Roadmaster Active Suspension (RAS) overcomes the limitations of passive suspension by introducing mechanically active suspension to the rear leaf springs thereby conquering the traditional three-way load vs handling vs comfort conflict. Once fitted, RAS has the ability to store, dissipate and introduce energy to the system. Being mechanical its action is immediate, unlike hydraulics or air which take time to react. This immediate action is also variable, working in exact counter proportion to force applied, hence the term active.
Roadmaster Active Suspension kits consist of a set of two very powerful, variable rated, coil springs designed to support and assist rear leaf springs with up to a one ton carrying capacity.
Once installed, loaded tension from the eye-to-axle mounted coil tension springs hold the leaf springs in their original designed bowed position. When strain from load or vehicle weight shift is applied to the leaf springs, the stabilizers come into action immediately, absorbing the force of the load. Being variable rated, the greater the strain, the more counter-assistance force from the RAS unit.
By introducing a powerful ‘load absorbing‘ spring steel coil system to rear leaf springs, RAS greatly assists the carrying capability of the vehicle as stipulated by the manufacturers. RAS absorbs the load that would otherwise cause bottoming out and thereby provides the benefits of a more level and thus safer ride.
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