Re: (ET) AllTrax -- Thinking Out Loud

[Jim Coate <jbc coate org>]

I wouldn't switch the system voltage. If you go to 24 volts, every thing 
will just seem wimpy as it would not have as much power/speed as it does 
now. If you go to 48 volts, the drive motor should do fine and get 
higher top speeds. But the mower deck uses permanent magnet motors which 
won't like the higher voltage and probably have a short life span. So 
you would need to add a second controller for the mower deck. The snow 
thrower and tiller use series motors (like the drive motor) so would 
probably be ok with the higher voltage, but running at a higher speed 
might give weird results (high speed tiller??) so would also need 
controllers.

There are plenty of smart 36 volt chargers out there if you you are in 
need of a replacement. If money isn't an issue you could get a nice 
three-bank charger and charge in 3 groups of 2 batteries which would 
keep everything super well balanced. Or just get a cheap used golf cart 
charger.


tjwilhelm wrote:
>     * There are so many nice 24VDC or 48VDC battery chargers and
>       inverters available, it might be nice to operate the Elec-Trak on
>       either 24VDC or 48V instead of 36V.



_________
Jim Coate
1970's Elec-Trak
1992 Chevy S-10 BEV
1997 Chevy S-10 NGV
http://www.eeevee.com