Re: (ET) Electricity cost

["Christopher Zach" <czach computer org>]

My E20 costs $0.00 to operate; just another data point :-)

Chris

----- Original Message -----
From: "Bill Alburty" <wilbett earthlink net>
To: "elek-trac Discussion group" <elec-trak cosmos phy tufts edu>
Sent: Friday, August 30, 2002 11:47 AM
Subject: (ET) Electricity cost


>     People have asked how much electricity my E12 uses, how much it costs
to
> operate it. I decided to make a measurement to see. You all might be
interested.
>     My 1-year old T125 batteries were probably something like 85% charged
when I
> put an ammeter in series with the charger plug. Initially, it drew about 
> 9
amps.
> After 2 minutes it was around 5 amps. Several minutes later it had
stabilized at
> 4.05 amps. The voltage was 117.7 VAC..
>     That's 476.685 watts. In 8 hours that would be 3.813 kwh. In my town,
they
> charge us about $.07 per kwh, or 27 cents for that much electricity.  I'm
> supposedly able to mow 3 acres on a full charge. My 8 hp gas mower uses
about
> $1.10 worth of gasoline to do my one acre. So, energy wise, the
operational cost,
> at the point of use, is about 12 times higher for gasoline burners. Tell
that to
> your gas burning neighbor.
>     I'll try this again sometime when the batteries are fully discharged
to see
> how much more the cost would be (probably not much), but this give us an
idea of
> it.
>
> Bill
>
>
>