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HomeTagsRoger Marble

Tag: Roger Marble

RV Tire Safety: Will your tire blow up if you inflate it above its “Max PSI”?

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By Roger Marble Your tire says "Max xx PSI at Max Load of yyy Pounds". Will your tire blow up if you go above xx...

RV Tire Safety: Why did my RV have three tire blowouts?

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By Roger Marble I came across another post on an RV forum. I am sorry to report that many of the posters did not understand...

RV Tire Safety: Q&A’s on tire inflation; RVs are not the same as HD trucks

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By Roger Marble In this post I respond to an RVer's multiple questions on tire inflation, and explain how HD (heavy duty) trucks and RVs...

RV Tire Safety: Age-old question: More on tire pressure

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By Roger Marble Please forgive me if I sound like a broken record. I found another post on an RV forum on inflation. It's almost...

RV Tire Safety: Tire loads and inflation—a refresher

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By Roger Marble I just read another post on a FB page where more incorrect information on tire loads and inflation was published. Soooo, let's...

RV Tire Safety: Critical information is on vehicle certification stickers

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By Roger Marble The vehicle certification sticker has some critical safety information you should know. I don't expect you to memorize all the information. However,...

RV Tire Safety: Question about LTX vs. Agilis line of Michelin tires

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By Roger Marble I recently read this question on an Airstream forum: "I am replacing the Michelin LT225/75R/16/MS2 tires on my Airstream Serenity 29. I...

RV Tire Safety: How old is “too old” when it comes to tires?

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By Roger Marble I read this comment on an RV motorhome forum about tire life: "I continue to read posts indicating that tires will calendar out...

RV Tire Safety: What’s the best tire for my trailer?

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By Roger Marble "What's the best tire for my trailer?" We have all probably seen this question on an RV forum or two. The problem...

RV Tire Safety: Types of tire valve stem extensions and which to use

Roger Marble -
By Roger Marble Valve stem extensions come in two "flavors." One is a longer metal stem, and the other is some sort of "extender" that...

RV Tire Safety: DOT tire safety regulations

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By Roger Marble Occasionally I will get questions about some specific feature in a tire or am asked why tire engineers didn't design tires to...

RV Tire Safety: RVer thinks 65 psi in TT tires is too much; asks for advice

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By Roger Marble "65 psi is too much" was the opinion posted on an RV Tips Facebook page by Tom. He said: "OK, I can’t...

RV Tire Safety: Adjusting tire pressure because it’s cold outside

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By Roger Marble I ran across a series of posts on an RV forum on the need to adjust tire pressure because of changes in...

RV Tire Safety: A relevant question (plus much info) on 4-corner weights

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By Roger Marble Andy recently wrote to me about 4-corner weights, as follows: Good afternoon, Roger. I wanted to double-check myself regarding tire position weights. In...

RV Tire Safety: Are IR thermometers good for detecting low inflation in tires?

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By Roger Marble Here's a comment I read recently about RV tires: "I carry a heat gun with me. When I stop I check all...

RV Tire Safety: Why so much confusion on tire inflation?!

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By Roger Marble Why is there so much confusion on tire inflation versus max inflation versus my recommendation of +10%? Here's a question posted on an...

RV Tire Safety: Tire air pressure, not the tire structure, supports the load

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By Roger Marble As part of a discussion on tire inflation and cold weather I spotted one special post. I'm publishing it here, with the...

RV Tire Safety: It’s just a wheel. What can go wrong?

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By Roger Marble A wheel is just a wheel, isn’t it? That wasn’t the exact phrase used in a recent post, but it seemed to be...

RV Tire Safety: All about tow vehicle tire wear and TT tire inflation

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By Roger Marble Below is a question from the owner of an Airstream. My answer below that would apply to other brands of tow vehicles...

RV Tire Safety: What “size” are your tires? Part 3 – “TBR” (on Class A RVs)

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By Roger Marble This is Part 3 of a 3-part series. Finally, we move to Truck-Bus Radials aka “TBR” tires. These are seen on all the...

RV Tire Safety: What size are your tires? Part 2 – ST and LT

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By Roger Marble This is Part 2 of a 3-part series. Last week in Part 1, I covered Passenger (P) car type/size tires. This week we...

RV Tire Safety: Is it worth it to inflate tires with nitrogen?

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By Roger Marble Regarding nitrogen (N2) passing through (permeating) tire rubber more slowly than oxygen (O2) due to molecular size, are nitrogen molecules really larger...

RV Tire Safety: What “size” are your tires? Part 1

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By Roger Marble This is Part 1 of a 3-part series. What size tire is it? That seems to be an early response whenever you ask...

RV Tire Safety: Tire inflation recommendations for motorhomes

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By Roger Marble I recently received this request and supporting information regarding tire inflation: Can you help me find the proper tire pressure for the following? Winnebago...

RV Tire Safety: Are you qualified to drive an RV if you don’t know how to check the air in your tires?

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By Roger Marble This is a quick post on the need to know how to properly maintain your tire inflation; another personal opinion piece from...

RV Tire Safety: Do the math before you load something on your bumper!

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By Roger Marble I've been monitoring a forum thread about a guy who wanted to hang a 250-pound toolbox off a mount from the rear...

RV Tire Safety: My first-ever recommendation for a tire to buy

Roger Marble -
By Roger Marble If you review my blog posts and posts on various RV forums, or have even attended one of my RV tire seminars,...

RV Tire Safety: How cold does it have to be to set tire pressure correctly?

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By Roger Marble With thousands of new RV owners out there, the answer to the question of "How cold does it need to be for...

RV Tire Safety: Consumer Reports on RV tires. Helpful or fear mongering?

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By Roger Marble I had someone point out that the September issue of Consumer Reports (CR) had a couple of pages on RV tires and...

RV Tire Safety: Should I run ST tires on my trailer or can I use LT type?

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By Roger Marble When it comes time to replace your tires on your RV trailer you may have a few options. Sometimes you may also...

RV Tire Safety: TPMS alerts driver to a broken brake system

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By Roger Marble I saw this post that confirms what I have suggested as a possible additional benefit to running TPMS (Tire Pressure Monitoring System). TPMS...

RV Tire Safety: Is better tire wear AND better fuel economy possible?

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By Roger Marble We all see posts from people wanting better tire wear and better fuel economy. Here is some information from a friend, "Dr....

RV Tire Safety: Airless tires – Reality? Or just a pipe dream for RV owners?

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By Roger Marble Are airless tires a reality or just a pipe dream for RV owners? A friend recently sent me a copy of an article...

RV Tire Safety: Should you use the inflation that is listed on the tire sidewall?

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By Roger Marble Many RV owners do not understand the inflation and load information that is molded on the sidewall of the tires they own....

RV Tire Safety: Tire life – Why can’t I get a straight or consistent answer?

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By Roger Marble I've seen a number of posts on RV forums and Facebook asking why there are different answers to the question of when...

RV Tire Safety: UV protection for RV tires

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By Roger Marble This is a reprint of a post I did in 2014 on UV tire protection. The facts and data have not changed. For...

RV Tire Safety: Are tire pressure recommendations changing?

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By Roger Marble Here's a question from an Airstream owner about tire pressure: Hello All, "I have a 2020 Ford F-250 and an Airstream 33' travel trailer....

RV Tire Safety: How are speed limits on ST trailer tires determined?

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By Roger Marble Let's see if I can bring some Science and Engineering facts and history to this issue of speed limits on ST trailer...

RV Tire Safety: Does tire over-inflation cause so-called “blowouts”?

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By Roger Marble Are "blowouts" the result of running a tire inflated to more than the tire sidewall number? I think people are over-thinking tire...

RV Tire Safety: Does your TPMS “control” you? Or can you control it?

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By Roger Marble I saw a post on an RV Forum about a tire "blowout" on an RV that had a Tire Pressure Monitoring System...

RV Tire Safety: Speed in relation to the lifespan of ST-type tires

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By Roger Marble I saw this post on an RV Advice forum: "We have ST-type tires. Do we have to run less than 65 mph?...

RV Tire Safety: Can you change tire size or type on your RV?

RV Staff -
By Roger Marble As an actual Tire Design Engineer, I can assure you that there is more misinformation or partially correct information out there on...

RV Tire Safety: What is the “best” tire to buy for a travel trailer?

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By Roger Marble This question "What is the 'best' tire?" is usually framed as, "What tires should I buy for my RV trailer?" I usually stay...

RV Tire Safety: Are ST-type tires better because they have a higher “speed rating”?

RV Staff -
By Roger Marble I recently saw an RV forum post about better durability of trailer tires. The poster said: "Old trailer tires were rated to...

RV Tire Safety: Which tire expert is correct about tire inflation?

RV Staff -
By Roger Marble Internet "experts" have Dennis confused. Maybe I can help. Dennis said: "Okay. I've been RVing in Class A's for 40-plus years and...

RV Tire Safety: Like tires, windshield wiper blades need protecting

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By Roger Marble I had a windshield wiper blade fail when I pulled my RV out of storage before I headed south to the FMCA...

RV Tire Safety: What’s the “best” TPMS? What are important features?

RV Staff -
By Roger Marble No, I don't want to start a fight. Probably everyone that already has a TPMS (Tire Pressure Monitoring System) will say that...

RV Tire Safety: Is “sealant” a good fix for a flat tire?

RV Staff -
By Roger Marble NHTSA (DOT) – Improper Repairs: “A plug by itself is not an acceptable repair” to fix a flat tire. “The proper repair of a...

RV Tire Safety: Do you have, or even need, a spare RV tire?

RV Staff -
By Roger Marble Do you have, or even need, a spare RV tire? That's a reasonable question. I have previously published some information on having...

RV Tire Safety: Do black tire covers protect your RV tires?

Roger Marble -
When discussing whether or not black tire covers protect your RV tires, it might help to first review my original post that included actual...
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