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-   -   Punctures to write home about (https://forum.a8parts.co.uk/showthread.php?t=5478)

David's8 9th October 2012 08:00 AM

Given the catastrophic failure of the tyre I think you were lucky Mike to make a controlled stop. Glad you are OK. Would you recommend Federal tyres after that experience? :(

Dezzy 9th October 2012 08:28 AM

Quote:

Originally Posted by David's8 (Post 47626)
Given the catastrophic failure of the tyre I think you were lucky Mike to make a controlled stop. Glad you are OK. Would you recommend Federal tyres after that experience? :(

After a few years fitting tyres this type of failure is not restricted to cheaper or lesser known brands, it only takes a small defect in manufacture or even a pothole catching the iner edge of the tyre and causing an “egg” in the inside wall combined with heat and pressure and BANG. That tyre has also been run flat for a bit too as seen by the black dust so the rip would have been smaller to start with.

What i will say is that Michelin always wanted the casing back to check it, as all the manufacturing deatails are on it, where, when ect.

Well held though Mike just as well you were not on a flyer. That said how’d the car track with the flat, when I had the front one go it was quite hard to tell really. I know how that sounds (you must be pretty stupid not to realise) what I mean is the 8 tracked well with a flat on the front, it would have done 20 – 30 mph no problems at all with the front tyre flapping around.

David's8 9th October 2012 08:51 AM

Quote:

Originally Posted by Dezzy (Post 47630)
. That said how’d the car track with the flat, when I had the front one go it was quite hard to tell really. I know how that sounds (you must be pretty stupid not to realise) what I mean is the 8 tracked well with a flat on the front, it would have done 20 – 30 mph no problems at all with the front tyre flapping around.

I had a puncture the other day on the nearside front. (Nail clean through the main surface - not a sidewall) and the car immediatley started pulling to the left as it started deflating. I was at 30mph. It was very noticeable so I managed to stop before any further damage occurred. +++

sarg 9th October 2012 09:33 AM

Quote:

Originally Posted by Dezzy (Post 47630)
That said how’d the car track with the flat, when I had the front one go it was quite hard to tell really. I know how that sounds (you must be pretty stupid not to realise) what I mean is the 8 tracked well with a flat on the front, it would have done 20 – 30 mph no problems at all with the front tyre flapping around.

I had front offside go on my 4.2 QS D2 at about 95 mph on the M6 toll road - I seriously only knew because of the smell.

4 up in the car, I'm like "anyone smell that, what is it?"

I even took my hands off the wheel to see if she was still tracking straight - she was!

I can only assume that despite the deflation, the speed of the revolution of the wheel somehow kept everything together

PsYcHe 9th October 2012 09:37 AM

The lower the profile, the more likely it is to track properly as mentioned earlier.

Runflats are basically just thicker sidewalls, so if you look at low-profile XL tyres, they have thicker sidewalls, especially if they have rim protectors.

Conan_the_Librarian 9th October 2012 08:01 PM

I reckon hat the Tyre had been flat from when I had gone onto the A38. The bang was probably the side wall detaching. I had been running straight and steady for a while following my son. I must have picked up the puncture a while back and run flat for 25 miles or so. They were fitted new in 2010 and had done about 18k. :(

PsYcHe 9th October 2012 08:45 PM

Just thinking back.. had a similar incident in a J-plate Cav SRi (one of the last 8v 130hp ones), felt it twitch heavily coming from the M77 on to the M8 (for those in the know), twitched again coming on to the bridge and by the time I pulled over on the North side, it was in a similar state, smoking away quite merrily, but no bang,inside was trashed though.

47p2 9th October 2012 10:53 PM

It does look like it has been run a fair bit after the puncture

Dezzy 10th October 2012 06:59 AM

Quote:

Originally Posted by Conan_the_Librarian (Post 47693)
I reckon hat the Tyre had been flat from when I had gone onto the A38. The bang was probably the side wall detaching. I had been running straight and steady for a while following my son. I must have picked up the puncture a while back and run flat for 25 miles or so. They were fitted new in 2010 and had done about 18k. :(

Just a tyre mate at least you're alright and more importantly the 8's ok

roboblob 10th October 2012 03:10 PM

Just stick the picture of the good side on ebay with the words "Tyre for sale,may require puncture repair ,6mm of tread" That will sell +++


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