Demo videos of the DD100 & B/C Drive in action

Chatham carvings, scan copied then routed from 2mtr x 600mm x 300mm log, with 1.5 HP spindle, 1/2″ cutter, 1/2″ deep, feed at 200″ per minute
Doughty Drive units arranged in a B/C axis configeration. This machine is constructed from Maytec section and parts cost under $10K all up.

B/C Drive cutting dome with 12.7mm end mill
Todd Parks machine. Notice the extended Y axis granty

Doughty Drive units arranged in a A/B axis configeration. The router is a 1 HP Ryobi with a 1/2″ cutter, feed at 80″ per minute.
B/C Drive