In article ,
T i m wrote:
[T] I think the idea is with these electronic speed controllers you
get nearly the same 'torque' as you would at full speed. What you
don't get of course is the intertia gained from such revs? I know my
D-Walt battery drill on low speed will twist the head off a No8 screw
at pretty low revs (AC-DC the concept is the same?).

But I'd say that starting torque isn't quite the same as constant speed
running. You might have to use full power on your screwdriver to do this
which would result in full speed running light.

--
*The most wasted day of all is one in which we have not laughed.*

Dave Plowman London SW 12
RIP Acorn