Napier Dagger and its derivatives. The name was also applied to engines of the same basic layout, but rotated through 90 degrees—most famously the Napier Sabre series. A variation on the "H" theme were the Fairey Prince (H-16) & Fairey P.24 Monarch, where the two engines retained separate drives, driving Contra-rotating propellers through separate concentric shafts. Although successful, they only existed in prototype form. The H engine is a relatively rare layout, with its main use being in aircraft engines during the 1930s and 1940s. The 1966 Lotus 43 Formula One car used a BRM 16-cylinder H engine, and an 8-cylinder H engine was used for powerboat racing in the 1970s. Desig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
H-engine
An H engine is a piston engine comprising two separate flat engines (complete with separate crankshafts), most often geared to a common output shaft. The name "H engine" is due to the engine blocks resembling a letter "H" when viewed from the front. The most successful "H" engine in this form was the Napier Dagger and its derivatives. The name was also applied to engines of the same basic layout, but rotated through 90 degrees—most famously the Napier Sabre series. A variation on the "H" theme were the Fairey Prince (H-16) & Fairey P.24 Monarch, where the two engines retained separate drives, driving Contra-rotating propellers through separate concentric shafts. Although successful, they only existed in prototype form. The H engine is a relatively rare layout, with its main use being in aircraft engines during the 1930s and 1940s. The 1966 Lotus 43 Formula One car used a BRM 16-cylinder H engine, and an 8-cylinder H engine was used for powerboat racing in the 1970s. Design ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Klöckner-Humboldt-Deutz DZ 710
The Klöckner-Humboldt-Deutz DZ 710 was a German aircraft engine manufactured by Motorenfabrik Oberursel A.G. in the early 1940s. It was a 16-cylinder horizontally-opposed, two cycle diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-cal .... A larger 32-cylinder variant, the Klöckner-Humboldt-Deutz DZ 720 was basically two DZ 710's 'bolted' together to make an H engine configuration. Neither design saw operational use before the end of the war and work on them was halted in late 1945 after the factories were captured by the Allies and turned into makeshift tank repair depots. Specifications (DZ 710) References * http://www.ibiblio.org/pub/academic/history/marshall/military/airforce/engines.txt {{DEFAULTSORT:Klockner-Humboldt-Deutz Dz 710 Aircraft diesel engines 1940 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earls Court Exhibition Centre
Earls Court Exhibition Centre was a major international exhibition and events venue just west of central London. At its peak it is said to have generated a £2 billion turnover for the economy. It replaced exhibition and entertainment grounds, originally opened in 1887, with an art moderne structure built between 1935 and 1937 by specialist American architect C. Howard Crane. With the active support of London mayor Boris Johnson, in an attempt to create Europe's "largest regeneration scheme", its proposed heritage listing was refused after it was acquired by developers, who promptly in 2008 applied for and were granted a Certificate of Immunity from Listing by English Heritage, and its demolition was completed in 2017. Located in Earl's Court but straddling the boundary between the Royal Borough of Kensington and Chelsea and the Borough of Hammersmith and Fulham, it was the largest such venue within the capital served by two London Underground stations—one of them, Earl's Co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British International Motor Show
The British International Motor Show is an annual motor show held by the Society of Motor Manufacturers and Traders between 1903 and 2008 in England, and as The British Motor Show since 2021 by Automotion Events. Initially held in London at The Crystal Palace, Olympia and then the Earls Court Exhibition Centre, it moved to the National Exhibition Centre in Birmingham in 1978, where it stayed until 2004. It was held at ExCeL London in 2006 and 2008 and now based in Farnborough (Hampshire) at the airport exhibition centre. The 2010 and 2012 events were cancelled due to the global financial crisis. Between 2016 and 2019 there were annual motor shows held under the London Motor Show banner. The show returned in 2021 to Farnborough under the banner of The British Motor Show and was the first international motor show event to take place after the lifting of coronavirus measures. The event recorded 45,000 visitors in its first year returning, and proceeded to grow to almost 60 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wooler (motorcycles)
Wooler was a British manufacturer of motorcycles and automobiles, founded by engineer John Wooler in 1911 based in Alperton, Middlesex. The company became known for its unconventional designs which included several fore-and-aft twins, a vertical camshaft single cylinder machine, a transverse-four beam engine, and a transverse flat four. Most machines possessed Wooler's enduring design features of a petrol tank which extended past the steering head. In 1919-1920 the Wooler ''Mule'' cyclecar was manufactured until the company was reformed. History Motorcycles John Wooler designed his first motorcycle in 1909 – a two-stroke horizontal single-cylinder machine with a double-ended piston. The first production model was a 230 cc two-stroke with front and rear plunger spring suspension and a patent "anti-vibratory" frame. The motorbike was manufactured by Wilkinson from 1912 onwards with a 344 cc engine and marketed as the Wilkinson-Wooler. Production was halted during ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brough Superior Golden Dream
The Brough Superior Golden Dream was designed and built by George Brough in Nottingham, England, in 1938. With its distinctive gold finish, this was to be the ultimate Brough Superior but production was stopped by the outbreak of War in 1939. Development Designed as a team effort by Brough, 'Ike' Hatch, and Freddie Dixon, the engine has two horizontally opposed flat twins one above the other and geared together, thus rotating counter to each other forming an H engine. Connecting rods from opposed cylinders were of the fork and blade type and thus shared a common crank pin. All pistons moved in unison, that is to the left or to the right at the same time. The pistons could thus be counterweighted 100% yielding a perfect balance. Primary, secondary and higher-order sources of vibration canceled each other, as did the gyroscopic effects from each crankshaft. George Brough described it a "flat vertical" engine. The four cylinders were equating to 988 cc, with the camshaft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brough Superior Golden Dream (close Up)
The Brough Superior Golden Dream was designed and built by George Brough in Nottingham, England, in 1938. With its distinctive gold finish, this was to be the ultimate Brough Superior but production was stopped by the outbreak of War in 1939. Development Designed as a team effort by Brough, 'Ike' Hatch, and Freddie Dixon, the engine has two horizontally opposed flat twins one above the other and geared together, thus rotating counter to each other forming an H engine. Connecting rods from opposed cylinders were of the fork and blade type and thus shared a common crank pin. All pistons moved in unison, that is to the left or to the right at the same time. The pistons could thus be counterweighted 100% yielding a perfect balance. Primary, secondary and higher-order sources of vibration canceled each other, as did the gyroscopic effects from each crankshaft. George Brough described it a "flat vertical" engine. The four cylinders were equating to 988 cc, with the camshaft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Center Of Gravity
In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weighted relative position of the distributed mass sums to zero. This is the point to which a force may be applied to cause a linear acceleration without an angular acceleration. Calculations in mechanics are often simplified when formulated with respect to the center of mass. It is a hypothetical point where the entire mass of an object may be assumed to be concentrated to visualise its motion. In other words, the center of mass is the particle equivalent of a given object for application of Newton's laws of motion. In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for hollow or open-shaped objects, such as a horseshoe. In the case of a d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BRM P83
The BRM P83 was a Formula One racing car designed by Tony Rudd and built by British Racing Motors for the new engine regulations of 1966. It used a highly unorthodox H16 engine which caused problems throughout the car's racing life, and despite the best efforts of Graham Hill and Jackie Stewart took BRM from championship contenders to also-rans, leading it to be regarded alongside the BRM Type 15 as another embarrassing failure for the British marque caused by overcomplicated engineering. Introduction After winning the 1962 Drivers' and Constructors' championships BRM had finished second each year, coming close to the championship in 1964 and having a promising 1965 season with the excellent P261. In 1966 the Formula One regulations with regards to engines were changed from a maximum 1.5 litres normally aspirated to either 3 litres normally aspirated or 1.5 litres supercharged following complaints that the smaller engines used from 1961 to 1965 weren't powerful enough for the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Racing Motors
British Racing Motors (BRM) was a British Formula One motor racing team. Founded in 1945 and based in the market town of Bourne in Lincolnshire, it participated from 1951 to 1977, competing in 197 grands prix and winning seventeen. BRM won the constructors' title in 1962 when its driver Graham Hill became world champion. In 1963, 1964, 1965 and 1971, BRM came second in the constructors' competition. History BRM was founded just after the Second World War by Raymond Mays, who had built several hillclimb and road racing cars under the ERA brand before the war, and Peter Berthon, a long-time associate. Mays' pre-war successes (and access to pre-war Mercedes-Benz and Auto Union design documents) inspired him to build an all-British grand prix car for the post-war era as a national prestige project, with financial and industrial backing from the British motor industry and its suppliers channelled through a trust fund. This proved to be an unwieldy way of organising and fina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rolls-Royce Eagle (1944)
The Rolls-Royce Eagle Mk XXII is a British 24-cylinder, sleeve valve, H-block aero engine of 46 litre (2,807 cubic inches) displacement. It was designed and built in the early-1940s by Rolls-Royce Limited and first ran in 1944. It was liquid-cooled, of flat H configuration with two crankshafts and was capable of 3,200 horsepower (2,387 kW) at 18 psi boost. Design and development The Rolls-Royce design team realised that producing a scaled-up version of their Griffon V-12 engine would lead to excessively large combustion chambers and problems with detonation.Rubbra 1990, p. 91. The team concluded that a larger number of small cylinders would be the answer and considered an X-24 design. This layout had previously caused unreliability with the Rolls-Royce Vulture due to the need to fasten four connecting rods in a complicated arrangement to a common big end bearing. The designers finally settled on an 'H' layout with two crankshafts and 'blade and fork' connecting rod at ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pratt & Whitney XH-3130
The Pratt & Whitney XH-3130 (sometimes called the XL-3130) was an H-block aircraft engine project developed for the United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ... in the late 1930s.Gunston 2006, p. 163. The design was later enlarged as the XH-3730), but the project was canceled in 1940 in favor of Pratt & Whitney developing the R-4360 Wasp Major air-cooled radial engine.Connors, p. 147. Specifications See also References Notes Bibliography * * * External links Photo of the XH-3730 at enginehistory.org {{DEFAULTSORT:Pratt and Whitney XH-3130 XH-3130 Sleeve valve engines 1940s aircraft piston engines Abandoned military aircraft engine projects of the United States ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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