by Fnord666 on (#6TSPD)
Traditionally truck and bus drivers are known to use a small hammer or billy club to tap their tires, as a quick way to check for low air pressure. If you are driving an 18-wheeler, it takes a long time to put a pressure gauge on all those tires. Here's a thread discussing this technique, https://heartlandowners.org/threads/tapping-the-tires-with-a-hammer.31971/Now trade magazine TTI https://www.tiretechnologyinternational.com/news/intelligent-tire-technology/yokohama-begins-testing-of-ai-technology-to-gauge-air-pressure.html reports on the latest wrinkle on this old technique,