UNDERINFLATION IN BALLOONS.
LOWER TYRE MILEACE. Now that balloon tyres are coming into such wide use, the necessity of constant air pressure is important, says a tyre expert, in the Goodyear News. When high pressure tyres were universally used, the escape of several pounds of air made but little difference. Now it is a. known fact that when the pressure in a balloon tyre drops more than three pounds, it begins to have a serious effect on the wear and general performance of the tyre. There is, on an average, a leakage of 10 per cent of the air in a tube per week.
If a motorist attempts to use his tubes too long, he is bound to get slow leaks, tube pinches and flat tyres with increasing regularity. Meantime, he is ruining good cas-
The cost of a new tube is saved by preventing uneven tread wear alone cr fabric breaks in the carcass of the casing, due to under-inflation. Wise car owners refuse to take chances on old tubes. They have found that one of the best ways to ensure long, trouble-free mileage is to first buy good casings and then equip them with new, live-rubber tubes that will hold air constantly, and give the casings the right kind of support.
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Putaruru Press, Volume VII, Issue 295, 4 July 1929, Page 7
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213UNDERINFLATION IN BALLOONS. Putaruru Press, Volume VII, Issue 295, 4 July 1929, Page 7
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