hi, been away for a while and missed this, - just to put my bit to all the interest; I've got a 5.8 destroyer, and posted a thread recently after visiting a weighbridge - Humber reckoned almost exactly what the weight would be, - 800kg - boat, engine (yam 90 2 stroke ) anchor, chain, 100 litres fuel, aux =20kg, single deluxe console, and 2x twin jockey seats, add the trailer at about 300kg -
since then I've gone onto a slightly heavier trailer = 400kg, - so towing weight, if everything is on is about 1200kg
my feeling is like everyone else who when they stop and think about it - its what damage you could do to others/ yourself etc if it all went wrong, you just have to look at such events over the last year of trailer accidents - I don't need myself to be adding to the potential for more - so I always tow with a braked trailer, and am very respectful of the way that the rig could react if I braked - would it still follow the car, or would the car follow it - until recently I'd never looked exactly at the fuel consumption with / without the trailer - without I get just over 50mpg, but when towing, it comes in at 26mpg
when you look at the potential damage/ liability of trailers, we need to become more trailer geeky, - I'm using a book recommended by Rogue and its excellent - too many of us just expect to hitch up and go - always nice, but not really working for lots of us.
oh, and just to throw something else in - your insurance for your trailer is probably only third party - mine adds about £20 a year to make it fully comp.
self confessed apprentice trailer geek!