| 摘要 |
A three-wheel motor vehicle has a central rear wheel and spaced steerable front wheels which are driven by a front mounted transverse engine and transmission unit. This arrangement offers the combination of maximum stability and front wheel drive and steer with the maximum weight on the front wheels. The key feature is the stability base correctly disposed in such manner that all weight transfer from back to front due to track gradient, forward or transverse, or braking is absorbed by a progressive width of base. This stability feature automatically accommodates the front wheel drive and steer assembly which is incorporated in the transversely mounted engine and transmission unit which in turn meets the requirement of weight in front and the adhesion for driving, braking and steering. All the components necessary for this front end design are already known and used on 4 wheeled chasses but the important stability feature is peculiar to the 3-wheeled chassis. <IMAGE>
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