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A New Metal-body Construction

4th November 1932
Page 42
Page 42, 4th November 1932 — A New Metal-body Construction
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i'MN the stand of Crossley Motors, ILYLtd., at the forthcoming show to be held in Glasgow, there will be an interesting service bus, the 32-seater body of which is of light alloy construction. The body is the product of H. V. Burlingham, Ltd., Newhouse Road, Blackpool, and although outwardly it is of orthodox appearance, the framework embodies a new principle of construction. Each window frame, panel and mouldings, and window comprises a separate section, easily removable for replacement or repair. These units are moulded in silicon aluminium to the Admiralty specification. Amongst the features of this alloy are its resistance to fatigue, its non-corrosion or oxidation even under the worst conditions, and its tensile strength, which is from 9-10 tons. At the point where two sections are joined, a wood insert is used to insulate the metal members from one another.

The roof is constructed of H-section girders, with wood inserts to allow for the attachment of exterior and interior panels.

All the windows are fitted from the outside, and in the case of the 32seater standard service bus body to be exhibited, there will be three drop windows at the sides with a glass louvre above each.

Each main cross-bearer is in the form of an H-section girder, 8 ins. deep. This has a wood packing bolted to its top face for the attachment of the floor• boards. Each side section has, at its point of fixing to the floor members, an extension which is bolted to the side of a lateral floor bearer.

The whole of the exterior is panelled in aluminium, and although the mouldings are pressed on the side panels, they may be carried out in the usual way by screwing on a half-round-section moulding.

The weight of a 32-seater bus body, built on the Burlingham patent system is said to effect a saving in weight of at least 13 cwt. Outstanding features of the new system are the use of bolts with spring-locking washers, instead of rivets, for connecting the various component parts of the structure, the absence of joints in the various units and the ease with which damaged panels can be removed for repair or renewal.

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Locations: Glasgow

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