Re: (ET) Fine control

["RJ Kanary" <rjkanary nauticom net>]

High current DC chokes are large, and expensive. That's probably why GE
chose the nichrome solution.


RJ Kanary
Member TRNi  Since 1998
ASE® Certified Master Auto Technician

rjkanary nauticom net

----- Original Message -----
From: "Christopher Meier" <mr23 mn rr com>
To: <elec-trak cosmos phy tufts edu>
Sent: Friday, July 26, 2002 10:01 PM
Subject: Re: (ET) Fine control


> How about putting an additional inductor in series with the first
resistor?
> Comments?
>
> -Chris
>
> ----- Original Message -----
> From: "RJ Kanary" <rjkanary nauticom net>
> To: <wilbett earthlink net>; "elek-trac Discussion group Bob Murcek"
> <elec-trak cosmos phy tufts edu>
> Sent: Friday, July 26, 2002 6:39 PM
> Subject: Re: (ET) Fine control
>
>
> > Some thing else, you may consider, is using the three armature resistor
> > control scheme, used in the E-20 models, DA and older. That is the
biggest
> > reason I like that model.  The breakaway is much smoother than the 
> > other
> > models, and maneuvering around obstacles has less of a thrill factor.
Just
> > my opinion, but you really ought to try one !
> >
> >
> > RJ Kanary
> > Member TRNi  Since 1998
> > ASE® Certified Master Auto Technician
> >
> > rjkanary nauticom net
> >
> > ----- Original Message -----
> > From: <wilbett earthlink net>
> > To: "elek-trac Discussion group Bob Murcek"
> <elec-trak cosmos phy tufts edu>
> > Sent: Friday, July 26, 2002 7:25 PM
> > Subject: (ET) Fine control
> >
> >
> > > Bob Murcek,
> > > Thanks for your suggestion on Fine Control. But I don't understand 
> > > it.
> > >     Did you actually make 7 electrical speeds on your ET? If so, how
did
> > you make
> > > cams to actuate the 7 micro switches? Or did you modify the existing
> cams?
> > Or are
> > > there un-used cam ridges in the ET which you used?
> > >     Maybe a simple fix for me would be to just make the low speed
> resistor
> > (R1) a
> > > higher resistance. That would make the first speed slower and not
effect
> > anything
> > > else.
> > > Bill Alburty
> > >
> > >
> >
>
>