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  • #4040

    Hi all
    I have just bought W7584. On the journey home the trailer was ok on the motorway but once on the A roads the boat seemed to take a lot of heavy impacts from the poor condition of the road. The trailer is a good quality purpose built combi with 8 inch wheels and some suspension.
    Is there any way to reduce the problem or is it ok and the boat is strong enough to withstand the jolts.

    #8795
    Colin Parkstone
    Participant

    If I was you i would have a look at the suspension units and see if they are working properly.

    If you have towed before then your feeling about the impact taken on the trip is good, so look to see if they have travel in the units.

    This may sound silly but I have see it happen,look to see if the units are facing the right way,as in trailing aft ?

    CP 🙂

    #8798

    Just a word of caution – you might suspect that the boat is bouncing on the trolley and be tempted to crank the load straps or whatever you’re using up too tight. This can deform the hull – long before you think it will. In a glass boat this can result in the floorboard supports coming away from the hull at the outboard ends. rachet straps are great, but quite capable of squashing the boat. You should just get light tension on the straps and no more. Other than that – spare wheels (trolley and trailer) can save you untold grief.

    Happy adventures

    #8801
    Swiebertje
    Participant

    @Colin Parkstone wrote:

    If I was you i would have a look at the suspension units and see if they are working properly.

    How true, the suspension units of my road base had to be replaced after less then two years of use. (Actually they are combined hub/suspension units, you can’t exchange the suspension only). My local trailer specialist deemed them too light for my purpose and mounted a stronger suspension set that can cope with the weight of the boat including all my gear and what not. The original suspension was (theoretically) just strong enough for the empty boat. One of the symptoms was a negative camber angle and consequently an uneven tread wear.

    I am not saying that all combi-trailers suffer from too light suspension units but if mine had this problem there must be more out there.

    #8802
    Colin Parkstone
    Participant

    Re Davids Post above,

    Has anyone seen the rubber shock absorbers used by big boats in the mooring line when in harbour.

    I wonder if something like that would work with the ratchet straps we all use to hold our boats down on trailers??

    C P

    #8803
    Swiebertje
    Participant

    Collin, isn’t that what the trailer’s suspension is supposed to take care of?

    If the trailer is sufficiently suspended and dampened, the boat should not rock about in its cradle and the straps don’t need to be of rubber.

    Maybe I’ve got it wrong but the rubber in the hub acts as a spring only, it does *not* act as a shock absorber, isn’t it? I wander if a set of shock absorbers would do any good? If only there would be a way to mount those buggers.

    For the time being I’ll stick to carefull and slow driving and avoid back roads when posible.

    #8808

    thanks everyone
    I have checked and suspension seized. have just replaced with new suspension, hubs, bearings,new wheels and 10 inch tyres and new mudguards, also spare wheel and wheel clamp, phew!! trailer now in better condition than boat. christmas cancelled.
    Happy new year to all

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