The A.E.C. Regal Mk. VI for Australia
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As reported in our issue of June 22, A.E.C,, Ltd., have developed a version of their Regal Mark VI chassis intended to meet the specialized requirements of Australian city transport undertakings. The principal departure from standard is the use of a Spicer Type 184 three-stage torque converter mounted behind the AI-1690 engine in place of the standard Monocontrol transmission. This gives fully-automatic operation, the torque converter being by-passed and direct drive engaged when the torque ratio approaches 1 to 1. The stall torque ratio is approximately 5.5 to 1. Forward or reverse drive and neutral are selected manually, by means of a constant-mesh gear train. A rear axle ratio of 6.85 to 1 is used on the prototype chassis but alternative ratios of up to 4.27 to I are available. Full air suspension of the type available as a regular option on this model is provided, each axle having two bellows units and location by parallel radius arms in a fore-and-aft direction• with a transverse Panhard rod.