Axle weights.

Discussion in 'Motorhome Chat' started by robnchris, Apr 26, 2010.

  1. robnchris

    robnchris Funster

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    I know we have discussed this subject many times, anyway yesterday I had the motorhome weighed with these results.

    Front axle 1240kg
    Rear axle 2040kg

    That was just the motorhome no one in it, less than half a tank of fuel, no water, clothes, threre is a few things in it. awning, chairs over the cab plus a groundsheet.

    Now then on the plate inside the door it reads in a column
    3500kg
    6300kg

    1 - 1750kg
    2 - 2240kg

    I take that 1 & 2 are the maximum weights of each axle, haven`t a clue what the 6300kg is.
    Also can`t see if physically possible to load the front axle with 500kg.

    All in all I figure we can only carry an extra 220kg which wouldn`t take much effort as we reckon we weigh a combined 150kg, then you have whatever water and fuel you are carring, not to mention the motorbike and rack....
    Don`t know if or how much grace is given. :cry:

    Looks like we need to travel light, Chris won`t be impressed her shoe collection will probably take us well over.
     
  2. hilldweller

    hilldweller Funster Life Member

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    Sounds like you are well stuffed if it's a 3.5 tonne vehicle. What does the V5 say ?

    At a rough guess a 100kg bike on the back will put 200kg on the axle - best do the sums *now*.

    Is the 6.3t the train weight when towing ???
     
  3. JayDee

    JayDee Funster

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    Looks like you've got a bit of a payload problem.
    The 3500 will be your max. Gross Weight
    The 6300 will be the maximum Gross Train Weight (i.e. the total weight of trailer and van)
    Your overall weight will not be and exact sum of the axle weights, but it still means you can only carry about 200 kg of payload.

    Seems like you have two options (well three really)
    Fit a towbar and lug everything in a trailer
    See if you can get the van up-plated to, say, 3800 (SVTech can advise)
    Trade the van or go naked (and barefoot :Smile:)

    I know all of these seem a bit drastic, but I would explore option two first. Do you have any limits on your driving license?


    John
     
  4. robnchris

    robnchris Funster

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    axle weights

    Well yes it is a PLG 3500kg truck so without a doubt the motorbike and rack will take us over.. mmmhhh me thinks we have a dilemma:Doh:

    I wonder how often a motorhome gets pulled by Vosa, perhaps I can enter every testing station into the GPS and avoid them...:thumb:
     
  5. hilldweller

    hilldweller Funster Life Member

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    Nope, you're stuffed.

    Isn't it absolutely ridiculous to turn out a MH with virtually zero payload ( with tanks full for wild camping ). I've seen this commented on before but yours is the first case I've seen with the numbers on screen.

    What company fitted a bike rack knowing ( or they should ) that it could never legally carry one ?
     
  6. Taran_Las

    Taran_Las Funster

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    Rob,

    Out of interest where did you get your vehicle weighed and the cost if you don't mind saying?

    Phil
     
  7. robnchris

    robnchris Funster

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    A mate of a mate did it for me, wondering now if I would have been better off ignorant of the fact.
    As Brian said, thinking about it I would have thought the dealer we bought the Motorhome off would or should have known the payload limit of the truck and informed us that it would go beyond it`s limits to carry a motor bike and rack... :Doh:

    There again with everything else they did relating to motorhome I`m not surprised.:Angry:
     
  8. daveyboy

    daveyboy Read Only Funster

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    in this scenario perhaps a bike trailer would be the best option:thumb: and with regards to weighing then any public weighbridge will do and they usually charge a fiver.
     
  9. MikeandCarolyn

    MikeandCarolyn Read Only Funster

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    We had ours weighed at a local quarry-they didn't charge anything :BigGrin:

    Mike.
     
  10. Wintonian

    Wintonian Read Only Funster

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    Just a small point: The axle weights that he quoted were each measured on a weighbridge so the sum of these two will be the total. Why would they not?

    The maximum axle loads given by a manufacturer, on the other hand, will not necessarily aggregate to the maximum total load. This is because of positioning of the load. A load placed at a considerable distance behind the rear axle will increase the rear axle load but reduce the front axle load, for example.
     
  11. JayDee

    JayDee Funster

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    Quite honestly I have no idea. We plonked ours onto the weighbridge at a local feed supplier - full vehicle, front wheels only, rear wheels only. The latter two figures added up to a tad more than the first. I'm sure it will turn out to have something to do with levers and distances of individual weights from the point of contact. Really I suppose I should know from my days of calculating draft trim and stresses from my shipping days in a previous life; but that was quite a few years ago.


    John
     
  12. robnchris

    robnchris Funster

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    axle weights

    Just wanted to say thanks to John (jaydee) for the info he has passed on to me.
    The guys at SVTech have been so helpful, I just need to provided them with the correct info on my truck and they will either ok the uprating on the plate or not. :thumb:

    Fingers crossed as I don`t really want to tow a trailer.
     
  13. Wintonian

    Wintonian Read Only Funster

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    I weighed mine on a weighbridge last weekend, here in France. It was a very long one, and, like your feed supplier's weighbridge, was very long. The cost for each weighing was 2 Euro, and I only had one coin on me. I just weighed the whole rig. It did occur to me that a weighbridge of that length would be almost certain to be inaccurate when weighing something (like a single axle of a motor home) that was placed quite close to one end. Whether a spring balance or a load cell is being used, the mechanism is bound to have a fair amount of friction. This wouldn't matter too much when the thing had 5 or more axles on it, of course. I have no idea where I would find a shorter weighing facility. If only dealers would offer such a service! It would be a simple matter to organise a couple of pads with load cells and a summation unit (or a wide single pad). Then each wheel could be weighed as well as each axle. As a safety service to customers it would be a great idea. Even if they made a charge for it to recover the capital cost.
     
  14. daveyboy

    daveyboy Read Only Funster

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    dont know if it helps but some of vosa weighbridges at roadside check points only weigh 1 axle at a time.
     
  15. lebesset

    lebesset Read Only Funster

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    am intrigued bye the gtw at 6,300 Kg
    never had a merc so I could well be wrong , but normally the gtw only exceeds the gvw by 2000 Kg on this class of vehicle
    could it be that this is actually a 4,300 Kg mercedes which has been downplated to 3,500Kg for driving licence / speed limit/tolls etc purposes
    could have downplated the axles as well ?
    one thing looks certain there must have been a heavier version of this chassis even if the axles or tyres were different , I suspect the tyres rather than the axles , probably there are part numbers on the back axle which would tell you

    is there such a mercedes chassis ?
     
  16. gogocrosby

    gogocrosby Read Only Funster

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    The powers that be both here and on the continent have portable weighing balances, so they can get you anywhere. You should take it for a weigh in full touring trim just to get legal whilst you wait for a plate upgrade.
     
  17. robnchris

    robnchris Funster

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    I don`t think it has been downplated as the vehicle plate is an orignal Mercedes plate but I will check on the 6300kg with the SVtech people, the guy I spoke to didn`t have a problem when we dicussed the current plate figures.
     
  18. JayDee

    JayDee Funster

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    Rob,
    I think Lebesset means that the converter downrated the vehicle as there are issues with the heavier vehicle as we discussed in our PMs, plus Driving Licence limitations for many people. Of course I could be well off track with that.:Doh:


    John
     
  19. lebesset

    lebesset Read Only Funster

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    exactly so jay , happens all over europe
    the converter orders the vehicle downrated with smaller wheels and tyres , so gets it cheaper
    it used to be mainly driving licences that caused this , but with the increasing number of restrictions everywhere for vehicles over 3.5 tonnes many people are risking the overloading fines , in france now if you are up to 5% overloaded it is just an on the spot fine , even people with hgv licences are doing it
    met someone this winter , cost him €21 to pass use the millau viaduct because he was over 3.5 , I though €9 was enough !
    for the moment the french gendarmerie are fairly relaxed about the new 80KM/hr speed limit /stickers etc , but you have been warned ..it will come
     
  20. tiggs

    tiggs Read Only Funster

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    axle weights

    Hi we had our motorhome weighed last friday full tank fuel everything in except our clothes enough water to work the loo and husband at the wheel, we guessed before we went that it was between 3200-3300 (max is 3500) we paid our £5 and drove on and it weighed 2950 we were well pleased and very glad we got up enough courage to have it done (it has worried us for some time) now we can take almost anything we want within reason to France and enjoy tc Gerri :thumb:
     
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