Tyre pressures

[tonyblack1964]

I'd be really grateful if someone could just check that I've interpreted the data plate on my Eura Mobil Activa 770 HS (twin tag) and applied it correctly to the Motorhome Tyre Inflation Pressure Advice site (https://www.tyresafe.org/check-your-pressures/motorhomes/).

 

[tonyblack1964]

anyone???

 

[funflair]

No not correct in my view, if you treat the two rear axles as a twin in the calculator then you need to be using 3000kg.

This would be your tyres from the Continental book, your will be the bottom 8 ply ones

Martin

 

[tonyblack1964]

OK, but why would the tool have a single/twin rear axle selector if you need to manually calculate the combined weight? Without any row/column headers that chart doesn't make much sense to me i'm afraid. I can't see anything on there that relates to my tyre size.

 

[funflair]

Twin on the calculator is really for 4 wheels on one axle so that would be the combined weight, the other option for yours is treat each axle as a single with 1500kg load.

Heres the full document, https://blobs.continental-tires.com...998ef8b3/download-technical-databook-data.pdf

Pages 84-85

All these calculations are for maximum loading of course, a more accurate figure would be your own axle weights.

Martin

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[denisejoe]

I have a euramobile tag axel and run at 55psi all around

 

[tonyblack1964]

I have a euramobile tag axel and run at 55psi all around

Do you know what your plated axle weights are?

 

[denisejoe]

are 1.5 ton each axel tried 65 as recommended but bounced up and with every stone in the road have been running 55 for 4 years now

 

[tonyblack1964]

My front end is slightly different from yours and is rated at 1850Kg but that's good to know. Many Thanks.

 

[David and Sally]

I'd be really grateful if someone could just check that I've interpreted the data plate on my Eura Mobil Activa 770 HS (twin tag) and applied it correctly to the Motorhome Tyre Inflation Pressure Advice site (https://www.tyresafe.org/check-your-pressures/motorhomes/).View attachment 401474View attachment 401476

I have entered my axle loads and tyres and the site recommends 3.79 front and 5.5 rear.

I think Fiat numbers are 5.5 bar for both.

Reading various threads I get the feel that 5.5 rear is the norm and I have just set the front at 5.0 bar to see how that affects anything.

Any reason why not?
Thanks

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[Langtoftlad]

Get your vehicle weighed, know your actual axle weights - contact the tyre manufacturer with details of your tyres and the actual weights and they will advise you of their recommended pressures.
Or take a guess