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Re: (ET) Intro: Just bought an Elec-Trac
- Subject: Re: (ET) Intro: Just bought an Elec-Trac
- From: "David Roden (Akron OH USA)" <roden ald net>
- Date: Mon, 7 Jan 2002 11:31:49 -0500
- In-reply-to: <02ca01c19719$b7ca7580$283f61cf@crystel.com>
- Sender: owner-elec-trak cosmos phy tufts edu
On 6 Jan 2002 at 20:22, Christopher Zach wrote:
> I'm planning on putting new batteries in, and replacing the main charger
> with a 12 volt input to the batteries (in parallel with diode blockers).
The electrical engineers on the list should correct me if I'm wrong, but
I think this will only work if you have a separate, isolated charger for
each 12v battery. If you want to use a single charger, connecting the
batteries in parallel to charge and in series to run, I believe you will
need multiple heavy-duty switches, heavy-duty contactors (relays), or
quick-change plug connectors.
There may be a way to substitute diodes for ~some~ of the contactors.
I charge my tractor with three 12v battery chargers. Works great. No
diode isolation needed.
> 1) Can one run 3 12 volt batteries, or does the Elec-Trak need 6 6volts?
I use six group 24 12v gel batteries in series parallel. Works well for
me. They have appreciably less capacity than six 6-v golf car batteries
in series, but it's enough capacity for my needs.
I connected the lift motor to 24 volts. No problems so far.
> 2) Can one use standard golf cart batteries, or do I get the T105's?
T-105s ~are~ standard golf car batteries.
> Anyone live in NJ and want to help me get this thing onto a truck?
Sorry, don't live there ... <g>
> 4) Is it possible to put the mower on the center of the tractor instead
> of out front?
The E12M had a mid-mount mower. Its chassis is a little longer to
accommodate it. I think you would have to make major changes in the
mower or tractor to make this work.
5) Is it possible to put a clipping bagger on the tractor, or
> is that not going to work?
There is a vacuum gadget that was made for the ET that trails along
behind the tractor. Don't know about simple baggers, though. I don't
think GE ever made one.
David Roden - Akron, Ohio, USA
1991 Solectria Force 144vac
1991 Ford Escort Green/EV 128vdc
1979 General Engines ElectroPed 24vdc
1970 GE Elec-trak E15 36vdc
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