Post 39623 (?) exploding tyres

Submitted: Wednesday, Nov 22, 2006 at 01:38
ThreadID: 39679 Views:2688 Replies:7 FollowUps:6
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This post gave anecdotal evidence of (apparently) , passive, unstressed tyres suddenly losing the plot. No replies from the boffins;

any Tyre Company reps care to offer an explanation? (Could be your chance to lift sales, fellas; I hear S. America is still user friendly, in parts.) Jeff H.
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Reply By: Member - Doug T (W.A) - Wednesday, Nov 22, 2006 at 02:50

Wednesday, Nov 22, 2006 at 02:50
What ...!!! have you got terrorist tyres ..and why are you still up

WOOOOOF

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AnswerID: 206300

Reply By: Footloose - Wednesday, Nov 22, 2006 at 07:14

Wednesday, Nov 22, 2006 at 07:14
This is news to me. I'm not saying it didn't happen, just that I've never heard or read about it before.
Closest thing I know is when my Padj air con hose blew after being sat for 3 hours. I was at work and the boss came in and told me that my car had just blown up !
Having a tyre do that would result in the same feeling I guess.
I'm waiting to find out how common it is, and if it can be avoided.
AnswerID: 206309

Reply By: Robin - Wednesday, Nov 22, 2006 at 08:06

Wednesday, Nov 22, 2006 at 08:06
See this happen once or twice and its usually related to heat.

Tyre Pressure is proportional to temp and a cover can often make it worse by allowing extra heat buildup when exposed to sun.

One that really scarred the hell out of me was 4am in the morning at Bordertown
when a tyre on a truck stopped at the service station blew up.

Talking to the driver he said it happens often , in this case its still heat even though it was on a wheel and at 4am.

The heat buildup from driving is keep under control by the moving cold air.

Stop for a fill up and the tyre temp heats up a lot before cooling.

Robin Miller
AnswerID: 206317

Follow Up By: T-Ribby - Wednesday, Nov 22, 2006 at 08:42

Wednesday, Nov 22, 2006 at 08:42
Thanks. I'll remove the black vinyl cover from the spare on the towbar of the trailer to allow some air circulation.

Terry-R
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FollowupID: 466217

Follow Up By: Pajman Pete (SA) - Wednesday, Nov 22, 2006 at 08:49

Wednesday, Nov 22, 2006 at 08:49
But then your tyre will suffer from UV degradation. I had an uncovered spare on the back of the Paj for 4 years before putting a cover on it. I took the cover off to check it just before my last trip and the tread had split at the side wall join for about 30 cm along the upper side of the tyre.

Pete
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FollowupID: 466219

Follow Up By: T-Ribby - Wednesday, Nov 22, 2006 at 12:18

Wednesday, Nov 22, 2006 at 12:18
Thanks. I'll replace the black vinyl cover on the trailer spare and drill air holes in it.
T-R
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FollowupID: 466260

Follow Up By: Robin - Wednesday, Nov 22, 2006 at 12:45

Wednesday, Nov 22, 2006 at 12:45
UV degradation isn't normally a problem if you rotate tyres as reccomended

Robin Miller
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FollowupID: 466269

Follow Up By: T-Ribby - Wednesday, Nov 22, 2006 at 18:33

Wednesday, Nov 22, 2006 at 18:33
True. What I will do though is to lower the pressure 6-8psi - easy enough to reinflate with my compressor when required.

cheers
T.R.
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FollowupID: 466345

Reply By: Shaker - Wednesday, Nov 22, 2006 at 09:06

Wednesday, Nov 22, 2006 at 09:06
I don't think there was any mention as to the age of the "exploding tyre", but it had probably been seriously damaged (possibly unknowingly) prior to being relegated to spare status.
AnswerID: 206327

Reply By: Alan H - Wednesday, Nov 22, 2006 at 11:00

Wednesday, Nov 22, 2006 at 11:00
When I worked on mine sites we had 2 dump truck tyres blow while the vehicles were on the "ready" line.
Both had been stopped for hours but unknown to anyone the tyres were laminating and while running about the pit this caused heat which eventually built up enough for the tyre to explode.
And did they go BANG, one blew the hydraulic tank and part of the cab right off the truck and the other not quite as bad but both would have been fatal to a mechanic or driver walking round checking the tyres before moving off.
The first to blow even shook the pub about a 2 kay away and sent pit bosses and other staff scurrying around believing a loader had struck some unexploded shot in the bottom of a blast hole.
I was working about 200 metres away and felt it and very glad I wasn't closer but both I and my offsider would have been around 30 minutes later.
Alan H.

AnswerID: 206352

Reply By: Member - Davoe (Nullagine) - Wednesday, Nov 22, 2006 at 12:53

Wednesday, Nov 22, 2006 at 12:53
absalutly - I had a spare on the back of my camper blow - one day it looked fine the next the sidewall was blown out ad it was destroyed
AnswerID: 206369

Reply By: kimprado - Wednesday, Nov 22, 2006 at 21:27

Wednesday, Nov 22, 2006 at 21:27
Jeff,

I responded to an earlier post on this.

I'd expect these spares are damaged in some form or another and over pressurised.

In high heat conditions the bleeding obviouce happens!

Poorly seated plugs will blow, or any tyres with fracture damage.

Its not rocket science.

Regards

Kim
AnswerID: 206454

Follow Up By: Member - Jeff H (QLD) - Wednesday, Nov 22, 2006 at 23:40

Wednesday, Nov 22, 2006 at 23:40
Kim, an hour back I related a yarn about a bus in Java blowing the spare tyre on the front left as it went over a speed bump at maybe 3 mph. Message got lost as in 'page unavailable' (Thank you David, Bigpond?)
Robin (?) offered that, at low speed, both temp and pressure rise, so -- bang.
Sorry to relate the abridged version - it contributes nothing to either the science or black humour of BLOODY tyres.
As previously posted, may the search for the Unholed Grail continue.(So far, Silent Armour/Amor) appear to have the common vote. Safe travel, JH.
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FollowupID: 466415

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