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Old 21 March 2012, 11:13   #11
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Country: UK - England
Town: Cambs/Northants
Boat name: Déjà Vu
Make: Osprey
Length: 7m +
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Originally Posted by BumbleAbout View Post
Just be aware that bigger trailer wheels may float when you may want to immerse them to recover the boat (bunks imply submerging but rollers maybe not) ...
Yes these maybe a little overkill

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Old 22 March 2012, 07:52   #12
Country: UK - England
Town: Buckingham
Make: Ribcraft 4.8
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I rest my case

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Old 22 March 2012, 10:31   #13
Country: UK - England
Town: Plymouth, Devon
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Thanks everyone, for your very helpful comments. I've been feeding back your points to the boat builder, so now we're talking about a more bespoke trolley, with no brakes, a meaty point to attach the winch line and a pneumatic jockey wheel (the largest it can be on the leg) - but we have retained bearings on the main wheels. I'm waiting for final details, but I suspect the quote is going to be more than if I hadn't started from here.

All up weight is about 1150Kg, with the force required up the slipway calculated at about 400kgf - and I will be using blocks to align the pull to the centre of the slipway. The winch is rated at 1000Kgf.
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Old 22 March 2012, 13:45   #14
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Engine: 2 stroke YAM 20 HP
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Sbs actually make something not a million miles from what you might want (and cheaper than the 1800el trailer)
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Old 27 March 2012, 08:17   #15
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Make: Narwhal
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