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Differentiate between Fluid flywheel and Torque converter.
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  • Fluid Flywheel is shown in the figure b.
  • It consists of two members the driving and driven member as shown. The driving member is attached to the engine and the driven member to the transmission shaft.
  • The two members do not have any direct contact.
  • Torque converter is as shown in the figure a.
  • The construction is very similar to that of the fluid flywheel expect for an additional stationary member called stator.
  • All the members have blades or vanes of specific shape.
  • Even though the construction is similar, the operation is not.
  • The fluid flywheel transmits the same torque as given as given to it by the engine shaft whereas the torque converter increases the torque in the ratio of 2:1 or 3:1.

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  • Thus the torque converter serves the same purpose as that of the gearbox whereas the fluid flywheel merely acts as a hydraulic coupling transmitting the same torque and power as that of the engine input.
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