Quote:
Originally Posted by Tireman9
The inflation on a tire sidewall is the MINIMUM inflation pressure needed to support the MAXIMUM load (aosomolded o the tire sidewall).
There is a sound scientific reason to run higher inflation whe running tires on multi-axle trailers. It is called "Interply Shear". This force is what can result in belt/tread separtions. I have covered this in detail along with references to technical papers on the topic.
IMO you need a minimum of 15% "head-room" of load capacity over the leasuredload of the heavier end of an axle. (CAT scale only geves the total on an axle and very few RVs have 50/50 load split. Some oflks have discovered unbalance of 500 to 1,000#)
Most cars come with 20% to 40% tire load capacity headroom. I run 25% on my Class-C.
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so if a given pressure (below the tire's maximum) still provides the necessary headroom over the measured load, it's okay to run it, correct? Or am I not understanding something?