NEW CAR TYRE
REV OLUTION ARY DESIGN. The first passenger automobile tyre to be designed with a triangular instead of a round cross section, a tyre of revolutionary type which may bring changes in motor car design, was announced by the General Tyre and Rubber Company in Akron, Ohio, recently. The new product, called general streamline jumbo, eliminates automobile wheels. With almost straight streamline side walls, the tyre will carry two and a half times the volume of air contained in the oi*dinary balloon tyre for the same size car, and will operate at about one-tbird of the air pressure required for ordinary balloons.
The tyi'e is of pyramidal design, with its apex at the tread and the broad base attached directly to an enlarged hub. Its perfeetion follows two and a half years of experimental research and development work. The new product marks the first advance over the "doughnut" type of low pressure, large air volume tyre, as it is the only type that does not spread out on the road as the tyre flexes. When infiated and under load, the jumbo does not assume the form of a flattened circle and it avoids the tendency to side roll found in the "doughnut" type of balloons at low pressure.
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Bibliographic details
Rotorua Morning Post, Volume 1, Issue 152, 19 February 1932, Page 7
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210NEW CAR TYRE Rotorua Morning Post, Volume 1, Issue 152, 19 February 1932, Page 7
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