Blow Out tire on Rockwood ultra lite 8289WS

[Tireman9]

Originally Posted by rockfordroo

On the way to my in-laws tonight, I passed two Jayco's being pulled by two separate pickup trucks (one hybrid, one TT). The pickups both said Hillside Trailer Sales, which Google says is in Minneapolis, MN. The speed limit was 70 mph. I was doing 75 mph. I passed them, but they were going at least 72 mph.

I passed them in Madison, WI, which is 270 miles from Minneapolis. I would bet they'd been going that fast most of the way from Indianapolis, so I suspect at least 500-600 miles at 70+mph.

So I'm wondering if many peoples issues with "lousy China bombs" is really due to the over stress of perfectly good tires during delivery, that then manifests itself as a blow out months later?

You are correct in your suspicion that failures seldom occur at the first exposure to overloading or over speed or under inflation. It can take miles and sometimes days or even weeks of abuse to cause a tire to fail. I have documented that even a failure caused by a sidewall impact can have a delayed reaction that could be days under the right circumstances.

Damage to the tire structure is cumulative and tires do not repair themselves. The point of failure is reached when the accumulation exceeds the finite life that is built into a tire.

[Fivealive]

Originally Posted by rockfordroo

On the way to my in-laws tonight, I passed two Jayco's being pulled by two separate pickup trucks (one hybrid, one TT). The pickups both said Hillside Trailer Sales, which Google says is in Minneapolis, MN. The speed limit was 70 mph. I was doing 75 mph. I passed them, but they were going at least 72 mph.

I passed them in Madison, WI, which is 270 miles from Minneapolis. I would bet they'd been going that fast most of the way from Indianapolis, so I suspect at least 500-600 miles at 70+mph.

So I'm wondering if many peoples issues with "lousy China bombs" is really due to the overstress of perfectly good tires during delivery, that then manifests itself as a blow out months later?

I raised this question on another forum after witnessing an 80+ mph romp and was told they wouldn't do that because of poor fuel economy, so we must have just imagined what we saw.

[rockfordroo]

Originally Posted by Fivealive

I raised this question on another forum after witnessing an 80+ mph romp and was told they wouldn't do that because of poor fuel economy, so we must have just imagined what we saw.

That makes sense when YOU'RE pulling YOUR trailer. But when you're an "employee" pulling someone else's trailer and that someone else is paying for the gas, that argument goes out the window.

[Limey]

Trailer Tires are only rated for 65mph, so you can expect problems, not too mention what happens when any trailer takes control of the tow vehicle. Not a nice situation.

[rockfordroo]

Originally Posted by Limey

Trailer Tires are only rated for 65mph, so you can expect problems, not too mention what happens when any trailer takes control of the tow vehicle. Not a nice situation.

Rated for 65mph isn't necessarily true anymore. My Constancy LY188's say "Speed Rating: “L” (75mph/120kmp Max)" on them.

But I suspect most TT tires are still rated at 65 mph.

But if more of them to going to 75 mph, then maybe the number of "china bomb" complaints will drop.