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Air Suspension for Dutch Ley lands

23rd January 1959, Page 137
23rd January 1959
Page 137
Page 137, 23rd January 1959 — Air Suspension for Dutch Ley lands
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AN air-suspension system which has been developed by Leyland Motors, Ltd., for test by the Netherlands Railways is to be exhibited by Leyland-Holland N.V. at the Amsterdam Show, which opens next Friday. It is purely experimental, and is not being fitted to the 600 buses already being supplied to the Netherlands Railways under current contracts.

The system works in conjunction with leaf springs, which support approximately 90 per cent, of the unladen sprung weight. The excess load is carried by the air springs. The leaf springs provide longiindinal and lateral location in addition to torque reaction.

The suspension is to be shown as applied to a rear axle. Four Dunlop Pnefiride double-convolution bellows are

incorporated, there being bellows behind and ahead of the axle beam On each side. The bellows are carried at the ends of inverted. U.-members, the .loop of the U being above. the axle beam, with the leaf springs above them. The ends of the leaf springs are conventionally mounted on the chassis frame, with single shackles at the rear ends.

Two levelling valves are mounted on the inside of the frame side members, and telescopic dampers are provided.

DAVID BROWN WORKING ON rt4111TARY VEHICLE

SECRET work on a vehicle with a military potential is being undertaken by David Brown Industries, Ltd., it was revealed last week. The news was given at a Ministry of Housing inquiry, when the eompany contested a decision by Warwickshire COunty Council and Meriden Rural District Council. refusing :them permission to set up a design and planning centre in a former R.A.F. operations room at Balsall Common. Birmingham.

Mr. J. R. Densham, chief projects engineer, said qualified staff to work on the design could be found only in the Midlands. A site away from the city centre was required to keep the work secret.

For the councils it was stated that the project would upset their green-belt scheme. They were supported by Balsall Parish Council and by a local landowner.

The Ministry's decision will he announced later.


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