Acura NSX 1997 Service Manual page 280

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Description
Dual Mass Flywheel
The dual mass flywheel is designed to reduce the noise and vibrations produced by the engine, clutch, and transmission
during acceleration and cruising.
The flywheel assembly is actually two flywheels in one, which raises the inertia mass on both the engine and transmis-
sion. The inner and outer flywheels are connected by torsion springs. This combination effectively dampers changes in
engine speed before they are transmitted to the transmission.
Since there are torsion springs between the flywheels, none are used in the clutch disc, which lessens the inertia mass on
the mainshaft. This reduction of the rotating inertia mass reduces the load on the synchro rings, allowing the transmis-
sion to shift smoother.
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