What is a variomatic transmission?

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.

Which transmission is used in scooter?

Scooters, underbones, and miniatures Modern scooters were often fitted with a throttle-controlled continuously variable transmission, thus earning the term twist-and-go. Underbone and miniature motorcycles often have a three to five-speed foot-shift lever, but the clutch is automatic (usually a centrifugal clutch).

Can you put an automatic transmission in a motorcycle?

For one, as the Motorcycle Legal Foundation explains, motorcycles don’t have step-through frames, while scooters do. Although called ‘automatic motorcycles’, the bikes here have either dual-clutch transmissions with automatic modes or one-gear transmissions. The former means the rider can manually shift if they desire.

Why CVT is not used in bikes?

In summary, existing bicycle transmissions fail to provide the full benefits of CVT technology. Derailleur or hub gear transmissions do not provide continuous drive train ratios, and the one bicycle CVT currently marketed loses efficiency due to slippage and increased weight.

How does the Variomatic system of transmission work?

The heart of the Variomatic system was a pair of belts which transmitted the drive from one pair of pulleys to another pair. Changes in the gear ratio were obtained by varying the operative diameter of the pulleys. The Variomatic transmission had six major components: two driving pulleys, two driven pulleys and a pair of driving belts to link them.

What kind of transmission does a two wheeler use?

Nowadays, a manual transmission or sequential type is a type of transmission used on motorcycles and Two Wheelers, where gears are selected in order, and direct access to specific gears is not possible. With traditional manual transmissions, the driver can move from gear to gear, by moving the shifter to the appropriate position.

How is the gear ratio determined in a Variomatic system?

The heart of the Variomatic system was a pair of belts which transmitted the drive from one pair of pulleys to another pair. Changes in the gear ratio were obtained by varying the operative diameter of the pulleys.

What was the function of a Variomatic belt drive?

Variomatic Belt Drive. The heart of the Variomatic system was a pair of belts which transmitted the drive from one pair of pulleys to another pair. Changes in the gear ratio were obtained by varying the operative diameter of the pulleys.