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#61

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 11:14 am
by Pepé Le Pew | 2.752 Posts

Quote: hob wrote in post #60
What i need is a ball park figure, seen everything from 34 to 51.5 psi so far.
I don't know if it helps, but in your situation - and given the information you've got to hand - I think I'd settle for a figure just on the low side of halfway between those two and see what occurs.

It's probably unlikely that your tyres are going to explode or roll off the rims halfway up the A14, after all.

.


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Last edited Fri Mar 18, 2016 11:16 am | Scroll up

#62

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 11:22 am
by hob (deleted)
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Had 38 psi put in the spare yesterday when it was fitted to the rim, will do the same with the other 2 and see how that goes wear patterns looked good on the old comm tyres at 34


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#63

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 1:48 pm
by Randa france | 13.258 Posts

Quote: Pepé Le Pew wrote in post #59
Other than to be able to use that formula, why would you need a maximum inflation figure? Isn't the recommended operating pressure (i.e. at the typical load) okay by itself? .

Yes, of course it is except when the dealer you bought the van off fitted new tyres that had a max. inflation pressure of 36 psi and soon after Hymer recommended 44 psi in the tyres.

It was only this time last year that I discovered that the maximum inflation figures on tyres identical in size and load/speed ratings could vary by so much.

Randa


1999 Eriba Troll 530 pushing a VW Touran 2L TDi Match


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#64

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 2:03 pm
by Pepé Le Pew | 2.752 Posts

Quote: Randa france wrote in post #63

Yes, of course it is except when the dealer you bought the van off fitted new tyres that had a max. inflation pressure of 36 psi and soon after Hymer recommended 44 psi in the tyres.

It was only this time last year that I discovered that the maximum inflation figures on tyres identical in size and load/speed ratings could vary by so much.
In that case I apologise most profusely

I don't think I've ever seen an ordinary tyre with as low a maximum pressure. My inflatable banana has a higher maximum pressure than that.

.


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#65

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 2:21 pm
by Pepé Le Pew | 2.752 Posts

Quote: Randa france wrote in post #63
..the dealer you bought the van off fitted new tyres...

Can you remember what make they were? If those tyres were identical in size, section, speed and load rating (a factor of its construction and the number of plies used in the carcass) to the later ones, the only other variable is the actual quality of the tyre.

It'd be interestin' to know.

.


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#66

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 2:22 pm
by Randa france | 13.258 Posts

The problem is that all the tyres we've had fitted to the van have had the Max. Inflation figure on the inside tyre wall only, so once fitted, never seen.

In the case of the 36psi max. tyres, they were Runway tyres and were, and probably still are, a favourite of AL..

Can I be nosy and ask what you use the banana for?

Randa

Yes, sorry, our posts crossed.

The tyres originally fitted when the van was new were 185/R13 86T Dunlop SP's with a max. inflation rating of 44psi.
The ones new on the van when we bought it from AL were Runways with a Max. 36psi
The ones we fitted last year, the name escapes me but they were a bit pricier that Runways (not a lot) are 51 psi.


1999 Eriba Troll 530 pushing a VW Touran 2L TDi Match


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#67

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 2:48 pm
by Pepé Le Pew | 2.752 Posts

Quote: Randa france wrote in post #66
...they were Runway tyres and were, and probably still are, a favourite of AL..
I don't think I'd be saying anything libellous if I suggested that AL probably fit whatever tyres they can get the best deal on. Or cost them the least. Whichever way you want to put it.

It's not like they're the only ones to do that kind of thing. Car manufacturers do it too, but how far they can push it depends on the image they want to portray. I don't doubt that BMW or Audi or Mercedes could get a really corking deal on a job lot of Runway tyres, but I reckon they would regard doing that as being at odds with their self-image.

Quality car, pants tyres.

Saatchi and Saatchi would have their work cut out to make that one fly.

.


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#68

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 3:01 pm
by Randa france | 13.258 Posts

It's a bit worrying isn't it but I would suggest that anyone thinking of purchasing tyres for their Eribas asks the supplier to provide a max. inflation figure as well as the size, load and speed rating.

Randa


1999 Eriba Troll 530 pushing a VW Touran 2L TDi Match


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#69

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 3:11 pm
by Pepé Le Pew | 2.752 Posts

Quote: Randa france wrote in post #68
It's a bit worrying isn't it but I would suggest that anyone thinking of purchasing tyres for their Eribas asks the supplier to provide a max. inflation figure as well as the size, load and speed rating.
And then chooses the ones made by somebody they've heard of. The difference in cost - even if you were to buy two and a spare - between cheapies and something with a decent reputation can't be much more than about sixty or seventy quid in total.

That's more or less a tankful of diesel or a decent evening down the local Indian.

And it's only once every five or six years.

.


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#70

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 3:27 pm
by hob (deleted)
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Quote: hob wrote in post #62
Had 38 psi put in the spare yesterday when it was fitted to the rim, will do the same with the other 2 and see how that goes wear patterns looked good on the old comm tyres at 34


Well they are on at 38 Psi and when I towed it home again they look a little bit flat in contact with the road so I will probably blow them up some more til that look goes away .................... mid 40's maybe.


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Last edited Fri Mar 18, 2016 3:40 pm | Scroll up

#71

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 3:40 pm
by Deeps (deleted)
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Quote: Randa france wrote in post #68
It's a bit worrying isn't it but I would suggest that anyone thinking of purchasing tyres for their Eribas asks the supplier to provide a max. inflation figure as well as the size, load and speed rating.

Randa


You might recall a short while back now, Roger, when it was suggested that they introduce registration and the MOT requirement for Caravans in the UK when there was uproar to be heard by owners led in the main by the two caravan clubs with all manner of silly arguments against being presented.

Now I'm not saying that our beaurocratic system is better - in many aspects far from it - but as far as Caravans go, they've got it spot on. In my opinion of course. Our registration document stipulates the tyres that are currently fitted by the manufacturer (when the van is purchased new) with any later fitting (say by an independent tyre fitter) needing to provide documentation from the tyre manufacturer that the tyre has been tested and approved for fitting to the caravan. This document will be asked for by the testing testing - which is bi-annually - in the event that the tyre production is so new that they don't as yet hold an approval certificate as part of their own documentation.

So from the word 'go' - the manufacturer (Hymer) documents the type and size of tyre fitted to the van which both appears in the vans registration papers and for which a TÜV/Dekra certificate of approval has been issued. This certificate also appears in the vans documentation folder and forms part of the requirement for the issue of a 100km/h sticker if the owner wishes to apply for one on registration of the van.

Subsequent change of tyres must also meet with this approval if the 100km/h sticker is to be retained. In both cases, the inflation pressure is advised by the manufacturer and appears in the vans handbook and any tyre manufacturer must meet the requirements stipulated by the vans manufacturer in order for an approval certificate to be issued for later presentation (if required and asked for) by the testing station.

I've mentioned quite a few things here as I'm reminded that it was only a short while ago when questions were being asked regarding obtaining a 100km/h sticker for towing in Germany. Caravan owners who change tyres for those not specifically approved by either the van or tyre manufacturer and for which an approval certificate has been issued are at risk of running foul of the traffic laws so it's worth bearing in mind.


2013 Triton 430, Mazda CX-5 D-150, AWD AT, Walker Touring Plus awning, Isabella Shadow sun shade.


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#72

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 5:34 pm
by highmiler | 367 Posts

This is something that affects every owner of an Eriba, and yet we don't seem to have reached the usual definitive conclusion that I would expect from this forum. I am due to replace my 6 year old tyres on my 2001 Troll, and I am no nearer making a decision, on which tyre brand to buy or at what pressure they should be set.
Let's have some examples please from especially Troll owners, My current tyres are at 43 psi, and she tows very well, but I have never heard of the brand name, they are chinese.
Highmiler.


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#73

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 6:08 pm
by Aaron Calder | 3.834 Posts

Quote: highmiler wrote in post #72
we don't seem to have reached the usual definitive conclusion that I would expect from this forum.
I think it's asking a lot of a forum populated by ordinary caravan enthusiasts to make prescriptive statements regarding what tyre pressures the owners of all the various models of Eriba should run at. That's the job of the caravan manufacturer and/or the tyre manufacturer, not us.

All we can hope to do is to provide information, links to information, personal experience and opinions that will enable each owner to make a better informed choice regarding his/her own caravan. If in doubt, email Hymer.

One decision I have come to having read this thread carefully is that I shall be avoiding towing in Germany in future.


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#74

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 6:10 pm
by cabbie37 | 695 Posts

My van is possibly exactly the same as yours - 2001 Troll 540. The van isn't here at the moment (though I am going to check it over at the weekend, so will confirm then) but my recollection is the tyre pressures are set around 45/48psi. This is on 165R13C tyres called Tyfoon Connexion (sic) - a Dutch company that no longer makes tyres in that size. When I had the van serviced the back end of last summer when I bought the van back (Dutch import) my engineer was quite happy with that pressure. The tyres look fine, even though they are over 6 years old, so no odd wear patterns at those pressures..

hth...


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#75

RE: Tyres?

in Anything Eriba-related Fri Mar 18, 2016 6:19 pm
by hob (deleted)
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Quote: highmiler wrote in post #72
This is something that affects every owner of an Eriba, and yet we don't seem to have reached the usual definitive conclusion that I would expect from this forum
Highmiler.


If by that you mean the manufacturers (hymer) the line is

Quote: hob wrote in post #22
When in doubt read the manual Which incidentally is all in Dutch (the perils of running an import)

Anyway it seems the spare is indeed original and the book quotes

For Triton 430 1000 Kg axle 185/70 R13
For Triton 430 1200 Kg axle 195/70 R14


At whatever pressure they recommend.

Some of us are not happy with what is available in those options

Hymer don't appear to offer any alternative choices.

So we debate alternatives, I have never suffered from the delusion that my decisions may be "definitive"


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