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Dandy Trailer Tent / Folding Camper Enthusiasts. Dandy Trailer Tent/Folding camper the best for all year camping


which tyres for my discovery?

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fearful wizard

Posts : 263
Join date : 2011-12-06
Age : 70
Location : Lincoln Lincolnshire

which tyres for my discovery? Empty which tyres for my discovery?

Post by fearful wizard on Tue 22 May 2012, 8:24 pm

The tyres on my discovery are mini car tyres at the moment.
If i change them would it be better to get trailer tyres?
I can get a pair of new mini tyres for £34 each, trailer tyres are £45 each.
Is it worth spending the extra for trailer tyres?
I presume the answer would be yes. Pete Smile
mike
mike
Dandy Owner

Posts : 5172
Join date : 2011-06-12
Age : 71
Location : north east lincs

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Post by mike on Wed 23 May 2012, 10:03 am

Yes trailer tyres every time in my opinion,you need 500kg min for your unit so each tyre needs 250kg but to be on the safe side i would go for a minimum loading of 275kg giving a axle loading of 550 kg,i was told by a tyre fitter trailer tyres suit the way a trailer runs better than car tyres,the extra strength in the walls is to cope with pot holes ect that you may avoid with your car but not as easy with a trailer.
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fearful wizard

Posts : 263
Join date : 2011-12-06
Age : 70
Location : Lincoln Lincolnshire

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Post by fearful wizard on Wed 23 May 2012, 1:42 pm

Thanks mike i thought that woud be the anwer. Pete
Tow Itch
Tow Itch
Dandy Expert

Posts : 3184
Join date : 2011-06-20
Location : Leigh Gtr Manchester

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Post by Tow Itch on Wed 23 May 2012, 3:38 pm

So just for a change I'll disagree with Mike

Historically trailer and caravan tyres were given a exemption or boon on weight loadings. Because they aren't linked to a transmission or steering they were given an allowance above the quoted weight on the tyres. That time has passed and no such allowance is given now. I'm not sure when it lapsed.
Though I would be more than happy to tow with tyres of a suitable rating.
For heavier folding campers or caravans specialist tyres with either 6 or 8 ply sides are used These are often listed as light truck or or or or I can't think of the other term. Is it just me or has Google suddenly become less effective.
A list of tyre ratings here: [You must be registered and logged in to see this link.]

All you have to do is make sure that the load index is sufficient.
I bought a new set of Mini sized radials for my old Green Un tyre size 145/80 10 xx ? As the unit isn't close I cant see the speed rating R,S or T and I can't remember the Load rating it was somewhere between 62,63 or 64. That is between 265Kg and 280Kg so 530Kg and 560Kg for the two tyres.
Unless you are using the unit for some unusual purposes the tyres will be killed by Ultra Violet degradation in the end why over speck?

When you come to buying the Tyres one option that constantly crops up with budget trailer tyres are Bias Belted tyres. These are almost like a crossply tyre in construction but with an additional radial belt. Crossplys and Bias Belted would look more "period" on very early Dandies but while not been able to state definitely from day one Dandy used radials from very early on. Though the crossplys and biased belted often have a higher load rating, if you tow in France where there is a maximum 81mph towing limit or were a bit cursory with your attention to speed limits I think (not sure) you are getting to the end of bias belted and crossplys speed limits.

Below is an advert showing crossplys, bias belted radials and reinforced (don't use the term reinforced that is now been used for the new generation of run flat tyres) radials. [You must be registered and logged in to see this link.]
mike
mike
Dandy Owner

Posts : 5172
Join date : 2011-06-12
Age : 71
Location : north east lincs

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Post by mike on Wed 23 May 2012, 4:58 pm

I never argue with Kevin Very Happy when i got my 6 it was on mini tyres,you could see the flex in the tyre wall when moving the dandy the new tyres are trailer tyres and 8ply i just have more confidence that side pressure from a cornering trailer will be less likely to flex the tyre walls so giving more control,there may be a technical answer to disprove this but i will stick with it.
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fearful wizard

Posts : 263
Join date : 2011-12-06
Age : 70
Location : Lincoln Lincolnshire

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Post by fearful wizard on Wed 23 May 2012, 5:53 pm

Thanks Tow Itch for you indepth reply. Pete Smile
Tow Itch
Tow Itch
Dandy Expert

Posts : 3184
Join date : 2011-06-20
Location : Leigh Gtr Manchester

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Post by Tow Itch on Wed 23 May 2012, 7:54 pm

I'll correct myself from earlier the 1981 brochure lists the 10 inch wheels as 520/10 which is a crossply size.
The 12 inch wheels are as 155 SR 12. The SR is not a reference to Gibbs toothpaste but to Steel belted Radial.
I don't know what the load index for the 4 ply tyre by Trailer Tek but all the other 155 80 profile tires I can find are over 750Kg.
One car tyre at 774Kg the rest are either 6 or 8 ply tyres, I presume it's the falling popularity of 80 profile tyres on cars.
None of the subsequent specification sheets list the tyre sizes they are For the 10" 145/80 10 and for the 12" 155/80 12.


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