Tiptronic Transmission

Posted : admin | On 30-04-2021

May 31, 2017 A manumatic transmission — Tiptronic (Porsche), Sportmatic (Kia), Steptronic (BMW) or some other marketing name — offers a middle ground between automatic and manual transmissions. Here, such transmissions behave as an automatic in default mode but can also operate like a manual transmission once shifted into sport mode. Jan 29, 2021 Tiptronic is a kind of automatic transmission but it has some differences from a standard automatic system. A Tiptronic system gives the drivers the freedom to choose how they want to drive. They can enjoy the hassle-free and easy driving of automatic navigation and the thrill of shifting gears in the manual transmission.

Horror games for mac os. The great strength of this classic torque-converter transmission lies in its remarkably smooth shift action and starting performance. Audi uses tiptronic in many models with longitudinally mounted engines, with either six or eight gears depending on the model line.

The eight-speed tiptronic in the large Audi models has been redeveloped from the ground up. Its overall gear spread of 7.0:1 is unusually large. It reduces fuel consumption by roughly 6 percent over the six-speed tiptronic in the previous model of the Audi A8. The eight speeds keep the jumps in engine speed between gears low, and the engine always runs in the vicinity of its ideal operating point. Gearshifts are smooth, eager, fast and highly flexible.
The wheelsets and shift controls have a novel design. As a result, the eight-speed tiptronic in the Audi A8 requires even less installation space than the six-speed unit used in the top-of-the-line engines in the previous model, and has fewer distinct individual parts.
The torque converter lockup clutch and integrated damper also play an important role in the efficiency concert. The clutch is closed during normal driving and connects the transmission directly to the engine. It works with limited slip in certain situations, which interacts with the dampers to permit very low engine speeds without the occurrence of vibrations.
When the car is at a standstill, an internal coupling disconnects the transmission from the engine, even if the selector lever remains in position D. This prevents losses caused by oil circulating in the converter. As soon as the driver releases the brake, the clutch engages again, and the damping effect of the torque converter ensures a smooth start.
The Dynamic Shift Program (DSP) that controls the eight-speed tiptronic is a small steel box housed inside the shifting unit. Vsd visio for mac os. It uses a high-speed processor. In mode D, the DSP prefers high gears and low engine speeds in the interest of efficient driving; in the sporty S mode, it stays in the gears longer during acceleration. In the Audi A8, the selector lever communicates purely electronically, with no mechanical connection to the transmission (shift by wire).
The eight-speed tiptronic is able to work together with the Audi start-stop system. To this end, it features a small, continuously filled hydraulic reservoir. When restarted after a stop, the oil that it contains – roughly 100 milliliters (3.38 fl oz) – is forced into the actuating elements required for startup by a spring tensioned piston. The transmission is ready for operation very quickly.

Status: 2011

The modern usage of the automotive term manumatic denotes an automatic transmission that allows the driver to select a specific gear, typically using paddle-shifters, steering wheel-mounted push-buttons, or '+' and '-' controls on the gear selector.^[1]

In the 1950s, the Automotive Products company in the United Kingdom produced an automated clutch system for automobiles called the Manumatic. This system was installed in cars with a manual transmission, allowing them to be driven without needing to use a clutch pedal.

Automatic transmissions[edit]

Zip for mac software. Since the popularization of the hydraulic automatic transmission in the 1940s, many automatic transmissions have allowed indirect control of the gear selection, usually in the form of locking out higher gears. This was provided to allow engine braking on downhills or prevent the use of overdrive gears when towing and was typically achieved using positions such as '3', '2', and '1' on the gear selector.

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. Manufacturers use a variety of tradenames for the manumatic function, as listed below.

The driver often does not have full control of the gear selection, as most manumatic modes will deny a gear change request that would result in the engine stalling (from too few RPM) or over-revving. Some transmissions will hold the requested gear indefinitely, while others will return to automatic gear selection after a period of time.

Tradenames[edit]

Alfa Romeo: Sportronic, Q-System, Q-Tronic
Alpina: Switchtronic
Aston Martin: Touchtronic
BMW: Steptronic
Chevrolet / Saturn: TAPshift
Chrysler / Dodge / Jeep / Ram: AutoStick
Ford (Australia): Sequential Sports Shift
Ford (USA): SelectShift
Holden: Active Select
Honda / Acura: S-matic, MultiMatic, SportShift
Hyundai: Shiftronic, HIVEC H-Matic
Infiniti: Manual Shift Mode
Jaguar: Bosch Mechatronic
Kia: Sportmatic
Lancia: Comfortronic
Land Rover: CommandShift
Lexus: E-Shift
Lincoln: SelectShift
Mazda: ActiveMatic, SportMatic (North America)
Mercedes-Benz: TouchShift, G-Tronic
MG-Rover: Steptronic
Mitsubishi: INVECS, INVECS-II, Sportronic, Tiptronic
Nissan: Xtronic (also used in Xtronic CVT), DualMatic M-ATx
Opel / Vauxhall: ActiveSelect, Tiptronic
Peugeot: Tiptronic
Pontiac: TACshift (Touch Activated Control), TAPshift (Touch Activated Power), Driver Shift Control (DSC)
Proton: PROTRONIC
Subaru: Sportshift
Toyota: ECT
Volkswagen / Audi / SEAT / Porsche: Tiptronic
Volvo Cars: Geartronic

1950s automated clutch system[edit]

The Automotive Products company in the United Kingdom produced an automated clutch system for automobiles in the 1950s called the Manumatic. This system is largely unrelated to later use of the term relating to automatic transmissions. The Manumatic was installed in cars with a manual transmission, allowing them to be driven without needing to use a clutch pedal.^[2]