When last we left my foray into the Chinese low workbench form, I had made a 48″ sawbench out of 8/4 Clear Vertical Grain (CVG) Douglas Fir. That bench has served me very well and I love look of the wedged rectangular tenons more and more each day. In fact, I love it so much that I recently made a new coffee table using the same joinery in quartersawn red oak.
I have this 72″ x 10.75″ x 1.75″ ash plank that has been sitting around the shop for some time. It started off as a 96″ board, but a chunk of it became the vise backer board on my Moravian Workbench. The rest of the plank might have ended up at the top for the outdoor workbench, but it became clear it was too narrow and too thin for the type of work that bench (at 24″ deep) sees.
So, instead, the remainder of the ash plank will become a foot-of-the-bed bench in my bedroom (is there a technical term for that kind of bench?). I have the luxury of a king sized bed and 72″ is actually a bit undersized. And I keep my bedroom pretty dark (blackout curtains and whatnot), so the two toned color of the heart-size face grain shouldn’t be a problem. At least not for me.
Unlike the sawbench, though, I plan to add a short rail between each pair of legs. I can do this because although the play of the legs is still 10 degrees like the saw bench, the rake is only 2 degrees (as opposed to 10 degrees). This means the legs, being nearly vertical when viewed from the side, will still pretty easily take a tenon with a square cheek and shoulder (just like a pair of legs with no rake). With the 10 degrees of both rake a splay, I’d probably have to do a rabbeted (instead of mortised and tenon) stretcher where the shoulder is an obtuse angle and the cheek of the rabbet slops down to the tip.
I like the rectangular tenons because it allows me to fine tune the rake and splay of the legs. When using round tenons, you’re pretty committed to whatever angle(s) result from how well you bore the tenon at the correct angles. With rectangular tenons, you can pare away with chisel (I use a guide block of the correct angle(s) to fine tune it) after chopping or boring out most of the waste. Plus, I don’t own a lathe so my round tenons are never that crisp.
Now I won’t commit to not boring holes for pegs on one end (to form a planing stop). But I will commit to not painting the top surface so that the paint doesn’t transfer to the work.
Ah, crap. I’m just making another Roman workbench, aren’t I?