On 01/08/2018 13:21, www.GymRatZ.co.uk wrote:
On 01/08/2018 07:31, Thomas Prufer wrote:

And for mayhem: use a "yankee drill" with a flat screwdriver blade. The ratio of
torque to pressure is fixed by the pitch of the leadscrew, and optimized so that
the blade digs deep into wood, paint, and flesh.

Oh yes, I remember those savage beasts.


Barry Bucknell made it look so easy. But of course all his stuff was
pre-drilled and pre-assembled.