GOODS & SERVICES: New Ideas, Aug. 13, 1956


Twin Tire. General Tire & Rubber Co.

will put on sale a standard-size tubeless tire with two sets of treads, separated by a center groove. Each tread has separate contact with the road, thus providing better traction and reducing wear.

Pint-Size Engine. American Motors has developed a 4-cylinder air-cooled engine weighing only 200 Ibs. v. Nash Rambler's 450-lb engine. Made largely of aluminum, the 62-h.p. motor occupies half the space of a conventional water-cooled auto engine. It will also be available next year in bigger units (6 and 8 cylinders) for use in autos, air-transported military vehicles, and stationary equipment,...

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