Internal vs. external TPMS temperature test results for warm weather

RV Tire Safety with RV tire expert Roger Marble Previously I posted the test results for my comparison of internal versus external sensor TPM systems. The weather was cool (“How accurate is your TPMS – Part two”) to cold (“More on internal vs. external TPMS temperature reporting”) back in March. Now I can report the results with the ambient temperature…

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Selecting alternate or replacement tires for large, heavy trailers

RV Tire Safety with RV tire expert Roger Marble I found a thread on a forum for folks who own large, heavy 5th wheel trailers. This info would apply to non-fivers too. While I understand the concern for the tire dimensions, that is NOT the most important specification. Number one is to ensure any replacement tire is capable of supporting…

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TPMS temperature readings: Important or not?

RV Tire Safety with RV tire expert Roger Marble As a tire engineer, I see little reason to present the temperature of the tire pressure monitoring system’s (TPMS) sensor. IMO, this extra information has some problems: 1. Tires fail from low inflation primarily due to air leaks (puncture, cut or valve problems) but not from just getting hot. You only…

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Tire info in owner’s manual and on certification label

RV Tire Safety with RV tire expert Roger Marble I have been looking at the “Tire Placard” aka Vehicle Certification Label for a number of 5th wheel trailers. I learned a few things. A couple of manufacturers have upgraded the tires on the newer units. Some went from ST235/85R16 LR-E to ST235/85R16 LR-F. The inflation went from 80 to 110…

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