[pianotech] WNG Backchecks

[Ron Nossaman]

> <<<Have already opted for extensions in order to use the set - and learn 
> how to do extensions. Having never done extensions I
> imagine that a simple joint with matching wood&grain joined with wood 
> glue would be strong enough? Do
> you think that any mortising would be required?? Possibly join it at 45% 
> to get more gluing surface area??
> 
> Gene

It's not a high stress joint, so almost anything reasonable 
will work. Get whatever angle produces somewhere near the 
maximum gluing surface on a simple lap joint, and you'll have 
a 300%+++ overkill factor. You have a lot of room to play with 
here.
Ron N