freewheeling clutch
11Sprag — 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… …
12Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
13Automatic transmission — An automatic transmission (commonly AT or Auto ) is an automobile gearbox that can change gear ratios automatically as the vehicle moves, freeing the driver from having to shift gears manually. Similar but larger devices are also used for heavy… …
14Turbo-transmission — Turbo Transmissions are hydrodynamic, multi stage drive assemblies designed for rail vehicles using combustion engines. The first turbo transmission was developed in 1932 by Voith in Heidenheim, Germany. Since then, improvements to turbo… …
15Autorotation (helicopter) — Autorotation is the state of flight where the main rotor system of a helicopter is being turned by the action of air moving up through the rotor rather than engine power driving the rotor. The term autorotation can be traced back to a period of… …
16Presto-Matic — Infobox Automobile name=M6 aka=Presto Matic Tip Toe Shift Gyro Matic Fluid Matic Fluidtorque Gyrotorque manufacturer=Chrysler Corporation production=1946 ndash;1953 class=2 speed manual with overdrive and torque converter predecessor=M4 Vacamatic …
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… …
18Bicycle 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… …
19Texaco Star Theater — An advertisement for the October 12, 1938 Texaco Star Theatre. Texaco Star Theater is an American comedy variety show, broadcast on radio from 1938 to 1949 and telecast from 1948 to 1956. It was one of the first successful examples of American… …
20Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …
