This is the fifth in a series detailing the construction of a folding bench for a Japanese merchant’s house, or machi-ya. Previous installments are linked to in the ‘Blog Archive’ to the right of the page.
Next step is to mortise for the two tenons that come through at each corner of the frame. As usual, I drilled out these mortises, which are 0.5″ square, using a 10mm brad point drill, and as usual, the Wenge caused the drill to get reeeaaaally hot. After the holes were through, finally, I set to work chopping the mortises square using a paring block and a 10mm bench chisel:
Not the easiest wood to work with the hand tools, this Wenge, though it can in fact be chopped and pared. I finished cleaning out the mortises using a hollow chisel bit. I couldn’t locate my bottle of camellia oil, so I grabbed a little vegetable oil to lube the cut:
Next step is the trench for the mechi, which is a stub tenon at the root of the double tenons. I used a 90˚ reference clamped to the stick, and my plunge trim router:
No need to show the same procedure for the other three mortises. Another issue: one of my long rails had a defect on the backside with a little area that the planer had missed. I chose to leave it as I didn’t want to bring the stick down below dimension.
If the bench was always in the down position after installation, I might have chosen to leave it be with the defect, but since it would be possibly exposed to view when the bench was folded up, and because part of the skipped section was inconveniently situated at a corner joint, I elected to patch it. It’s an area about 7″ long and is low by about 1/16″ (1mm) in the worst spot:
Thanks for dropping by today! –> Go to part 6