The big problem is trailers in the UK require no official annual test, which in some ways is no bother for a little wheelbarrow sized jobbie which people use for tip runs and as an extra boot for family holidays or camping, as unless the thing actually detaches itself these little things are unlikely to have any detrimental effect to how a car drives, and few people can reverse those tiny things anyway because the steering lock on so many cars can't keep up with the speed one of those toy trailer turns, a trailer that you can fit an 8 x 4ft sheet of wood into is about the smallest for competent accurate maneuvering and by that stage they're getting a bit heavy when loaded for maneuvering by hand.
When trailers get bigger and heavier and you get into overrun brakes then i'm surprised we haven't had some form of annual testing and possibly registration, could be a handy extra revenue wheeze for a bankrupt (morally or otherwise) govt.
I've towed all sorts over the years, sometimes borrowing large heavy car transporter trailers, the overrun brakes on which can vary from very good to nothing to be found inside the brake drums at all in one case.
If we assume the overrun brakes are in good order, then unless someone is clueless about weighting, or expects a really short wheelbase or particularly light or unsuitable vehicle to be stable towing an ill weighted trailer considerably heavier than the towing vehicle, then most drivers (once they've had a tail wagging the dog scare) will soon get used to towing, its not an artform just merely needs some thinking and common sense applying, ie don't run before you can walk and just because you are towing with a Range Rover dioesn't mean it can't all go pear shaped.
Horse trailers mentioned above, these are among the most stable trailers ever put on the road.
I've seen hyrdraulic overrun brakes fitted to trailers before, basic system as would be found on any drum braked car from the 70's, not sure these are any better than a good cable or rod system, each type requires sensible maintenance to keep them in fine fettle, but arguably less maintenance than modern cars with disc/caliper systems really require but seldom receive, systems which are more open to the elements and far more prone to seizing than any drum brake i've seen.
Caravanning may well die in popularity anyway as suitable ICE towing vehicles become more difficult to find anyway, the only bonues i can see of a battery tow vehicle would be the 300/500kg it weighs over and above its equivalent ICE vehicle, but then gross train weight will surely come into play, with car/caravan oufits maybe bordering on needing a an HGV licence.
Focussed, the alleged shortage of HGV licence holders never was, and now it certainly isn't.
Edited by gordonbennet on 11/12/2022 at 12:02
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