I'm about to start erecting a house built something like the Norway stave churches with 4 inch thick by about 12 inch sawn planks set vertically into a modified timber frame. Seems like a good idea to groove the the sides and spline them together with about a 3/4 inch board about 3 in. wide spline. What's the best way to cut this groove or dado with a tool that's portable and can be used on the wood. I've thought about a chainsaw which seems fairly inaccurate, a router, several blades stacked on a circular saw and maybe one of those expensive Makita groove cutter type machines? Any suggestions or advice will be greatly appreciated.
- John S.
Lost Creek, WV