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  2. Double-clutching (technique) - Wikipedia

    en.wikipedia.org/wiki/Double-clutching_(technique)

    Double-clutching (also called double de-clutching outside of the United States) is a method of shifting gears used primarily for vehicles with an unsynchronized manual transmission, such as commercial trucks and specialty vehicles. While double clutching [1] is not necessary in a vehicle that has a synchronized manual transmission, the ...

  3. Dual-clutch transmission - Wikipedia

    en.wikipedia.org/wiki/Dual-clutch_transmission

    A dual-clutch transmission (DCT) (sometimes referred to as a twin-clutch transmission) is a type of multi-speed vehicle transmission system, that uses two separate clutches for odd and even gear sets. [1] The design is often similar to two separate manual transmissions with their respective clutches contained within one housing, and working as ...

  4. Non-synchronous transmission - Wikipedia

    en.wikipedia.org/wiki/Non-synchronous_transmission

    Double-clutching: releasing the clutch in neutral to synchronize the speeds of the shafts within the transmission [7] Float shifting: shifting without using the clutch; In big rigs and semi-trucks, the driver may have to complete 24 or more gear changes when accelerating from a standstill to 70 mph (110 km/h).

  5. Float shifting - Wikipedia

    en.wikipedia.org/wiki/Float_shifting

    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.

  6. Ford PowerShift transmission - Wikipedia

    en.wikipedia.org/wiki/Ford_PowerShift_transmission

    The Ford unit is a six-speed with one clutch acting on reverse, first, third, and fifth gears, and the other used for second, fourth, sixth gears. As the first gear is engaged, the 2-4-6 clutch is disengaged and the second gear cogs are engaged. At the appropriate time, the R-1-3-5 clutch is disengaged and the 2-4-6 clutch is engaged.

  7. Manual transmission - Wikipedia

    en.wikipedia.org/wiki/Manual_transmission

    A manual transmission (MT), also known as manual gearbox, standard transmission (in Canada, the United Kingdom and the United States), or stick shift (in the United States), is a multi-speed motor vehicle transmission system where gear changes require the driver to manually select the gears by operating a gear stick and clutch (which is usually ...

  8. GM 6L transmission - Wikipedia

    en.wikipedia.org/wiki/GM_6L_transmission

    The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France.

  9. Double clutch - Wikipedia

    en.wikipedia.org/wiki/Double_clutch

    Double clutch, a baseball term for a fielder drawing his arm back twice before throwing; Double clutch (technique), a method of driving that involves pressing and releasing the clutch twice per shift; Double-clutch transmission, a type of transmission that has two separate clutches; Double-clutching (zoology), when an oviparous animal lays two ...

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