Another Blow Max Failure
2014 Jayco 5th wheel 3rd season. Blew @ 55 mph like a cannon. Air checked before each trip and during each trip. TPMS which went off immediately. Off road quickly, no damage. Tire has 2 blow out holes...
Forum Discussion
mabynack wrote:
I find it amazing that tire manufacturers can make Semi tires that will support an 80,000 lb semi, but can't seem to make an RV tire that will support a 14,000 lb RV. The OEM Goodyear tires on my RV lasted 5 years with no issues. I replaced them with the same model and they started popping after a year and less than 10,000 miles.
They can, and do. Problem is is that they leave no "safety margin" on ST tires and simply give a max weight and speed rate them. With zero margin almost =anything= that stresses the tire will send it to failure. I'd be willing to bet that if you cut apart a bunch of ST tires, then a bunch of P or LT tires of much lesser ratings, you'd see near-identical construction, but because the P/LT tires are meant for passenger use, the ratings are =much= lower. Just speculation on my part... What I can't figure out is why a tire company with a good highway LT tire doesn't re-brand that exact tire as an ST, bump up the load spec 10-15% and drop the speed rating to +/-70 mph. They'd likely kill the ST market. Makes way too much sense, so it'll never be done, I'm sure.
Lyle
