Leaf Spring Suspension Geometry

We ve often touted the benefits of leaf spring suspensions.

Leaf spring suspension geometry.

Where that line crosses the vertical center line of the axle is the roll center. Leaf spring is an important mechanism of suspension system in vehicles that is still widely used. Leaf springs are a crucial part of the suspension system of a car. It s interesting that gm would have cars with both four link and leaf spring suspension arrangements at the same time.

They prevent both forward and aft movement and minimize pinion angle change during suspension travel. Leaf spring suspension geometry leaf spring hanging tips and tricks. See all 13 photos. The most popular of those were 64 72 gm a bodies like the pontiac gto lemans tempest chevrolet chevelle malibu el camino monte carlo oldsmobile cutlass 442 and buick s skylark grand sport.

In automotive industry the motivation is to increase the capability to produce vehicles of. Leaf springs are directly attached to the frame either at both ends or at one end. They consist of a number of layers of leaves with a gradation in their size the bigger layer being on the top with each layer joined to the other. Secondly while they are doing this they also support the load of the vehicle.

In a leaf spring suspension the leafs themselves must perform 2 functions. Hotchkiss drive suspension fig. Leaf springs possess many desirable suspension features such as dampening forward bite roll over steer high anti squat percentage and high lateral stiffness. Although they are the oldest they seem to be the least understood.

The roll center height is the vertical distance from the ground to roll center. Leaf springs are the oldest form of suspension in racing. The roll center for a leaf spring suspension is found by drawing a line between the center of the forward attachment point a and the center of the upper shackle attachment point b. 10 84 a this is the conventional semi elliptic spring suspension which has each spring positioned longitudinally on each side of the axle and anchored at the front end directly to a spring hanger attached to the body structure and at the rear end indirectly via swing shackle plates to the rear spring hangers the axle being clamped to the springs somewhere near their mid span position.