Dave,
I have a Trace 1524 - same size as 3624 that I've used quite successfully
with my I-5.
I put it in a Sears garden tractor tool-bin, that I've attached to the back
of the ET. I put in a cutoff switch inside the tool bin - for a safety
disconnect, and wired the inverter to the four rear batteries.
In use, with the tractor parked, I prop open the lid of the tool-bin so the
inverter gets some air circulation, push the inverter power button, plug
into a receptacle box I wired to the inverter output, and chainsaw away.
My I-5 actually has a small Anderson connector bolted to the rear of the
right fender - but it is currently wired for full 36V. If I rewire that
connector, I'll be able to make the inverter a pluggable option for my ET.
No problem running my Husquvarna Electric Chainsaw :)
Monty McGraw
Spring, TX
working I-5
one I-5 and E-20 that need work
Electric '88 Pontiac Fiero GT
Electric Postal Van
----- Original Message -----
From: "daveb" <daveb seanet com>
To: "Chris Zach" <czach computer org>; "Markus Lorch" <mlorch vt edu>
Cc: <Elec-trak cosmos phy tufts edu>
Sent: Friday, April 30, 2004 9:52 AM
Subject: Re: (ET) PV powered ET more questions
Chris,
Is the trace DR3624 small enough to be mounted on the e-trac? I've been
looking for an inverter that I could mount on the e-trac to run a 110v
chainsaw out in the "north 40". maybe this is it?
thanks
dave
--
Open WebMail Project (http://openwebmail.org)
---------- Original Message -----------
From: Chris Zach <czach computer org>
To: Markus Lorch <mlorch vt edu>
Cc: Elec-trak cosmos phy tufts edu
Sent: Thu, 29 Apr 2004 22:25:25 -0400
Subject: Re: (ET) PV powered ET more questions
Um no.
If the higher capacity batteries are in series with the low capacity
ones and you run the charger, what will happen? Either you will boil
and overcharge the lower ones to charge up the higher ones, or you will
never fully charge the higher capacity batteries.
The "right" solution is a 36 volt inverter. If you're only going to use
a little bit of power, then a 24 volt (better) or a 12 volt could *do*.
However two of your batteries will be out of sync on charging, and
you'll still wind up overcharging some batteries on the pack to get
everything back in sync.
Get a Trace DR3624. You'll have 3,600 watts of power, and it will
pull the pack down evenly. With that you should be able to run anything.
Chainsaw, etc.
Chris
Markus Lorch wrote:
This is so I can use Solar PV to charge my batteries,
carry a small inverter on the ET to run a small
commercial inverter for string trimmers and electric
chain saws (Price Club/CostoCo had a nice deal on
1.75kw Xantrex inverters)
(and run the fridge, a radio and a couple of lights in
a pinch.) (There are a LOT of trees hanging over a LOT
of electric lines anywhere I drive, many more than
10-15 degrees past vertical)
The previous owner of my E20 has put two larger (higher capacity)
batteries in my elec-trak. These drive the 12V components. I also
have a 300W inverter hooked up (cheap $20) to which I connect my
small electric trimmer. It worked fine all afternoon yesterday.
Maybe you can also have two batteries be larger?
see my other post on chargers.
Markus
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