Porsche 911 GT3 RS User Handbook Manual page 39

Magnetorheological fluid
in an unmagnetised state
Magnetorheological fluid
in a magnetised state
acceleration values are constantly
recorded by sensors and the stiff-
ness of the two engine mounts is
changed automatically according
to the driving style. This is
achieved using a magnetisable
(magnetorheological) fluid and an
electrically generated magnetic
field. The magnetisable particles
align with each other and the fluid's
viscosity changes. This alters the
stiffness and absorption of the
engine mounts: softer for greater
comfort and less vibration when
driving normally, harder for a more
direct driving feel when driving
more sportily. Similar characteris-
tics to those of the 911 GT3 race
cars where the engine is bolted
directly to the body.
The dynamic engine mount
system also reduces the vertical
oscillations of the engine when
accelerating under full load. The
result: greater and more uniform
· 49 ·
Dynamic engine mount system
force on the rear axle, increased
traction and better acceleration.
In everyday driving and on the
racetrack, this means more
stability in all driving situations.