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Unread 06-13-2016, 09:31 PM   #1
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Default Incident with tires..

Recently, I spotted 3 nails in my tire. I brushed it off as freak accident, but I was feeling bit iffy since I had never had 3 nails in a tire with such close proximity grouping. A day later after my happening, friend called me about how he found 4 nails in his rear motorcycle tire. I knew his ex gf in the past has done similar act to him once with his brand new bike... so I tried to ease his paranoia by advising him that if someone had such feeling towards you, or if a stranger with bad intent did this, most likely they could have just as easily slashed the tire or messed with his side-wall of the tire since both would result in a flat and the need to replace the tire it self. But he is bent on believing some entity did this to him on purpose (cough... his ex gf).

Had anyone else experienced odd happenings with tour tires in the past? I've heard stories about people witnessing a semi-trucks tire exploding next to them while on the highway and witness the accident that ensued... I've even heard funny stories about how someone turned their tires into winter tires by way of inputting tons of screws into their tires but ultimately messed the tire up etc.

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Unread 06-14-2016, 02:21 AM   #2
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Well, if there are nails on the road they tend to come fro nearby construction sites and in that case - there usually are quite a lot of them.

As for tires exploding - well of course it happens, but it's normally the result of dire underinflation more than anything else.

Nailing tires so as to convert them into winter tires is bullocks. Winter tires don't have nails - tires used specifically for ice do.

And anyway, those nails are pointing out of the tread (so as to create mechanical grip) rather than being pinned into the tire, as is the case you are describing.

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Unread 06-14-2016, 08:31 AM   #3
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i have witnessed truck tire come apart next to me, it did not really blow up, just edge portion came off, came flying, almost hit my car. i see those pretty often laying on the side of the road, my guess, they come from remanufactured tires.

as for nails it is possible someone did it, but it would be faster easier to just slash them, or poke the sidewalls with a flat screwdriver.
latest thing, people slash tires halfway, so you have a flat while driving, i had that happen to me once, on 2 tires.
people do crazy things to tires, that includes screws, yes it would give you better traction on ice. head of screws are enough to get a grip on ice, there are actually studs you can buy and screw into your tires, even with manufactured studded tires, some studs barely come out from the tire, while others pretty long, depends on where you'll be using them.

Last edited by deltaolds; 06-14-2016 at 08:56 AM.

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Unread 06-14-2016, 11:09 AM   #4
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Quote:
Originally Posted by deltaolds View Post
i have witnessed truck tire come apart next to me, it did not really blow up, just edge portion came off, came flying, almost hit my car. i see those pretty often laying on the side of the road, my guess, they come from remanufactured tires.
Not necessarily. The main mechanism of blow-outs (and like you said - the tire needn't literally blow-up, it can just disintegrade) is due to under-inflation, although defects in tires and tire aging can also be factors.

The less air is in a tire, the softer it is structurely. The softness of the tire sidewalls act as another spring in the suspension. Because a tire has many layers, this spring movement creates friction and thus heat.

Too soft can lead to too hot and wear down the tire sidewall to the equivalent of a coil spring binding. The internal heat builds up the most in the corners of the tread, where it meets the sidewall, because there the tire is particularly thick and multi-layered.

An entire tire can also peel off of the rim, but that is far more rare. It requires very severe underinflation and a hell of a lot of lateral load to do so.

I don't get snow and ice in my whereabouts, but as best as I know one cannot just jab nails into a standard tire to convert it to winter use. It's not likely to stick, could be disludged very dangerously at other road users, and without proper compounds and tread pattern to boot would be quite ineffective at generating grip.

I should address the subject of tire grip and using the performance envelope more effectivelly in the future, but there are other subjects to touch upon first.

Last edited by Drivemaster; 06-14-2016 at 11:18 AM.

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