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RE: (ET) ET and actual fuel costs
There is a really neat gizmo called a kill-a-watt meter. It can do that
and more. Have a look:
http://www.thinkgeek.com/gadgets/electronic/7657/
It's only rated for 15 amps (from the wall) but the ET uses a good deal
less than that. I love mine.
James
On Wed, 2005-09-07 at 13:42 -0600, Joe Rock wrote:
> Ok - I understand rate and time to compute kwh, but how did you capture
> the
> total kwh to recharge given that the kw required varies (reduces) over
> time
> as the batteries charge up?
>
> thanks,
> --joe
>
> -----Original Message-----
> From: elec-trak-bounces cosmos phy tufts edu
> [mailto:elec-trak-bounces cosmos phy tufts edu]On Behalf Of Gordon Trump
> Sent: Wednesday, September 07, 2005 10:46 AM
> To: elec-trak cosmos phy tufts edu
> Subject: (ET) ET and actual fuel costs
>
>
> I have over 2 acres of rough terrain, but mostly flat lawn. My old
> Craftsman
> tractor with a pooged 20 hp gas engine needs about 3 gallons (@$3.29 this
> week) = $10 to mow it.
>
> Very heavy mowing this week, but I used my (under restoration) C185 (E15)
> with front deck. Half on Saturday, half Sunday. Recharge power was 6.17
> kw
> and 5.2 kw = 11.37kw = $1.14 at my electric rates.
>
>
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--
James Jarrett <jarrett ccds charlotte nc us>
Charlotte Country Day School