When you air down for off-road, your speeds are quite low and unlikely to generate significant heat.
Now, if you drive at speeds above 30 mph with low tire pressures, you can generate alot of heat. But, the heat will be in the tread and sidewall - not the bead. There is no flexing in the bead area and it is cooled by the wheel.
Probably you had damage caused by either the wood or by the person who originally installed the tire.
Mike
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Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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