Monday, Nov 02, 2009 at 20:20
Hi KK,
sorry for not replying earlier, I missed this post and do not often check my email, (where a notification of a reply is sent).
Hi Top, great car. I don´t see many where I am, but always look great.
Concerning distance between the tandem
wheels - I guess the longer the distance the more resistance when turning, but that´s traded off against better weight distribution. I suppose the intended purpose of the trailer governs the decision, or what you have to do depending on required nose weights etc.
With such as short trailer I could have easily had it on a single axle, but I chose tandem for the following reasons.
- Better weight distribution, you don´t have to be so conscious about loading the van, which gives more flexibility when choosing where you are going to put all your gear.
- Greater payload, this is very much a trailer for overlanding and its important to me to be self sufficient, I wanted the option of carrying 500kg of food,
water, fuel, generator, so I can stay away for a good while with out having to rely on campsites.
-And the biggest factor - improved off-road, and importantly, on-road towing. Here in UK/Europe it not uncommon to have to travel 2,000-3,000km on-road just to get when you want to be off-roading. Think - driving down though UK, France, Spain and then most of Morocco to get the Sahara. Round trip is up to 6,000km on the motorways.
Tandems track so much better than single axles and therefore are not nearly as prone to fishtailing, allowing you travel at maximum permitted speeds. With this trailer I can tow at a 120kph no problem, and it´s perfectly stable. Also, tandems are much, much safer if you get a blow-out. At 120kph with 1,400kg of trailer I would not want a blow-out with a single axle. Not a pleasant experience.
Concerning tandem set up - IMHO the 2 best configurations for a tandem are -
-Close coupled (load sharing), independent trailing arm - pros, no axle to catch on ground, cons, more difficult to fix than leaf spring.
-Close coupled, (Load sharing) leaf spring - pros, easy to botch repair, cons, axle to catch on ground.
Unfortunately this is not the case with
mine, I have a rubber torsion system. Cheap and hopefully maintenance free!. However, I have a feeling it will need to be changed for either of the above as I just can´t see it standing up to the terrain its going to have to deal with.
Thats my 2 pennies worth, hope I´ve not gone on too much, could talk about trailers all day!
All the best
JMPC
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