A double grinder set up isn't that new but i hadn't seen the use of a cross vice to mount the motor on for adjusting belt tension and tracking. Though it was quite a cool idea
[video=youtube;0GVB0qkRF1c]http://www.youtube.com/watch?v=0GVB0qkRF1c&NR=1&feature=endscreen[/video]
[video=youtube;0GVB0qkRF1c]http://www.youtube.com/watch?v=0GVB0qkRF1c&NR=1&feature=endscreen[/video]