hub ratio

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• Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …   Wikipedia

• Ratio Club — The Ratio Club was a small informal dining club of young psychologists, physiologists, mathematicians and engineers who met to discuss issues in cybernetics. The idea of the club arose from a symposium on animal behaviour held by the Society of… …   Wikipedia

• Advance ratio — Diameter of the propeller. In aeronautics and marine hydrodynamics, the advance ratio at which a propeller is operating is the ratio between the distance the propeller moves forward through the fluid during one revolution, and the diameter of the …   Wikipedia

• I/O Controller Hub — (ICH), also known as Intel 82801, is an Intel microchip used as southbridge on motherboards with Intel chipsets (Intel Hub Architecture). As with any other southbridge, the ICH is used to connect and control peripheral devices. ICH The first… …   Wikipedia

• Transport hub — New underground bus and coach terminal and metro station are located underneath the Kamppi Center in Helsinki, Finland A transport hub (also transport interchange) is a place where passengers and cargo are exchanged between vehicles or between… …   Wikipedia

• Hubble'sconstant — Hub·ble s constant (hŭbʹəlz) n. A ratio expressing the rate of apparent expansion of the universe, equal to the velocity at which a typical galaxy is receding from Earth divided by its distance from Earth.   [After Hubble, Edwin Powell.] * * * …   Universalium

• Bicycle gearing — The gearing on a bicycle is the selection of appropriate gear ratios for optimum efficiency or comfort. Different gears and ranges of gears are appropriate for different people and styles of cycling. Multi speed bicycles allow gear selection to… …   Wikipedia

• Continuously variable transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …   Wikipedia

• Transmission (mechanics) — Gearbox redirects here. For the video game developer, see Gearbox Software. 5 speed gearbox + reverse, the 1600 Volkswagen Golf (2009). A machine consists of a power source and a power transmission system, which provides controlled application of …   Wikipedia

• Fixed-gear bicycle — A fixed gear bicycle or fixed wheel bicycle, is a bicycle without the ability to coast. The sprocket is screwed directly on to the hub and there is no freewheel mechanism. A reverse thread lockring is usually fitted to prevent the sprocket from… …   Wikipedia

• NuVinci Continuously Variable Transmission — NuVinci internal mechanisms Tilting ball variator …   Wikipedia