Wheel & Tyre - Dunlop Rubber Co., CN7 'Bluebird', Donald Campbell, 1964

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Summary:: Spare wheel and Dunlop tubeless tyre for Donald Campbell's 'Bluebird' world land speed record car. Campbell's 'Bluebird' set a new world land speed record of 403.10 mph (648.783 kph) on Lake Eyre in South Australia on 17 July 1964. Power was provided by a modified Bristol-Siddeley Proteus gas turbine engine. The custom-made wheel and tyre for 'Bluebird' were designed and manufactured by the Dunlop Rubber Co. in the United Kingdom. A specially designed high speed, remote controlled underground chamber was used to test and develop the wheel and tyre. The tyre has an outer layer of natural rubber over multiple layers of rayon cord and was inflated with nitrogen. The wheels were made by the Dunlop Rim & Wheel Co. They are steel forgings designed to rotate at about 3500 rpm and finely balanced.
Description:: Large silver metal wheel with black rubber tyre. The wheel hub is convex in shape.
Acquisition Information:: Loan & Subsequent Donation from Dunlop Rubber Australia Ltd, 1966

Discipline:	Technology
Dimensions:	1310 mm (Diameter)
Dimension Comment:	Outside diameter of rim only: 1130mm; Width of tyre only: 165mm

Tagged with:	motor vehicles, motor vehicle components, speed, wheels
Themes this item is part of:	Engineering Collection, Transport Collection
Primary Classification:	ROAD TRANSPORT
Secondary Classification:	Motor Vehicles
Tertiary Classification:	components - wheels
Inscriptions:	On side of tyre: MADE IN ENGLAND - FABRIQUE EN ANGLETERRE 7.0 - 41 05
User:	Mr Donald Campbell, Australia, 1964
Manufacturer:	Dunlop Australia Ltd, Australia, 1964