Re: (ET) RE: ET mowing EV ZTR

[Rod Hower <rodhower ameritech net>]

When I worked at GE I designed a dual motor forklift
control.  All you need is a steering wheel angle
sensor
to control both motors on this setup.
It could easily work with little/no modification
on a ZTR.
Rod
--- Anton Berteaux <krustyacres earthlink net> wrote:
> the ZTRs are hydrostatic, which has a couple of
> things that annoy me: 
> inherent inefficiency of hydrostatic drive compared
> to chains or other 
> simple mechanical drives, and the fact that they
> need to have the 
> engine always revved up to make the drive act
> correctly. They are 
> effective, nice to use and pretty bulletproof.
> It seems obvious that electric drive would have all
> the advantages of 
> hydrostatic, without any of the disadvantages. The
> controls would be 
> expensive, being essentially two controllers, but
> also needing a 
> coordination between the two: a good example is an
> electric wheelchair.
> Anton
> On Apr 8, 2004, at 11:42 AM, George3476 aol com
> wrote:
> 
> > Hi David, yes, I feel the same way about a
> possible ZTR EV mower with 
> > a range
> > of attachments...sometimes ideas get ahead of
> technology to support 
> > it...it's
> > snip
> 
> 
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