freewheel clutch
11sprag clutch — A mechanical clutch used in reciprocating engines and direct shaft turbine engines. It helps remove the load of the rotor when the engine is being started. In helicopters, it allows the engine to drive the rotor, but when the engine power is… …
12roller clutch — A clutch, using a series of rollers placed in ramps, that will provide drive power in one direction but will slip or freewheel in the other direction. Also see stator roller clutch …
13Sprag — A sprag is a one way freewheel clutch used in a number of applications. It resembles a roller bearing with rollers shaped like a figure eight and cocked with a spring. When the unit rotates in one direction, the rollers stand up and bind because… …
14Quattro (four wheel drive system) — quattro (meaning four in Italian), is the name used by Audi AG to indicate that four wheel drive (4WD) technologies or systems are used on specific models of the Audi automobiles.Audi.com Glossary [http://www.audi.com/audi/com/en2/tools/glossary/e… …
15Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …
16Engine braking — is where the retarding forces within an engine are used to slow a vehicle down, as opposed to using an external braking mechanism, for example friction brakes or magnetic brakes. The term is often confused with several other types of braking,… …
17Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …
18Differential (mechanical device) — For other uses, see Differential. A cutaway view of an automotive final drive unit which contains the differential Input …
19Manual transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
20Transmission (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 …
