<< > > > Additionally, can you explain to me how the electric stop
 > > mechanism on an
 > > > electric lawn mower works? I have an electric mower and it kills
 > > the blade
 > > > as soon as the power is cut. Could such a circuit be easily and
 > > cheaply
 > > > adapted to an after-market electric cooling fan?
 > > >
 > > > Barry Gardner
 > > > Wheaton, IL
 > >
 > > You got me there. If you short a brush type DC motor that is
 > > rotating
 > > I think it retards the rotation. Some new DC motors are brush less
 > > and all bets are off on those.
 > >
 > > Paul Lamar

 > It could be that the brushes are shorted at shut off
 > and put a heavy load that stops it turning. Virg
  >>

Who said it was electric?  I'd bet its just a simple clutch.

Jeff Spitzer

 
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