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Archive for December, 2004
Question 35 HI! Can you mix different brand of tire for the front side and the back side. like 2 in the front of the same brand, and 2 same on back end? Absolutely so long as they are the same size tire.
Question 41 How often should tire pressure be checked with a tire pressure guage and how many psi can a tire lose in cold weather? A tire looses 1 psi for every 10 deg F drop in temperature. Tire pressure should be checked a minimum of every 30 days.
Question 33 What is the size of a standard low profile tire? This is a pretty broad question so forgive my a broad response. You can get a low profile tire for just about any wheel size you want. The standard truck tire is an 11R22.5 the corresponding low profile size is the 295/75R22.5.
Question 31 What is the average mileage life of a G647 tire in the 19.5 size used in P&D operations? ? John -
Question 32 Is there an accepted method for calculating the footprint (area in inches^2) of a semitrailer tire? I have tried contacting certain manufacturers and been unable to get this information from them. The tire I am specifically interested is a trailer tire size 11R22.5 with a pressure of 100 psi with a maximum load applied. Each manufacturer has their own proprietary method for calculating the footprint shape which drives even tread wear. This may explain why you have not had any luck in your quest. However, many manufacturers, Goodyear included, publish the gross contact area for their tires in their engineering data books. See www.goodyear.com/truck for a copy of Goodyear's book. |
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