DAIMLER.
Page 43
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Stand 71
MAKING its first appearance in London--although introduced at the Scottish Show last year—an important exhibit on the Daimler stand is the six-wheeled trolleybus. Equipped with a double-deck body of all-metal construction, this vehicle is powered by a Metropolitan-Vickers traction motor, all electrical apparatus being of this make. Rubber mounting is used for the power unit, and it is compound wound for regenerative control and rheostatic braking.
Other features include battery manceuvring equipment, vacuum or air-pressure braking sYstems, and the R.P. automatic brake adjusters, which are now a familiar item on Daimler vehicles. Resembling the six-wheeler, a four-wheeled trolleybus chassis is shown, which affords visitors a good opportunity of investigating its sturdy construction and every detail of its design.
Besides these electric machines, there are three oil-engined passenger vehicles, one shown as a chassis, one as a doubledeck bus and one as a 35-seater luxury coach, the last-named 'carrying a streamlined Duple body. In all three cases, a Gardner five-cylindered engine is installed, which transmits its power through a Daimler Fluid Flywheel and Wilson four-speed preselective selfchange epicyclic gearbox. Braking is by the Lockheed system with powerassistance, on the chassis and the double-decker, but on the coach, the Dewandre triple-servo system is employed.
Considering the bodywork of these two oilers, the double-decker is a Metropolitan Gammen Weyrnan pro duct of all-steel construction, and the machine is destined for Birmingham Corporation. The single-decker, with coachwork by Duple, has been built for United Services, Ltd.
On this stand, visitors appear to be attracted primarily by the oiler chassis, which has a gleaming show finish, and on it a number of new features must be inspected. For example, there is a new system of automatic chassis lubrication. Highly ingenious, it incorporates a device by which the various points are fed with lubricant in turn, a small quantity being delivered every time the brake pedal is depressed, the arrangement being such that at each depression of the pedal, oil is injected to one point, and at the next, to another. Servicing is thus minimized and oil economically used Co., Ltd., Daimler Works, Coventry