Before this topic goes in the wild, look again at my post on page 1 wich i quoted . TS check if the data used are right or correct them and I will adyust my advice.
My conclusion is that the tire makers calculate the maximum load for the AT-pressure and speedcode of tire, and then so that still no overheating when riding at speedcodes speed and maximum load on tire in an ambiënt temp of maximum 40 degr C/105degr F and then no damage to tire . Speel , load, higher and/or pressure lower than that combination and tire damage begins.
jadatis wrote:
Made picture of my filled in calculator and used you real weighed total load of 12600lbs and assumed because american 10% towbarload.
Tires I found on Sailun site as 3750 lbs maxload Loadindex 126 and speedcode L = max speed of tire 120km/75m/h.
Asumed your 5thwheeler to have 2 axles so single load maxload .
But if I am wrong correct me.
Also lowered the loadindex by 4 to 122 to give the tire a deflection that would be needed for 160km/99m/h, so saver and fulesaving and still no bumping. then it would give 105 psi as advice , and must be seen as maximum pressure with no terrible bumping, and maximum reserve for things like pressure loss in time , misreading of pressure etc etc.
Here the picture wich gives lowest pressure to have with no damage to tires and combined more load and unequall load R/L of 1260 lbs possible.
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