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A clutchless manual system, named the Autostick, was a semi-automatic transmission introduced by Volkswagen for the 1968 model year. Marketed as the Volkswagen Automatic Stickshift, a conventional three-speed manual transmission was connected to a vacuum-operated automatic clutch system. The top of the gear stick was designed to depress and ...
Automated manual transmissions can be semi-automatic or fully-automatic in operation. Several different systems to automate the clutch and/or shifting have been used over the years, but they will generally use one of the following methods of actuation for the clutch and/or shifting: hydraulic or electro-hydraulic actuation, [12] electro-mechanical, [13] pneumatic, [6] [14] [15] electromagnetic ...
An automatic transmission with a manumatic function provides a greater level of control by allowing the driver to request an upshift or downshift at a specific time. This is usually achieved using "+" and "-" positions on the gear selector or with paddle-shifters mounted beside the steering wheel.
Automated manual transmission (AMT), sometimes referred to as a clutchless manual, is a type of multi-speed automobile transmission system that is closely based on the mechanical design of a conventional manual transmission, and automates either the clutch system, the gear shifting, or both simultaneously, requiring partial, or no driver input ...
In modern implementations, if the user does not shift while driving in the Autostick mode, the transmission will automatically up-shift at redline (the exception being the Plymouth/Chrysler Prowler which will not shift automatically at redline when in AutoStick mode) to prevent engine/transmission damage, and will not downshift into the redline ...
Float shifting can reduce clutch wear because it is used so much less (only for starting from a standstill). Conversely, improper engagement of a gear (when the engine and transmission speeds aren't matched) can cause wear on the synchros and lockouts, and damage the gears by physically grinding them together due to a difference in speed.
The third version of INVECS was further advanced, and now offered a continuously variable transmission when in fully-automatic mode, or a simulated six-speed clutchless manual if the driver wished to control the up- and down-shift points. A further innovation for Mitsubishi was the introduction of paddle-shifters allowing the driver to make ...
Semi-automatic transmissions on motorcycles are also referred to as auto-clutch transmissions, or sometimes, clutchless manual transmissions. They function in the same way as a conventional fully-manual motorcycle with a sequential gearbox , except they utilize a fully-automatic clutch system, or sometimes torque converter , but still require ...