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About Lutz

  • Rank
    Over 1000 posts

Profile Information

  • Gender
  • Location
    Hochheim am Main, Germany
  • Interests
    Foreign travel and technical issues
  • Towcar
    2016 BMW X4 30d
  • Caravan
    2008 Dethleffs Beduin 545V

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  1. Lutz

    Towing Over 85%

    Actually, it's the University of Bath, not Bristol, but they have never got involved in the 85% recommendation in the past. Without a financial sponsor or a research contract from the industry I doubt whether they would have the resources to carry out any serious tests to establish a meaningful recommendation. Mass in Service does include the weight of the driver, yes, but it doesn't include any factory fitted options, let alone anything like a towbar which the dealer may have fitted. All those items would, however, be included in the kerbweight, as are the extra 10% fill of the fuel tank. It is highly likely that the sum of all of the above is greater than the 68kg allowance for the driver.
  2. Lutz

    Towing Over 85%

    Absolutely, yes, but then organisations like the clubs must make the first move and refrain from using the term kerbweight in their weight ratio recommendations and replace it with something like mass in service which is readily documented in the V5c. It may require a slight adjustment to the 85% figure as kerbweight is almost invariably greater than mass in service. Maybe 90% would then be more appropriate.
  3. Lutz

    Towing Over 85%

    There has to be a common understanding on the definition of kerbweight. One cannot have a legal definition as laid down in UK Construction and Use regulations and a different one for Mazda or any other manufacturer. There simply is no such thing as a legally binding document quoting the kerbweight of any vehicle because no manufacturer is obliged to publish it. What’s the point of having a piece of paper supposedly stating kerbweight if there is no common agreement on what it does or does not include?
  4. Lutz

    2 wheels or 4 on the wagon?

    Even he needed a rope that was securely anchored at the other end to pull the truck and I suspect that he'd also have trouble moving a caravan on a muddy and slippery pitch.
  5. Lutz

    2 wheels or 4 on the wagon?

    I challenge anyone to manoeuvre a 2000kg caravan single handed regardless of whether it has one or two axles.
  6. Lutz

    Tyrons or Sealant

    Of course a tyre would be overloaded if an adjacent tyre has burst, but one would normally notice a burst tyre and slow down very quickly. Even when overloaded 100% a quality tyre should be able to support the load for a 100 yards or so until one has had a chance to come to a stop.
  7. Yes, it's "zul. GG" in German and "PTAC" in French
  8. Lutz

    Towing Myths

    This is the definition of unladen weight, as laid down in Part 1 of The Road Vehicles (Construction and Use) Regulations 1986: Unladen weight the weight of a vehicle or trailer inclusive of the body and all parts (the heavier being taken where alternative bodies or parts are used) which are necessary to or ordinarily used with the vehicle or trailer when working on a road, but exclusive of the weight of water, fuel or accumulators used for the purpose of the supply of power for the propulsion of the vehicle or, as the case may be, of any vehicle by which the trailer is drawn, and of loose tools and loose equipment.
  9. The abbreviation MTPLM has no place on a statutory plate. The order in which the figures are displayed is laid down in the regulation and the first figure is always the MTPLM, without additional reference, so 2000kg is your limit.
  10. Lutz

    Towing Myths

    I raised the issue with the DfT a couple of years ago and I was told unofficially that someone in their infinite wisdom decided to call it Mass in Service in the V5c, but actually when the vehicle registration book is issued, they use the Mass in Running Order figure that the manufacturer documents in the Certificate of Conformity because there is nothing else that is documented to go by. Even 50kg is not going to make or break an outfit. If the weight ratio goes up to 86 or even 87%, so what? Nobody is going to detect any difference in the way the same outfit handles.
  11. As far as item 2 goes, foreign authorities, being familiar with statutory plates only, will use those as the basis for any checks. Besides, it would be difficult to persuade an officer abroad of the meaning of 'MTPLM' on any label by the door. International regulations avoid the use of any word abbreviations, etc. on any plates and the suchlike, such as driving licences, because of possible language barriers, just as no UK officer can be expected to know what PTAC on the side of a French vehicle means. If necessary, numbers or symbols are used instead. It would be up to the vehicle owner's ability to convince a foreign officer of the validity of a lower MTPLM than shown on the statutory plate and the willingness of the officer to co-operate, but I wouldn't count on it. A maximum is absolute and always a maximum. One can't have an upper and a lower limit. If it's lower it's no longer a maximum.
  12. Lutz

    Towing Myths

    A towbar plus all the accompanying electrics is unlikely to weigh more than about 40kg and that's not going to affect the weight ratio by anything worth talking about. Unlike Mass in Service, kerbweight would be increased by adding the towbar (and any other factory-fitted options), but where does one find the kerbweight documented anywhere? You won't.
  13. The numbers are in the right order but the max. noseweight (Axle 0) is incorrectly described as MRO (although it does appear to say '0' underneath).
  14. It seems that some manufacturers don't issue the type approval Certificate of Compliance to the customer as a matter of course, although they should, but only make it available upon request. The NCC cannot certify type approval because they don't have the authority to do that. All they can certify is compliance with certain industry standards that aren't legal requirements.
  15. Lutz

    Towing Myths

    Here are a few definitions, including that of Mass in Running Order (which is the same as Mass in Service on the V5c), as laid down in Article 2 of EU Directive 1230/2012/EC: (4) ‘mass in running order’ means (a) in the case of a motor vehicle: the mass of the vehicle, with its fuel tank(s) filled to at least 90 % of its or their capacity/ies, including the mass of the driver, of the fuel and liquids, fitted with the standard equipment in accordance with the manufacturer’s specifications and, when they are fitted, the mass of the bodywork, the cabin, the coupling and the spare wheel(s) as well as the tools; (b) in the case of a trailer: the mass of the vehicle including the fuel and liquids, fitted with the standard equipment in accordance with the manufacturer’s specifications, and, when they are fitted, the mass of the bodywork, additional coupling(s), the spare wheel(s) and the tools; (5) ‘mass of the optional equipment’ means the mass of the equipment which may be fitted to the vehicle in addition to the standard equipment, in accordance with the manufacturer’s specifications; (6) ‘actual mass of the vehicle’ means the mass in running order plus the mass of the optional equipment fitted to an individual vehicle; It becomes obvious from reading the above that things like sunroofs and factory fitted towbars are not considered as 'standard equipment'. Only the 'actual mass of the vehicle' (Item 6) will include optional extras.