Here is an excellent article about tire pressure from ADVRider.
"The Science of Tire Pressure: Mastering Grip, Performance, and Safety in Adventure Riding"
https://www.advrider.com/the-science-of-tire-pressure-mastering-grip-performance-and-safety-in-adventure-riding/
“We treat shock preload like rocket science, but tire pressure is still just a number we feel looks right.”
Jerry
"I ride because it frees my mind from the tyranny of petty things."