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Tyre Size

I went on one of Franks Tunisia fly drive trips a few years ago and have
since met him at a few 4x4 shows, very friendly and knowledgeable man. His
company seems to crop up quite often when talking to people about Sahara
trips. I have not heard a bad word yet.
Ian
 
Hi Guys
Is a tyres abilitys solely to do with the tyre, I dont think so.
I would think you can get a very expensive tyre and still have it torn to
bits by that one object every one else missed with their cheaper tyres.
I think it has a lot of luck as well as the actual tyre brand to do with how
stories come out.
If you work on a buliding site with all the hazards like nails and sharp
objects on the ground from all the building work you are more likely to get
puncures than a guy driving to and from his office job maybe.
Dont most tyres fall into certain grades.
cheers
john 92HDJ 80 1HDT
 
John,
You are absolutely right. It's got to do as much with rubber as with
luck. That's why spending megaquids on an item which is entirely
disposable is IMHO a bit OTT. But a few quid saved on remouolds make
no sense, either. Michelin BFG and a few similar brands offer good
compromise and seem to be good value for money, so why fix it if it
ain't broken
--
Rgds,
Roman (London, UK)
'92 HDJ80
On 11/9/06, John Byrne <[Email address removed]> wrote:
 
To add my half-penny...
The other as yet unmentioned factor... The driver. Probably more
important than tyre brand, size, pressure, etc., The driver can destroy
the best tyres or preserve the cheapest tyres... simple.
Another factor is loading:
Using BFGs as the example: A set of -
235/70R16 max loading is 3600kg
265/70R16 max loading is 5140kg
285/75R16 max loading is 6000kg
One can easily see that using the smaller tyre on a laden LC is forcing
the tyre to work at its absolute maximum, while putting on the larger
tyre you should have a huge safety and weight buffer zone, so I would
expect the tyre to last longer under the same conditions.
(Info from here:
http://www.bfgoodrich.co.uk/bfguk/front/affich.jsp?codeRubrique050830000012&lang=EN
)
regards
Graham.
John Byrne wrote:
 
Hi Graham
As you have mentioned the tyre size does play an important part especially
when loaded.
But the weights you give, (that is per tyre) and the weight of the cruiser
loaded or other wise is spread over the four tyres with a little difference
for the weight distrubution etc.
It would change also depending on the the degree of cornering and braking
maybe aswell, as this would transfer a little extra weight from one side to
the other or front to back just a little would it not.
cheers
john 92HDJ 80 1HDT
 
Hi John
The weights I gave are for the whole vehicle, I have multiplied the
individual weights by 4 already.
Graham
John Byrne wrote:
 
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Graham, John et al
Yup! I concur!! driver skill is very important, actually, in my estimation
it is crucial, and is not due to luck whether you rip them or not. Loading
correctly is also very important and I load stuff in such a way that the
heaviest stuff are right down there mid length of vehicle right behind the
front seats - find the lowest centre of gravity possible and you avoid
perhaps 80% of problems that affect axles, chassis, weight ratio/weight
shift. Centre of gravity MUST be as low as it can be - this way loaded
weight doesn't compromise either the vehicle or the driver, and heavy loads
must be strapped down tight. I use heavy duty ratchet tie downs and cargo
nets. Last time I spent two months in the sahara I was loaded up with
perhaps three quarters of a tonne. I once slipped down a dune sideways at 45
degrees - I thought I was done for, but I was fine.
Renate
You wrote "The driver. Probably more
important than tyre brand, size, pressure, etc., The driver can destroy
the best tyres or preserve the cheapest tyres... simple."
European Land Cruiser Owners Mailing List
Further Info: http://www.landcruisers.info/lists/
 
Agreed, driver skill and experience are important but luck ( or perhaps
chance is a better word) has some bearing particularly in mud and I imagine
sometimes in sand, you can't avoid what you can't see.
Malcolm Bagley
Stafford, UK
1975 FJ45 Pickup (In Work)
_______________________________
and is not due to luck whether you rip them or not
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Hi Renate
I was looking at my tyres today mainly just because of all the talk at the
moment about tyres.
I have the Grabber AT and think they are a good allround tyre.
But Like most ATs or MTs there are large gaps between the noduals of rubber
and I just wondered if they are more prone to gettting a puncure in the gaps
or do the manufactures take this into concideration when making the tyres.
Just a thought and maybe a stupid one when applied to the real world . But
when I was a kid we used to cut up old bicycle tyres and use the rubber to
fit inside another tyre just under the tread and so you gained 100% extra
rubber to stop getting punchures.
A little off topic as sometimes happens but was mentioned in the last
thread. I have been on the look out for a cargo net of a few mts square
made of rubber elastic stuff.
I cant find any of a size that will cover a roofrack or a load in the boot.
I thought I did and bought a cargo net only to find it was too bulky when
not in use and too ridget ,(made of nylon) I think.
So if anyone has tips where to buy a flexable cargo net please let me know.
John 92HDJ 80 1HDT
 
Hi Roman
Thanks for that link, I am looking for one that is twice at least that size
and that seems to be the problem.
I think these are fine but once you put something bulky under them they have
a really small lenght then.
john 92HDJ 80 1HDT
 
John,
30" x 30" is not a small net - it will stretch quite a lot.
Here's another: http://www.machinemart.co.uk/product.asp?p=040213175
I have one like that but I only use it for holding down the tarp on
the roofrack. Bulky items must be tied down with straps anyway,
--
Rgds,
Roman (London, UK)
'92 HDJ80
On 11/10/06, John Byrne <[Email address removed]> wrote:
 
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