128 Engine to bodychassis mountings

Engine mountings are normally arranged to provide a degree of flexibility in the horizontal longitudinal, horizontal lateral and vertical axis of rotation. At the same time they must have sufficient stiffness to provide stability under shock loads which may come from the vehicle travelling over rough roads. Rubber sprung mountings suitably positioned fulfil the following functions:

1 Rotational flexibility around the horizontal longitudinal axis which is necessary to allow the impulsive inertia and gas pressure components of the engine torque to be absorbed by rolling of the engine about the centre of gravity.

2 Rotational flexibility around both the horizontal lateral and the vertical axis to accommodate any horizontal and vertical shake and rock caused by unbalanced reciprocating forces and couples.

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