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Ricardo PLC is a British firm that provides engineering, environmental and strategic consultancy services. Founded by Sir Harry Ricardo , it based at Shoreham-by-Sea , West Sussex. It is listed on the London Stock Exchange .
The Gnome used a unique valve system with only one rod-operated exhaust valve, and a "hidden" intake valve located on the piston head. 160 hp Gnome 9N Monosoupape of 1917. On 6 June 1905 Louis Seguin and his brother Laurent formed the Société Des Moteurs Gnome [4] (the Gnome Motor Company) to produce automobile engines. They soon started ...
Steel arm that converts the reciprocating motion of the piston into a rotary motion of the driving wheels. The connection between piston and main rod is a crosshead, which slides on a horizontal bar behind the cylinder. [2] [5] [3]: 55 Piston rod Connects the piston to the cross-head. [2] [3]: 61 Piston
Piston valves are one form of valve used to control the flow of steam within a steam engine or locomotive. They control the admission of steam into the cylinders and its subsequent exhausting, enabling a locomotive to move under its own power.
The Rolls-Royce Merlin is a British liquid-cooled V-12 piston aero engine of 27-litre (1,650 cu in) capacity. Rolls-Royce designed the engine and first ran it in 1933 as a private venture. Initially known as the PV-12 , it was later called Merlin following the company convention of naming its four-stroke piston aero engines after birds of prey .
A Heron cylinder head, or simply Heron head, is a design for the combustion chambers of the cylinder head on an internal combustion piston engine, named for engine designer S. D. Heron. The head is machined flat, with recesses only for inlet and exhaust valves, spark plugs, injectors and so on.
The Bristol Mercury is a British nine-cylinder, air-cooled, single-row, piston radial engine.Designed by Roy Fedden of the Bristol Aeroplane Company it was used to power both civil and military aircraft of the 1930s and 1940s.
A 1914 Simpson's balanced two-stroke engine. An opposed-piston engine is a piston engine in which each cylinder has a piston at both ends, and no cylinder head.Petrol and diesel opposed-piston engines have been used mostly in large-scale applications such as ships, military tanks, and factories.