Why do road vehicles have pneumatic tyres?
Pneumatic tyres help to cushion the vehicle against bumps, ruts and other inequalities in the road surface. This levelling effect of the tyre is achieved because of the compressed air which is inside the rubber casing.
Until about 1900 all road vehicles were fitted. These were very unsatisfactory. When a tyre struck an obstacle on the road surface the shock often damage the vehicles mechanism permanently. In any case the effect was most uncomfortable for the passengers, and the roads then had holes and potmarks, which made driving over them dangerous.
The adaptability of pneumatic tyres gives them a firmer grip on the road and enables the driver to steer, change speed and go around corners more safely.
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