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Video shows why tire interply shear happens

By Roger Marble
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RV Tire Safety

RV Tire Safety

with RV tire expert Roger Marble

As we head into the Christmas holiday, most of us are not thinking about our tires.

Here is a quick post that might help people with a better understanding of how and why tires can develop tread/belt separations. The video is focused on multi-axle RV trailers but ALL radial tires have this force that is called “interply shear.” It’s just more obvious on these trailers.

Now go finish your shopping. One gift suggestion I can make is a good digital pressure gauge. The gauge I use as my “Master” is the Accutire MS-4021-B digital tire pressure gauge. Learn more or order on Amazon.com.

Read more from Roger Marble on his blog at RVtiresafety.net.

 

 

Roger Marble
Roger Marblehttp://www.RVTireSafety.net
Retired Tire Design and Forensic Engineer w/50+ years of experience. Currently has Class-C RV. Previous Truck Camper, Winnie Brave, Class-C & 23' TT. Also towed race car w/ 23' open trailer and in 26' Closed trailer. While racing he set lap records at 6 different tracks racing from Lime Rock, CT, to Riverside, CA, and Daytona to Mosport, Canada. Taught vehicle handling to local Police Depts.

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1 Comment

Dave
7 years ago

To help reduce shear I always turn my fifth wheel as wide as possible, especially on pavement. Many times you can’t though, such as when backing into a tight spot. But when you can it does help reduce shear forces. Also inflating trailer tires to maximum sidewall pressures will help reduce it somewhat.

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