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Dining Carver Chairs: design details

To reproduce the DC 09 design, I explored and saved all the videos and all photos I could find. From these I estimate or calculate sizes, approximate dimensions, and refine these over multiple examples. Here are some of the photos I used ....

Seat upper and under sides ..

The underside of the seat: note the rounded ends of the tenons, and the smooth flow as the tapered edges link with the base …

The upper side of the tenons are flat…

Another view of the seat, plus the curve of the seat back …

Upper side of the seat (fresh from being laser cut) …

The underside of the seat showing the integrated tenons …

The curve of the sides to create a thin elevation …


Of relevance here is the shaping of the tenons. This photo is taken from the prototype, where the legs were screwed to the tenon stubs. This needs to be reproduced in my build, along with mortises for loose tenons…

A second issue is the direction of the grain in the loose tenons for the chair seat joinery. The tenon stock will be Rock Maple, as with the rest of the build. I am in the process of choosing the stock for the 10mm wide x 30mm long tenons. The aim is to ensure that these are the best for a chair. Not any other purpose, but a chair.

The issue is grain direction: is it better to have the grain running horizontal or vertical?



Vertical grain should offer more rigidity, plus the tenons will be wedged horizontally, and it would be better to avoid risking the grain splitting if it ran in the same direction.

The square stock is shaped on the router table with a half-round bit ...





This is how it will look in the leg through mortice (minus the wedge and the rounded leg) ...



Regards from Perth

Derek

January 2024