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  2. Chain drive - Wikipedia

    en.wikipedia.org/wiki/Chain_drive

    Most often, the power is conveyed by a roller chain, known as the drive chain or transmission chain, [1] passing over a sprocket, with the teeth of the gear meshing with the holes in the links of the chain. The gear is turned, and this pulls the chain putting mechanical force into the system.

  3. Direct-drive mechanism - Wikipedia

    en.wikipedia.org/wiki/Direct-drive_mechanism

    Direct-drive systems are characterized by smooth torque transmission, and nearly-zero backlash. [ 9 ] [ 10 ] [ 11 ] The main [ citation needed ] benefits of a direct-drive system are increased efficiency (due to reduced power losses from the drivetrain components) and being a simpler design with fewer moving parts.

  4. Wheel Horse - Wikipedia

    en.wikipedia.org/wiki/Wheel_Horse

    There were eleven models in four lines of lawn and garden tractors by 1974: the 8 hp (6.0 kW) "economy" A Series with standard 32-inch mower and electric or recoil start, the "compact" B Series with a four-speed or automatic transmission, the C Series offering four models (the C-120 and C-160 automatic, and the C-100 and C-160 8-speed and the ...

  5. Variomatic - Wikipedia

    en.wikipedia.org/wiki/Variomatic

    It is a stepless, fully-automatic transmission, consisting of a V-shaped drive-belt, and two pulleys, each of two cones, whose effective diameter can be changed so that the "V" belt runs nearer the spindle or nearer the rim, depending on the separation of the cones. These are synchronized so that the belt always remains at the same optimal tension.

  6. Continuously variable transmission - Wikipedia

    en.wikipedia.org/wiki/Continuously_variable...

    A cone CVT varies the drive ratio by moving a wheel or belt along the axis of one or more conical rollers. The simplest type of cone CVT, the single-cone version, uses a wheel that moves along the slope of the cone, creating variation between the narrow and wide diameters of the cone. Some cone CVT designs use two rollers.

  7. Roller chain - Wikipedia

    en.wikipedia.org/wiki/Roller_chain

    Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.

  8. Drivetrain - Wikipedia

    en.wikipedia.org/wiki/Drivetrain

    Engine and drivetrain of a transverse-engined front-wheel drive car. A drivetrain (also frequently spelled as drive train or sometimes drive-train) or transmission system, is the group of components that deliver mechanical power from the prime mover to the driven components.

  9. Friction drive - Wikipedia

    en.wikipedia.org/wiki/Friction_drive

    The large disk closer to the top is connected to the engine, the smaller one drives the wheels via chains (missing here). A friction drive [1] [2] or friction engine is a type of transmission that utilises the static friction of two smooth surfaces (instead of contact pressure of meshing teeth) to transfer torque between two rotating parts.

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