Slow, steady, and not too much is the current shop time formula. Yet “poco a poco” progress is sneaking along.
Case joinery for this clock is, to my mind, a bit weak. The side frames are connected by mortise and tenon to the top and bottom plates. That’s normal, but these tenons are on the minimal side. Yes, they measure up to the usual 1/3 of available stock dimensions, but when one looks at the weight involved, I’m skeptical that they are robust enough. The base weight of the case, the added moldings, the glass, and a very expensive brass mechanism seems a lot to hang on some 1/4 inch by 1/4 inch tenons, especially if one depends on glue alone.
These tenons result in nice snug, “self supporting” fits as long as “self” is one of the top or bottom plates alone. I’m adding two screws as insurance to each of the four joins.
The backboard fits nicely into rebates in the side frames and top and bottom plates. Three screws into each of the top and bottom plates are the main attachment of the back which supports that expensive brass mechanism. Two screws, one midway in each side, add additional support. Those side screws will be in elongated holes to allow for seasonal wood movement.
Gratitude: No major wood movement high jinks.
Other articles in this series...
- Regulator Clock – Done
- Regulator Clock – Woodworking completed
- Regulator Clock – Scratching the frames
- Regulator Clock – Door Hinged
- Regulator Clock – Case Dry Fitted
- Regulator Clock – Jelly Side Down
- Regulator Clock – Case Frames - 2
- Regulator Clock – Glass - 2
- Regulator Clock – Case Frames - 1
- Regulator Clock – The Works work
- Regulator Clock – Glass
- Regulator Clock – Tongue & Groove planes
- Regulator Clock – Completed Mouldings
- Regulator Clock - Stick Mouldings
- Regulator Clock - Plate Mouldings
- Regulator Clock - Egg and Dart Moulding
- Regulator Clock - Eat Dessert First
- Regulator Clock - original description
- Regulator Clock – Stock Prep
- Regulator Clock – Plans for Moldings
- Taming the Rabbet