piston charging pump — [1] The function of the piston of the two stroke engine to pre compress the fresh charge induced into the crankcase. [2] A separate piston used in earlier two stroke engine designs to provide a supercharging effect … Dictionary of automotive terms
Hypereutectic piston — “Hypereutectic” means over eutectic. The word eutectic refers to a condition in chemistry when two elements can be alloyed together on a molecular level, but only up to a specific percentage, at which point any additional secondary element will… … Wikipedia
Axial piston pump — An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. It can be used as a stand alone pump, a hydraulic motor or an automotive air conditioning compressor. Contents 1… … Wikipedia
Kadenacy effect — The Kadenacy effect is an effect of pressure waves in gases. It is named after Michel Kadenacy who obtained a French patent for an engine utilizing the effect in 1933. There are also European and US patents.The Kadenacy effect has been utilized… … Wikipedia
Meredith Effect — The Meredith Effect is a term for the use of the hot air from a radiator to provide thrust for aircraft.[1][2] The concept was devised by Fredrick Meredith at the Royal Aircraft Establishment (RAE), Farnborough, prior to World War II, and… … Wikipedia
Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone … Wikipedia
London Underground cooling — In summer, temperatures on parts of the London Underground can become very uncomfortable due to its deep and poorly ventilated tube tunnels: temperatures as high as 47°C (116 °F) were reported in the 2006 European heat wave. [cite… … Wikipedia
King's Cross fire — The King s Cross fire was a fatal underground fire in London which broke out at approximately 19:30 on 18 November 1987, and which killed 31 people.It took place at King s Cross St. Pancras, a major interchange on the London Underground. The… … Wikipedia
History of the London Underground — The history of the London Underground is one of gradual evolution. One section of it was the first urban underground passenger carrying railway in the world, for although the Atlantic Avenue Tunnel in New York, opened in 1844, is sometimes called … Wikipedia
Safety on the London Underground — This article is primarily concerned with accidents on the London Underground network, which carries around a billion passengers a year. Statistically, there is just one fatal accident for every 300 million journeys.[1][2] There are several safety … Wikipedia