Tag Archives: wood removal

Replacing A Broken Tongue

As published in the IPCI Book. The following article describes a procedure we use in our shop to repair a broken tongue made of ebony. When this procedure is successfully completed, the grafted tongue will be as strong as the original and the repair will be virtually invisible. This procedure is not appropriate for tongues made of […]

Repairing an Instrument with a Sound Post Crack

Sound post cracks are very common in the long life of a violin family instrument. When repaired properly with a sound post patch, the instrument can continue to be a reliable tool beyond your lifetime and perhaps even improve its tone. Materials and tools Block plane Sharp knife Wide gouge with tight sweep Sharpened pencil […]

Illustrating the Relationship Between Humidity and Wood

Whether you are a string player or luthier, whether consciously or not, much of your career involves reacting to changes in instruments because of atmospheric fluctuations, particularly those changes in the amount of moisture contained in the air — humidity. This is a theoretical explanation of only a few important physical properties of wood. Furthermore it […]

Conical Through Patch, Edge, and Underlay: C-Bout

This viola came in with some serious damage to the treble c-bout edge due to the bow hitting it. The purpose of the conical patch is to use the existing wood and raising it into a position that is past the damage so that the joint is almost invisible. In this case in particular, there […]