Violin week 2 – the ribs

Preparing the blocks

I split some willow to make the blocks and set them at 32mm high at the bottom tapering to 30mm high at the neck and after getting them good and square, glued them into the form which I supported on a few pieces of plywood to get the form more or less into the centre of the blocks.

Blocks glued into form
Blocks glued into form

Then I used the perspex template to mark the outline on the blocks ready for carving.

Blocks marked ready for carving
Blocks marked ready for carving

When the glue was dry I carved the blocks down to the marked outline with a chisel and finished with a round file. The split willow carves very easily but because they are so small this is so much quicker to do on the violin compared to the cello – although you have to go slowly to get the accuracy required!

Blocks carved to shape
Blocks carved to shape

Preparing and fitting the violin ribs

Next I thinned the ribs down to 1mm with a combination of the drum sander and then scrapers. The figuring has to be matched up so the stripes all point upwards when looking at the back. Next the pieces were cut to size and carefully bent after damping in a wet tea towel and then finally glued to the blocks using pre-shaped cauls.

Gluing on the ribs
Gluing on the rib

Then I planed the edges of the ribs down to make sure everything was perfectly flat.

ribs cleaned up ready for gluing in linings
ribs cleaned up ready for gluing in linings

Adding the Linings

I thinned the willow linings to 2.1 mm on the drum sander and cut them 10 mm wide on the band saw (aiming for 8 mm finished depth) to leave a few mm proud for trimming back flush to the ribs.

Gluing in the linings on the C bouts
Gluing in the linings on the C bouts

I was able to re-use the peg clamps I made for the cello and just substituted a thinner pivot piece to get a parallel clamp on the 1 mm ribs + 2.1 mm linings.

More linings
More linings
Linings in and cleaned up flush with ribs
Linings in and cleaned up flush with ribs

Now to move onto the back where I have some gorgeous maple to play with!

 

 

 

 

 

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