Even if you rip and remill, I don't see how that center board is salvageable. At all.
That one board is driving the arc and it's doing it honestly. It can't be milled out. If ripped into narrow boards, they will still need to need the most milling. That's on top of the need to jointing the edges because an arc's edge won't cut square. Then the reason for the arc still isn't gone. It's just spread out to more boards. Flipping and alternating the grain will probably make a little rollercoaster for hot wheels instead of just a skate park for finger boards.
So if you're fixing this for someone else, they need to supply a suitable board for a table top to replace it. I will admit that this example shows why rift or quarter sawn boards are favored for tops really well. It would just be a failure of finishing or attaching properly to make a rift or quarter sawn top do anything but stay flat.
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u/Gurpguru 5d ago
Even if you rip and remill, I don't see how that center board is salvageable. At all.
That one board is driving the arc and it's doing it honestly. It can't be milled out. If ripped into narrow boards, they will still need to need the most milling. That's on top of the need to jointing the edges because an arc's edge won't cut square. Then the reason for the arc still isn't gone. It's just spread out to more boards. Flipping and alternating the grain will probably make a little rollercoaster for hot wheels instead of just a skate park for finger boards.
So if you're fixing this for someone else, they need to supply a suitable board for a table top to replace it. I will admit that this example shows why rift or quarter sawn boards are favored for tops really well. It would just be a failure of finishing or attaching properly to make a rift or quarter sawn top do anything but stay flat.