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Forums / 6. Road Conditions / Trailer tyre blow out

6. Road Conditions

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Trailer tyre blow out

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03 May 2016 @ 17:08:07 pm
It'l dodat
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Hi All back from Bloemhof..

Don't care how much "gear to fix a flat' you got, Aint gonna do this baby much good...

Happened at around 03:00 somewhere before Wolmaransstad going there...

Convinced it was an over enthusiastic pressure gauge at a garage where I checked tyre pressures….

Instead of 2.5 I made it 3.5 as the other one (when I checked with my own gauge was 3.5 as well)…

Anyhow, I put on the spare and doddled on to Bloemhof, and came back on Moaning day...

Problem is Moaning day was a public holy-day and nobody was open! Found an african dealing in tyres in Wolmaransstad, an 450 zuptas and a bit of energetic work later all well and the spare is a spare again.

He taught me someting worth knowing.... Once the tyre is on the rim check for leaks around the rim - rubber as well...

interesting.

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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03 May 2016 @ 17:13:57 pm
bassbuster
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Thank God you were all ok and nobody was hurt. That tyre is moertoe so they say. Lucky also it was a trailer and not a boat or caravan. Then again are you not tired of people saying always that lucky it was not something else.

 

Another day closer to the next time away.....!
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03 May 2016 @ 17:22:40 pm
Anonymous

Thank full you are ok Warren, things could have been much worse.

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03 May 2016 @ 18:00:19 pm
Relaxed Camper
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Nie lekker een nie.....veral nie 3am die oggend nie....
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03 May 2016 @ 18:07:26 pm
neef Herman
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En waar is daai tyre pressure monitors Warren?
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03 May 2016 @ 20:50:21 pm
PietG
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Ook " moetoe"
Ons drink uit die piering want ons koppie loop oor.
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03 May 2016 @ 21:08:24 pm
Bostoe
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Landy ry pap wiel en algeen keur ja Warren dit kon soveel erger gewees het
Haak daai wa kamp bly koning
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04 May 2016 @ 05:56:02 am
Leon
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Hi Warren glad your'e ok. What was the age of the tyre? Was it realy over presure?  Do you remember what the max presure rating was on that tyre? Would realy like to know what caused that?

Sonder Jesus is ek niks! ! ! !
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04 May 2016 @ 06:30:27 am
It'l dodat
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Hi All

Age of the tyre same as the one on the other side which does not show any signs of micro-cracking...

Yip it was over pressure The other side was at 3.5  (I normally run between 2.5 - 2.8)

Now all things being equal, I could also be at  fault, I'm old and vrot and wear my eyes over my ears... could have mis-read the tyre pump at the gararge... Not so lekker bright at night.

Herman, been bumbling round this tiddly piece of real estate called South Africa for donkies year without em.... Besides they don't measure tyre temp...

I use the back of my hand for the temp of the tyre, the front of my hand for the hub temp and my rheumy right eye to look at the contact (flatness of the tyre) between the tar & tyre to guage the pressure... If it looks a tad "long" Ek pomp....

Not very scientific, BUT IT WORKS...laughing

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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04 May 2016 @ 06:32:46 am
Relaxed Camper
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Ek het soortgelyk 2jaar terug met my trailer gekry. In my geval was die rede n ou band
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04 May 2016 @ 07:55:26 am
WilSur
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Warren

What is the MAX pressure on the tyre's ?

Oppad na die volgende kamp.
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04 May 2016 @ 08:15:15 am
DR DRAKE GP not a Doctor nor a GP
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As they say "Lucky, but not so lucky".

Two other questions:

1) What was the load?

2) What were the road conditions like?

 

 

DR DRAKE GP

not a Doctor nor a GP
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04 May 2016 @ 13:01:47 pm
Chuck Norris
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Kyk waar Warren is, is daar iets wat gebeur of gaan gebeur.

Sterkte Warren.
As jy wil he jou drome moet waar word, moet jy eers wakker word.

Die jonge Fransies. (Parys - Frankryk)
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04 May 2016 @ 15:07:12 pm
It'l dodat
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As they say "Lucky, but not so lucky".

Two other questions:

1) What was the load?

2) What were the road conditions like?

 

 

Load? well the tyres ain't scraping the inside of the mudguards (yet0 so I got quite a bit to go....

Road? Usual Sanrail fix-it-up condition....

 

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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04 May 2016 @ 15:10:25 pm
WilSur
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And 

Warren

What is the MAX pressure on the tyre's ?

Oppad na die volgende kamp.
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06 May 2016 @ 14:51:28 pm
It'l dodat
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And 

Wil, I'm not sure I'll have a look...

 

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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06 May 2016 @ 16:40:56 pm
Fred
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Warren and all caravanners: DO GET A SET OF TYRE MONITORS! They are as important as a spare wheel and one blow-out discovered early enough saves you their price in not replacing the tyre, besides the hassles and hazard of loosing a tyre on the 'kaal haai vlaktes'. Not sure if they all are the same, but mine deals with the four on my car plus the two on the caravan and shows both pressure and temperature. It also gives an audible signal if the parameters you set are exceeded, so you need watch the screen constantly. It gives you so much peace of mind. I had two blow outs over 32 years of caravanning, luckily I carried a spare wheel from the start. In both cases I only discovered the problem when I by chance looked in the side mirror and saw pieces rubber flying away from the caravan. The second time around I had a monitor which I made myself which worked on the principle that the side of the caravan with a wheel loosing pressure, starts sagging whick switches on a siren. Unfortunately I had switched it off when leaving the Eiland caravan park in Upington due to it squeeking over the uneven ground in the park and I forgot to switch it on again.
Het is beter rijk te leven dan rijk te sterven
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07 May 2016 @ 15:56:28 pm
WilSur
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I have a set with 4 monitors on the Ford and 4 for the caravan, the problem I now have is I cant find batteries for the monitors.

Oppad na die volgende kamp.
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07 May 2016 @ 16:03:47 pm
Relaxed Camper
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Wilsur...hoe lyk daai batterye?
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07 May 2016 @ 17:00:41 pm
WilSur
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Geert

Dit is daai rode plat horlosie battery CR1632

Oppad na die volgende kamp.
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07 May 2016 @ 17:57:20 pm
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Geert

Dit is daai rode plat horlosie battery CR1632


Van die sekuriteits winkels hou dit aan...hulle gebruik dit in immobilizers ens. Ek moet Maandag na een gaan....sal by hulle hoor en jou laat weet.
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09 May 2016 @ 05:50:11 am
It'l dodat
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And 

3 bar.

Tyre monitors... Nice to have, but would not have helped this was a catastrophic and instant failure... Tyre monitors work well with slow punctures / and 4 wheel caravans, (which I dont have).

I'm convinced that: - either I mis-read the tyre pump at Klerksdorp or it was optimistic, and caused me to pump from 2.8 to 3.8 because that was what theother tyre was when I checked with my own gauge.

 

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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09 May 2016 @ 11:40:39 am
Henk D
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Geert

Dit is daai rode plat horlosie battery CR1632

Kyk by Dischem. EK het daai daargekoop.

Altyd lus vir Kamp
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09 May 2016 @ 13:06:17 pm
Fred
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Warren, We should learn from each other's mishaps and I have been wondering why your tyre blew out. My wife's Corolla's tyres are rated at 3.0 That would be the safe pressure while the expected blow out should occur at a much higher pressure, perhaps 50% more. That is the same as your blown tyre, which means you probably are on car tyres. Even so, even if you inflated to 3.5, that should not have endangered your tyres. 3,5 should not cause a blow out as the 3 Bar would mean a blow out should only occur at perhaps 50% aabove that. You indicated no small cracks, but actually, how old were the tyres? Perhaps the strenght of the tyre decreases with age but if there are no hair cracks, I would rather guess the rubber, getting harder with age, should in fact be stronger rather than weaker (until it starts to crack of course) But then again, with age the bond between the rubber and the canvas or steel belts might have started to break down, that's why the question about the age of the tyres.

Finally, I do think with a caravan, even a light one, you should use better that normal car tyres as the wear and tear on a towed vehicle is much higher than on a car. Just think about the side ways pressure being exerted on the tyres going around a corner with the big overhang of a caravan. My SUV's tyres are rated for a maximum pressure of 3.5 while my caravan's commercials are rated 5.1 and the load capacity is much higher than a car tyre giving you a higher margin of safety on all counts.
Het is beter rijk te leven dan rijk te sterven
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09 May 2016 @ 13:55:57 pm
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Kyk by Dischem. EK het daai daargekoop.



Hulle het daai spesifieke een in voorraad gehad nie...sien plasing van Henk D
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09 May 2016 @ 14:38:50 pm
WilSur
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Ek soek al van Desember in die Kaap tot nou by elke winkel waar daar van daai platte is, GEEN VOORAAD !!! is al wat ek kry.

Oppad na die volgende kamp.
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09 May 2016 @ 18:46:28 pm
neef Herman
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Bande wat bars is grootliks agv drukverlies en dan die sykante wat erg warm raak omrede die "flexing".
Ek het al baie bande, nuwes, gebars nadat dit n stadige lek op grondpad opgetel het, net om te bars op teerpad. Dit is waneer dit so verflenter is waneer jy tot stilstand kom, die sykante was sag.
Ook al gehad dat n klip band n gat in steek, met vinnige lugverlies. Dan voel jy die spul raak onstabiel, maar waneer jy stop is die band nog in een stuk. Dws dit het tyd gehad om warm geraak nie.
So daai drukmonitors gaan beslis werk.
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10 May 2016 @ 01:07:04 am
Tom Sainsbury
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I once had a blowout on the rear wheel of my car. I was perplexed because I had carefully pumped all my tyres about an hour before.
It would seem that after my pumping the valve did not seal properly & the tyre slowly lost pressure until it overheated & destroyed itself.
From then on, I have always made a saliva bubble over the valve after pumping to ensure a perfect seal. I am very interested in getting a set of pressure/temp monitors.
I know that my redeemer lives.
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10 May 2016 @ 06:10:35 am
It'l dodat
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Warren, We should learn from each other's mishaps and I have been wondering why your tyre blew out. My wife's Corolla's tyres are rated at 3.0 That would be the safe pressure while the expected blow out should occur at a much higher pressure, perhaps 50% more. That is the same as your blown tyre, which means you probably are on car tyres. Even so, even if you inflated to 3.5, that should not have endangered your tyres. 3,5 should not cause a blow out as the 3 Bar would mean a blow out should only occur at perhaps 50% aabove that. You indicated no small cracks, but actually, how old were the tyres? Perhaps the strenght of the tyre decreases with age but if there are no hair cracks, I would rather guess the rubber, getting harder with age, should in fact be stronger rather than weaker (until it starts to crack of course) But then again, with age the bond between the rubber and the canvas or steel belts might have started to break down, that's why the question about the age of the tyres.

Finally, I do think with a caravan, even a light one, you should use better that normal car tyres as the wear and tear on a towed vehicle is much higher than on a car. Just think about the side ways pressure being exerted on the tyres going around a corner with the big overhang of a caravan. My SUV's tyres are rated for a maximum pressure of 3.5 while my caravan's commercials are rated 5.1 and the load capacity is much higher than a car tyre giving you a higher margin of safety on all counts.

Hi Frederick, Age I'm not sure, also history as I bought the trailer second hand.

I'm pretty good at visual inspection... And I have the other side to compare...

Over 80 % tread on both.

Age? not sure..

No visable signs of degredation of the tyre before I departed...

The tyre on the other side, and the spare is in similar condition...

If trailer not being used for long periods I rest the axle on tressles and give the wheels the odd spin now and again.

When travelling I "feel" tyre & hub temp, nothing felt untoward, other than I got the guurte to check the actual pressure (in Klerksdorp)... +- 150Km from JHB

The tyre burst somewhere after Wolmaranstad what 80Km down the road?

I normally run 2.5 - 2.8 (I'm not that fussy) so long as both are the same.

If I misread / faulty gauge then I would have been at 3.5 - 3.8 (That's where the other one was when I checked with my other meter)

What precipitated the failure? Over-pressure & a pot-hole? Something the very wide & big Landy tyress "floated" over and the mari-biscuit trailer tyres caught? possibly...

Thinking about tyre monitors after my widdle-waddle this morning at 02:00 If I had had a set I would have seen that the tyres where over-pressure.... So I have to back-track on not being useful.....

Tyre monitors Mmmmmmmmm Perhaps a good thing after all....

 

 

 

Slightly quicker downhill....
These days a teeny-tiny bit more slightly quicker....
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10 May 2016 @ 06:54:58 am
WilSur
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Warren

Check the manufacturing date on the tyre.

 

Oppad na die volgende kamp.
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10 May 2016 @ 13:13:05 pm
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Geert

Dit is daai rode plat horlosie battery CR1632


Centurion by Chinese.
R10 elk
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10 May 2016 @ 14:49:29 pm
WilSur
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Baie Dankie Geert, ek het gisteraand vir die ou mail gestuur by wie ek gekoop het en 'n dame het my gebel om dit by Surette se ou werk af te lewer, klink soos R5 elk.

Sal laat weet.

Oppad na die volgende kamp.
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