Jim, I'm having problems getting the speed past 297.2. I'm using 2 x 470k either side of the 1M pot. I went down as far as 4.7k either side but that dropped the speed lower (294 I think).
Any suggestions?
EDIT: I got the speed up to 297.9 by using 2 x 1M resistors either side of the 1M pot.
Any suggestions?
EDIT: I got the speed up to 297.9 by using 2 x 1M resistors either side of the 1M pot.