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About Lutz

  • Rank
    Senior Member with over 5000 posts

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  • 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. I would speculate that the insurance companies are not acting on the basis of accident data, but purely on postulation. There simply aren't enough accidents involving trailers to be able to have enough detailed data from which one can come to a reliable conclusion. For instance, how would the insurance company know that poor weight distribution was not the cause rather than the absolute weight of the towed trailer. Also, lack of due care and attention on the part of the driver could be the cause rather than any weight issue. Besides, weight ratio is, after all based on a worst case scenario, but how many vehicles tow a fully loaded caravan with just the driver and no other payload in the car? The manufacturer has full product liability within the limits that he specifies and that means not only five restarts on a 12% incline, but also the way in which the outfit handles and its braking performance.
  2. But there is a big difference between kerbweight and mass in service. Mass in service, by definition, will almost invariably be less than the kerbweight even though it includes 75kg for the driver, which kerbweight doesn't.
  3. I have used my Fiamma Zip awning in wind force 10 storms without a problem so long as the ends and front were fitted and pegged down appropriately.
  4. Here's a response from an RX450h owner in the Lexus Owner's Forum which may be of help:
  5. When the vehicle is running primarily on electric power and the diesel is only charging, but not providing any or much propulsion, the diesel will only be running at relatively light load, a condition that is not encountered so very much with a pure diesel. Emissions control must be specific to take this into account.
  6. True, but a diesel hybrid still requires specific exhaust emissions systems that cannot be transferred directly from an equivalent diesel, so manufacturers will only embark on such a project if the expected sales volumes are large enough to justify the development costs.
  7. The reason why there are fewer diesel hybrids lies in the high investment costs associated with the development of exhaust emissions control of a diesel in conjunction with hybrid drive. It is much easier, and consequently less costly, with a petrol engine.
  8. I can't make the same comment about the reversing lights. For me, they were ample to light up the rear adequately on the rear view camera display, but I do agree about the inadequate size of the starter battery (which happened to be identical to the Nissan Micra - a much smaller car). A negative comment about the RX400h that I would make, though, would be the very torque sensitive steering, especially when towing. When moving off briskly from traffic lights with the caravan on the back, one had to hold the steering wheel tight in order to stay in a straight line. Otherwise it was a very nice car and I have no further reservations about it.
  9. Towload limits are often dictated by engine cooling performance. In the case of a hybrid, which has two modes of propulsion which both have to be packaged under the bonnet, there could be so little air space left in the engine compartment, that cooling becomes a real issue, resulting in a lower towing limit than what one would otherwise expect.
  10. Large front windows can't be an issue in principle because all Continental caravans with front windows are of the large type and their suppliers are the same manufacturers (Dometic Seitz, Polyplastic or Para Press) that produce the windows for the UK caravan industry, too.
  11. For over 6 years I towed an 1800kg caravan with a Lexus RX400h hybrid.
  12. I bought my trailer new so I know that it must be free of grease. I've used it like that for 10 years now without any noticeable wear and tear due to running dry.
  13. I find that rather strange because when I experienced a blowout at motorway speeds I wouldn't have noticed that I had one except for the big bang and seeing bits of rubber flying through the air in my rear view mirror. The outfit behaved absolutely impeccably although I was towing at 100% weight ratio and I even needed to negotiate a bend in a slip road before being able to come to a halt.
  14. But the 54kg (or whatever the noseweight actually is, so it would normally actually be more) are part of the payload so nothing is lost.
  15. The 54kg that you refer to would be the minimum noseweight which one would have to allow for anyway when measuring the car's overall weight.
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