Leadership

The Polack Tyre and Rubber Co.

Issue 11 and Volume 52.

The Polack Tyre and Rubber Co. The steadily increasing use of motor trucks for fire department service emphasizes the need of truck tires that will absorb the greatest possible proportion of the vibration incident to heavy motor transportation. In the United States the standard sectional height of truck tires of all sizes is about 2 ¾ inches, while the practise in Europe is and has been to vary the sectional height of the tire in proportion to its width, so that while the section of a 3 1/2-inch tire is about 2 ¾ inches high, a 6 1/2-inch tire is 4 inches high. This greater volume of rubber in the larger tires increases their resiliency, causing a speedier and smoother running truck and at the same time protects the mechanical parts of truck and fire apparatus. Of even greater importance than form of the tire is the material which goes…

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