To much work, but the old boat is doing well on the regatta field now, All repairs added 7kg. ist now 63kg. Was 56kg. New boat weigth with fittings is 60kg-ish. 2022 Laser-ILCA
Hatches should be max.153mm opening.
Make donut of olde sandwich deck.
Brown sandwich is before 1975ish. 1979 have white stiffer foam
Use glassfiber as thickening, more strenght.
The maststep is usually grinded almost through the boat
The forward side down of the tube is maybe grinded thin...
Have repaired 2 complete broken mast holes. You better install a hatch or make a hole with a hole saw. If you turn the boat upside down, you can make a hole in the bottom, in front of the mast, on the side, no sandwich in that area, and easy to remake invisible. No deck damage. But there should...
I see some cracks in your earlier posts, separating hulls. Now it's to late to do repair the easy way. But since you already have hatches, you can close some and make new in the area of delamination and do some extra support underneath. According to the rules, you can have 3x hatches.
I hear newer boats have a build in metal disc in the mast step for wear protection. What year did PS/LP begin with this? I could not see any on my 2006 PSE boat.
Rumors said that the ice blue series had it. But this problem was also solved by having the plywood stringer vertical, instead of having it laying flat. On my 97 and 05 it was vertikal. No cracks. But plywood. Some people report on a kinda black kompositt on the attachments. Plywood fini?
I have done 3 mast step repairs. The mast grindes in the bottom and there will be a hole in the end. The thickness of the bottom is 4-5mm. From bottom and up to the deck it measures 14". So take a measure. In your case I would do a repair from the outside and remove the wooden donut. Grind off...
Interesting, I will measure the other (4) boats to. This boat has less weather helm than others. Still it's not difficult to make the boom go block to block.
Yes, they get put of s 15cm hole, deflatet. Reverse, inflate with vacuum cleaner in reverse. Do not fill to much. There have to be some reserve for ☀️ days.
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