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Roger Marble

Roger Marble
452 POSTS50 COMMENTS
http://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.
Maintenance & Repair

RV Tire Safety: Tire “reserve load” calculations

Roger Marble - 0
I ran across a post on tire Reserve Load or Reserve Capacity that suggested the RV owner had been given incorrect information. Here are...
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Maintenance & Repair

RV Tire Safety: More information and warnings on tire inflation

Roger Marble - 0
with RV tire expert Roger Marble After posting on one RV forum some steps that I felt if taken could result in longer tire life...
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Maintenance & Repair

RV Tire Safety: More on Goodyear ST- versus LT-type tires

Roger Marble - 6
with RV tire expert Roger Marble Had a couple of comments on my recent post on LT versus ST type tires for RV trailers. Alain said: "Now,...
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Maintenance & Repair

RV Tire Safety: Is it against federal regulations to change tires on an RV?

Roger Marble - 4
with RV tire expert Roger Marble I have been following a series of posts on RV forums where people ask about changing tires (size, type,...
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Maintenance & Repair

RV Tire Safety: Yes, you do need “bolt-in” metal valve stems with your TPMS

Roger Marble - 11
with RV tire expert Roger Marble This is a comment I came across on a TPMS story on a Sprinter RV forum: "My new tire pressure...
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Maintenance & Repair

RV Tire Safety: Why inflate your tires to their max when parking for a long time?

Roger Marble - 3
with RV tire expert Roger Marble I had a question about what inflation to run when parking your RV or other vehicle for a long...
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Maintenance & Repair

RV Tire Safety: Heat, high speed and the “magic” in ST tires

Roger Marble - 7
with RV tire expert Roger Marble Heat generation is primarily the result of a combination of high speed, high load, and low inflation. Factors that...
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Maintenance & Repair

RV Tire Safety: Air compressor – How big do you need?

Roger Marble - 17
with RV tire expert Roger Marble While air volume output might be a consideration, IMO if you are properly inflating your tires and properly monitoring...
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Maintenance & Repair

RV Tire Safety: Tire warranty – How do engineers “read” tire conditions?

Roger Marble - 7
with RV tire expert Roger Marble I read the following on an RV forum: "Carlisle Tire's warranty used to state 'tires must be inflated to sidewall...
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Maintenance & Repair

RV Tire Safety: Do not unnecessarily bleed off high air pressure

Roger Marble - 5
with RV tire expert Roger Marble "I bleed off the high air pressure so I don't exceed the 'Max Pressure'." The above statement or a variation...
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Maintenance & Repair

RV Tire Safety: LT versus ST tires for RV trailers

Roger Marble - 10
with RV tire expert Roger Marble It's no longer 1970 with a national 55 mph speed limit and with ST tires being introduced, i.e., "pushed,"...
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Maintenance & Repair

RV Tire Safety: “I never hit a pothole” – so why did the tire fail?

Roger Marble - 11
The title for this post is a direct quote made by many people who have suffered some tire failure. If you think about this...
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