Journal . tensible by theinsertion of wires or by other means, and the tyre holds itself on 72 THE MOTOR CAR PNEUMATIC TYRE. the rim. The raised sides or flanges of the rim form embank-ments/ which prevent the tyre slipping off; one of these flangesis detachable, and permits the removal of the tyre at will. As an engineering job, the straight-side tyre must appeal tomost people as the better of the two types. As will be seen byinspection of the cross sections shown in Figs. 7 and 8, it has alarger air capacity, meaning improved cushioning effect withincreased mileage. The straight edges or bea
Journal . tensible by theinsertion of wires or by other means, and the tyre holds itself on 72 THE MOTOR CAR PNEUMATIC TYRE. the rim. The raised sides or flanges of the rim form embank-ments/ which prevent the tyre slipping off; one of these flangesis detachable, and permits the removal of the tyre at will. As an engineering job, the straight-side tyre must appeal tomost people as the better of the two types. As will be seen byinspection of the cross sections shown in Figs. 7 and 8, it has alarger air capacity, meaning improved cushioning effect withincreased mileage. The straight edges or beads are simple andeffective, and do not call for the aid of security bolts to keep thetyre on the rim. The tyre never suffers from rim-cutting unlessrun upon in totally deflated condition. The flat beads are lesslikely to pinch the inner tube than the clincher beads with theirpointed toes. Comparison of the two types of tyres cannot, however, fairlybe made without bringing the question of rims under review,.
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Keywords: ., bookcentury1800, bookdecade186, bookpublisherlondon, bookyear1861
