About: Friction drive   Sponge Permalink

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A friction drive or friction engine is a type of transmission that, instead of a chain and sprockets or gears, uses 2 wheels in the transmission to transfer power to the driving wheels. This kind of transmission is often used on scooters, mainly go-peds, in place of a chain.

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  • Friction drive
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  • A friction drive or friction engine is a type of transmission that, instead of a chain and sprockets or gears, uses 2 wheels in the transmission to transfer power to the driving wheels. This kind of transmission is often used on scooters, mainly go-peds, in place of a chain.
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dbkwik:tractors/pr...iPageUsesTemplate
abstract
  • A friction drive or friction engine is a type of transmission that, instead of a chain and sprockets or gears, uses 2 wheels in the transmission to transfer power to the driving wheels. This kind of transmission is often used on scooters, mainly go-peds, in place of a chain. The problem with this type of drive system is that they are not very efficient. Since the output wheel (leather covered wheel) has width, the area of contact is spread across various radii on the primary disc. Consequently, since the angular velocity varies as radius varies, the system must overcome these variances. The compromise is slippage of the leather to metal contact area which creates friction, which in turn converts much of the energy transfer of this system into heat. Heat generation also requires a cooling system to keep the transmission working effectively.
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