On 01/09/2013 23:49, Dave Liquorice wrote:
On Sun, 01 Sep 2013 23:20:47 +0100, The Natural Philosopher wrote:

But really, for lumber? two saw cuts with a hand saw and knock out the
middle.

That was my thought as well, why do you need a power tool at all?
Sharp crosscut handsaw just inside the line to a couple of mm above
the required depth. Knock out the block or take it out with thick
chisel cuts and then chisel the base and bottom corners neatly.

Does require the skills to use a handsaw, mallet and chisel
accurately though...



The only problem is ,,, in practise if grain is running at angle, you
can end up with notch breaking out, and ends up less than square ... but
don't dispute this is the trad way.

Just asked Q as on all the DIY programmes they show Dado saws being used
for this