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For 2 years I have been using a Craftsmen snow thrower that I
converted to electric. I used a 3 hp. series wound 85 amp motor at
3000 rpm. out of an industrial cart. It would peg the load meter at
startup and it would stay pegged while running. This summer I got an
old E20 for parts (bad rusted threw frame). I swapped the E20 drive
motor with the series motor and now it pegs the meter on startup then
quickly drops to about 1/2 of the green on the meter. The speed of the
snow thrower is slower (I'm guessing about 900 rpm). I think that is
because the pulley is about 1/2 inch smaller. now all we need is some
snow to see how well it works. Both motors have good bearings and
brushes so the difference must be just the design of the motors. Both
are G.E.s. Maybe the high current drain of the series motor was
causing my battery problem? Merry Christmas Ralph Vogan ralphgv talkamerica net |