How do I get that last inch?

tpenfield

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Staff member
Joined
Jul 18, 2011
Messages
18,562
Bunk trailers have a tendency for the boat to 'pull-away' from the bow stop as the boat/trailer are pulled up the ramp.

This happens because with the trailer on the ramp and the boat still floating, the hull contacts the forward part of the bunks. As the boat comes out of the water, 'geometry' says that the bow/eye pulls away a couple of inches as the hull rests on the entire length of the bunks.

You might be able to remedy this by pulling the boat up the ramp just a couple of feet and re-winching.
 

Jeff J

Petty Officer 1st Class
Joined
Jun 23, 2021
Messages
293
That is how I load most of the time but it only works if you have the motor to push to push the boat up the trailer. Not all can do it. The pontoon boat I owned pretty much had to be floated all the way to the stops and even the overpowered tritoons I load now will settle back from the bunks when pulled up the ramp.
 

Lou C

Supreme Mariner
Joined
Nov 10, 2002
Messages
13,487
That makes sense I can see that the steeper the ramp is the more likely it is to happen. Maybe not as common on roller trailers due to the articulating roller bars….
 

Lou C

Supreme Mariner
Joined
Nov 10, 2002
Messages
13,487
If you look closely, you can see the strap on mine is almost horizontal, I like this pivoting winch bumper design, never have had a problem with it as long as it's adjusted to the correct height.
Boat ramp 2025.jpg
 

jimmbo

Supreme Mariner
Joined
May 24, 2004
Messages
14,036
When I took delivery of my Boat the Trailer was set up this way, it was to be reconfigured
SX195#9a.jpg

The way I had them adjust it. Move the Boat, and Bunks forward which required the Axle to be relocated too. Had Supports for the Front of the Bunks added. Had them swap the Trailer Tongue end for end which then placed the Swing Hinge right under the top of the Winch Stand. Had them reconfigure the Geometry of the Winch Stand.
SX195#10.JPG
 
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