Good morning. I’m Dave and I’m new on the forum. I joined to try and get some expertise on a project I'm planning. I am building a galley table for use in the cabin of a boat. I’m building the top only (it will be attached on the center line to two anodized aluminum pedestals) and I’d like to use slabs – either cherry or black walnut depending on my final selection of the other trim wood. I’m planning on the table having around 9” center that is mounted to the aluminum pedestals and two 12” hinged, drop leaves. Overall table length will be around 36”. Since this table is on a boat and weight is somewhat an issue, I’d like to keep the final slab thickness down around 1.5 to 2”. My plan is to finish it with tung oil followed by Waterlox Marine Finish on all sides. My questions are how thin I can make the slabs so that they will remain stable in changing climate on a boat? Can I go down to 1.5” or so, or do I need to be 2” or even more? Also, do I need to plan for some sort of strapping on the underside of the table to prevent cupping? I can come up with something that will allow expansion across the grain and still provide some rigidity, but I’d rather not if things will remain flat without it.Finally, the boat is being built 4 hours south of me. Normally I would bring the wood into the cabin of the boat for a while to stabilize it to the current humidity before starting work. But that’s not practical for this situation. That means I can either make the table top at my shop and bring it to the yard when finished. Or have the builder put a temporary table in place and then I’d replace the top with my creation after I get the boat home. I’d prefer the former – do you see any problems with me finishing the top before bringing it down to the boat for installation? My shop is on the water – so it’s not like I would build the top in an arid environment then move it to a humid environment. I’d like to think that properly dried wood that is finished on all sides would remain fairly stable – but I’ve been wrong before.Sorry my first post is so long. I appreciate any insight you folks might care to offer. Dave