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 Ask my anything about tires, I am a tire engineer

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MISMan
post Jan 18 2023, 04:30 PM

Enthusiast
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Senior Member
718 posts

Joined: Apr 2009
From: KL


QUOTE(epjx31 @ Jul 10 2022, 06:42 PM)
Hey guys,

As some of you have seen me posted before, I am a tire engineer working for one of the top 4 premium manufacturer. I write mostly about tires on my blog here https://toptirereview.com/. My ultimate goal is to enable consumers to make a more knowledgeable decision when it comes to buying tires and I hope I can do so by using my website as a medium of information.

Anyways, since I am bored and its Sunday, I would take questions related to tires.

Feel free to ask any questions in regards to tires and I will try to answer as good as I can.

Thanks!
*
Hi TS,

Thank you for offering such a great service to the community!

I have a question:

Run Flat tyre - 18". My tyre picked up a screw at the sidewall and tyreshop said "it might explode when they try to pull it out (a new tyre may be needed"

Is that true on the statement above and what causes it to explode and not for ordinary tyre (non-run flat). Would u know why?

As i know, run flat tyre has thicker and tougher sidewall. He just pulled it out and didnt explode n yet he didnt bother to patch up the hole.

Thanks!



MISMan
post Jan 18 2023, 06:11 PM

Enthusiast
*****
Senior Member
718 posts

Joined: Apr 2009
From: KL


QUOTE(ktek @ Jan 18 2023, 06:03 PM)
maybe shop was mentioning old type run flat.
new one will not explode, but still leak. so we need to patch d hole. same as normal tyre
otherwise u let it leak until low pressure then drive long distance generate high heat explode
*
I only know there is 1 type of run flat tyre. Are there many types?

Mine was date year 2020. Older type or newer type?

My tyre pressure maintains...may he did patch it... (cant remember that well)



MISMan
post Jan 19 2023, 12:18 PM

Enthusiast
*****
Senior Member
718 posts

Joined: Apr 2009
From: KL


QUOTE(epjx31 @ Jan 19 2023, 10:26 AM)
Sidewall puncture is not recommended for repair as this area incurs the highest amount of stress during normal use. Hence sidewall damage is usually classified as unrepairable.

Just to clarify tires would not explode !!!!! It is not made out of explosives.

The cause of concern is when you are running the tire at high speed, a sudden lose of pressure would force your tire to rotate without sufficient support as air is not longer present to withstand the load. Hence this cause a big "show" as your tire will degrade badly due to the high forces being exerted on it.

Hope this helps
*
Hi,

Just to clarify that when tyreman said "it might explode was due to sudden high pressure release or something like that" (from his past experience). <- that was why i want to know if this can be true (or to what extent)

Thanks


 

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