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2. Layshaft - Wikipedia

   en.wikipedia.org/wiki/Layshaft

   Sectioned 3-speed manual 'crash' gearbox, for a car c. 1935. A layshaft is an intermediate shaft within a gearbox that carries gears, but does not transfer the primary drive of the gearbox either in or out of the gearbox. [1] [2] Layshafts are best known through their use in car gearboxes, where they were a ubiquitous part of the rear-wheel ...

3. List of auto parts - Wikipedia

   en.wikipedia.org/wiki/List_of_auto_parts

   Rear spoiler (wing) Rims. Hubcap; ... Power window switch; Steering column switch; ... Planetary gear set; Prop shaft (drive shaft, propeller shaft)

4. Parking pawl - Wikipedia

   en.wikipedia.org/wiki/Parking_pawl

   The parking pawl locks the transmission's output shaft to the transmission casing by engaging a pawl (a pin) that engages in a notched wheel on the shaft, stopping it (and thus the driven wheels) from rotating. The main components of a parking pawl mechanism are the parking gear, parking pawl, actuator rod, cam collar, cam plate, pivot pin, and ...

5. Gear housing - Wikipedia

   en.wikipedia.org/wiki/Gear_housing

   A split housing is like a walnut shell, the housing is divided in two parts, with a lower part that ties down the Gear Box to the structure, supports all the components during the assembly stage and holds the lubrication oil; and the upper part that completes the enclosure and provides mechanical integrity to the housing. The upper and lower ...

6. Preselector gearbox - Wikipedia

   en.wikipedia.org/wiki/Preselector_gearbox

   Gear selection lever on the steering column of a 1934 Daimler Fifteen. A preselector gearbox is a type of manual transmission mostly used on passenger cars and racing cars in the 1930s, in buses from 1940–1960 and in armoured vehicles from the 1930s to the 1970s. The defining characteristic of a preselector gearbox is that the gear shift ...

7. Non-synchronous transmission - Wikipedia

   en.wikipedia.org/wiki/Non-synchronous_transmission

   Three-speed sliding-gear non-synchronous transmission Non-synchronous "crash" gearbox; commonly used today in semi-trucks and tractors, and formerly used in automobiles pre-1950s. A non-synchronous transmission, also called a crash gearbox, is a form of manual transmission based on gears that do not use synchronizing mechanisms. They require ...

8. Spiral bevel gear - Wikipedia

   en.wikipedia.org/wiki/Spiral_bevel_gear

   The shape of a hypoid gear is a revolved hyperboloid (that is, the pitch surface of the hypoid gear is a hyperbolic surface), whereas the shape of a spiral bevel gear is normally conical. The hypoid gear places the pinion off-axis to the crown wheel (ring gear) which allows the pinion to be larger in diameter and have more contact area. In ...

9. Differential (mechanical device) - Wikipedia

   en.wikipedia.org/wiki/Differential_(mechanical...

   A relatively simple design of differential is used in rear-wheel drive vehicles, whereby a ring gear is driven by a pinion gear connected to the transmission. The functions of this design are to change the axis of rotation by 90 degrees (from the propshaft to the half-shafts) and provide a reduction in the gear ratio .