Re: (ET) Electricity cost

["goodguyforsure" <goodguyforsure hotmail com>]

Battery cost?  My set ran $380.00.

----- Original Message -----
From: "Christopher Zach" <czach computer org>
To: "elek-trac Discussion group" <elec-trak cosmos phy tufts edu>
Sent: Friday, August 30, 2002 5:14 PM
Subject: Re: (ET) Electricity cost


> 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
> >
> >
> >
>