Dyson to Show Integral Outfit
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AT the Earls Court Show, R. A. Dyson and Co., Ltd., are to introduce a new van-bodied semi-trailer of unit construction with air suspension and Dunlop disc brakes. The light-alloy body, which has double-skin heat-treated aluminium sides and a translucent plastics roof, was built by Holmes (Preston), Ltd. It is 26 ft. 3 in. long and 8 ft. wide with an interior height of 7 ft.
Double doors are fitted at the rear and roller shutters 5 ft. 6 in. high and 3 ft. 6 in. wide are provided at each side. The body is known by Holmes as the Trunker and by Dyson, when equipped with their running gear, as the Aerovan.
The Dyson tandem-axle bogie employs the company's established air-suspension system using two long pillows and rectangular box-section surge tanks to which the axles are clamped. An airover-hydraulic mechanism connected to a standard two-line air-pressure system actuates the Dunlop disc brakes.
The hand brake is linked mechanically to the discs on one axle. Dyson are also to show a new four-wheels-in-line bogie. This has large rubber bushes to locate the springs and accommodate stub-axle oscillation.
A Holmes Trunker body is to he exhibited by Cranes (Dereham), Ltd., with their running gear in the Demonstration Park at Earls Court.
SILVER ROADWAYS CHANGE
ON Monday Mr. D. Boucher, London traffic manager, was appointed commercial manager of Silver Roadways, Ltd., in succession to Mr. W. A. Walmsley, who has resigned.