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How far could you drive on this puncture?


DJ_AS
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My other half suffered a puncture recently after her tyre was pierced by a Stanley knife blade, which she has presumably driven over (pics below). 

My questions is: how far could you reasonably expect to drive on such a tyre before it was completely deflated; alternatively, how long would you expect this tyre to remain inflated?
 
Note: angle is a bit deceptive here - the cut on the outside of the tyre is almost 3 cm long
35612525614_5c0a9c9da3_o_d.jpg
 
36401965076_94e5575150_o_d.jpg
 
35612524454_f6bc0deb54_o_d.jpg

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The cut on the outside is cosmetic providing the cords aren't exposed the entire length. As for how far can you drive on a flat tyre there's no set distance due to the variables including factors like the weather, heat, rain, snow and so on. Historically the only way to tell is by the condition of the inner sidewall?

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Thanks Tony - this happened a couple of weeks ago (25th July) when the weather was a bit better. My wife would've reached speeds of up to 70mph going to work.

 

I've just taken a look at the inner sidewalls and there appears to be no damage at all. In fact, the inner and outer parts of the tyre are near perfect save for the Stanley blade. 

 

We were just trying to ascertain whether this would've been a very fast deflation (on her work site, where there are builders present and hence Stanley knives potentially dropped) or whether she picked this up elsewhere and it only became noticeable once she'd got to work. 

 

The damage on the outside looks pretty awful (to my eyes), but the inner damage (which I've only just looked at) is nowhere near as bad.

 

Any further thoughts? Would you be comfortable repairing this tyre?

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I would repair the tyre providing the outside is just a cut in the tread. I would also say the tyre deflated slowly because the hole inside is small and the blade was still in place... When run-on the inner wall will show a crease and then friction will start to degrade the inner liner and start to de-laminate.

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Thanks again Tony. I think we were all a bit freaked out by the apparent length of the gash. With hindsight, perhaps we should've had the tyre evaluated professionally before getting it replaced at significant cost.

 

Lesson learned: don't judge a book by its cover...!

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