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Re: (ET) Reversing E20 DA Motor Polarity



I used the foot control with a pot that the Alltrax included with my controller. And I also wired in a dash pot for cuise control.
John Briese


From: "Bob Rice" <bobrice snet net>
To: "Christopher Zach" <czach computer org>,"Raymon R. Ellis" <rayellis direcway com>
CC: 'Elec-Trak Digest' <elec-trak cosmos phy tufts edu>
Subject: Re: (ET) Reversing E20 DA Motor Polarity
Date: Sat, 28 Aug 2004 10:58:24 -0400


----- Original Message -----
From: "Christopher Zach" <czach computer org>
To: "Raymon R. Ellis" <rayellis direcway com>
Cc: "'Elec-Trak Digest'" <elec-trak cosmos phy tufts edu>
Sent: Friday, August 27, 2004 5:58 PM
Subject: Re: (ET) Reversing E20 DA Motor Polarity


> Um. I wonder if you could just leave the two push-pull contactors intact
> with respect to the armature and run the motor direction control that way.
>
> Chris
>
> Raymon R. Ellis wrote:
>
> > Will a member, maybe Ralph, who has experience with the electronic
> > controller conversion of the E20, tell me the best way to change
> > rotation direction on the E20 motor? The original setup of the drive
> > motor runs best in one direction and is kind of jumpy in the other
> > direction. Is it OK to run the motor with armature cables reversed so
> > that the smooth running is in forward gears? The motor now wired in
> > accordance with supplier provided schematic is jumpy in forward and
> > smooth as silk in reverse. The motor was tested before the conversion
> > using two 12v batteries and direction of rotation was reversed by
> > changing either the polarity of the field (F1 & F2) or the armature (A1
> > & S2). A comment will be appreciated. Thank you. Raymon Ellis
> >
> > Hi EVerybody;

Funny you should mention it. An gunna wire up my E 20 today. I stripped
out ALL the old wires so I'm on my own, putting them back. Have Alltraxes'
schematic to go on, running new wires as needed. He, Alltrax seems to hook
stuff up to the old wiring system, that he assumes yur keeping. My delemma
of right now is to decide what throttle systen to use, like a hand throttle
or a foot pedal. My olde MTD gas one used a throttle on the " dashboard" was
happy with that, but it was a gas with a clutch. What did you guyz do? I
mean with the Altrax setup, potbox? Keep thr foot pedal?Like keeping the
clutch in an EV car, a matter of personal preferance?

   Seeya

   Bob
> > ------------------------------------------------------------------------
> >
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>
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