OCR Text |
Show Automobile Tires Hold -J Up Under Much Pressure That automobile tires will hold up nnder pressure many time? .'renter than the pressure that will blow up an - ordinary steam boiler was demonstrated demon-strated in a most unique test by tiro engineers. A pressure of 2.HK) pounds was applied to an ordinary stock tiro by means of hydraulic pumps without any damage to the tire. Water was pumped into the tire through the valve stem at a pressure of 2,(HK) pounds to the square inch. Hydraulic pressure was applied for the test in the absence of air pressure Brent enough to make the test. |