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Thread: trailer side guides
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25th November 2011, 05:29 PM #1Novice
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trailer side guides
Just about to launch a Noudini after 10 months work. It now sits on 5 keel rollers on the pole trailer I built but have a promlem. I have positioned side bunks on the frame there is a lot of rocker ( curve ) over the 1200 mm length higher at the stern than the bow. Also only clears thr top of mudguards by about 25mm so will have to get it right. Do I try side poles set at the max boat with on the rear frame?
So close to launch so any help appreciated
Mal
Perth WA
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25th November 2011, 09:33 PM #2
I always set guide poles to "pinch" the hull at it's after end. What this does is two fold. First it squeezes the hull, like a melon seed between your fingers, which shoves the hull forward, onto the trailer. Secondly, it keeps the boat from backing out, once you've got it where it needs to be.
In cross winds, contrary currents, etc. this can be a great help in loading and keeping it loaded until you can attach a bow line.
I also dislike bunks for most boats and prefer stands instead. This is a trailer I prepped for a 26' powerboat. It originally had bunks mounted well outboard, at the turn of the bilge, like most trailers. This caused damage to the hull, so I moved the bunks directly under the two engine bed longitudinals, so no damage would occur. This placed the bunks very close together, 24" (61cm) and offered no lateral support to keep it from tipping over sideways.
This is where I made two stands to support the aft portion of the hull. The stands are completely home made and very simple and in spite of my lousy photos, you should be able to figure out how they're made. They swivel from side to side, so they'll conform to the hull's deadrise, even if the boat isn't centered properly.
The trailer shown has it's fenders and guides removed, because it's about to get slid under a heavy, hoisted boat (corner of the transom is just visible in the first photo) and lifting the boat was a chore so every effort was made to not lift it very far.
This trailer uses bunks because a big skeg prevented keel rollers except well forward. Generally, I'd use stands forward too and keel rollers. It also had two sets of guide poles, on set forward to keep the bow on the centerline (attached to the V shaped chock) and the usual aft set.
Recovering bigger boats need a trailer to help as best as it can. You're not going to man handle a boat like this one (old wooden, lapstrake, hardtop cruiser), so it needs to "fit" and assist if it can.
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