Doug91mac26s wrote:.......But I don't know if you can make new v-bunks with your boat on the trailer. It looks like those bunks you have are too high, the keel of the boat is too high, they might need to be removed to get them out of the way. Hard to say. If you can find a way to make the new v-bunks with the boat on the trailer, it would be easier.

Doug it looks like the boat might be a couple inches higher than it needs to be, but still has about the right clearance at the fender tops. I think the thing he has going for him is that the current bunks are so high and pretty much out of the way of where the bunks need to be.
If I was doing it I put the very back bunk in first and maybe just tack it in if I was welding the supports or if he used your approach it could be lowered latter. That would then steady the boat and keep it from tipping. Then with the back supported you could jack the boat up slightly towards the bow and support the keel up where you mentioned right in front of the centerboard opening.
Now cut the old bunks out. If you wanted the boat a little lower then lower it at the front some and put the front bunk in. Now the boat is supported from tipping there and you could jack the rear.....

....and lower the very rear bunk if you wanted.
Next put in any intermediary bunks you want and if needed change the front one.
I could do it cheaper material wise welding stuff in, but for someone that doesn't have the resources your bunk setup would be much easier and more flexible changing if needed.
I don't see it as a big job at all for him to do it in his pole barn with a nice floor (at least I think he said there was a concrete floor). If he needed to add a cross-member for a bunk in a different location from where the current cross-members are it would be easy to run it by a welding shop and have them put one in and then he could finish the bunk itself at home.
c ya,
Sum
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