New EV Profiler; a rentable driving analyzer

[McDesign]

Just saw this product http://www.123evp.com/Home.aspx in GizMag this AM; realized the company is in Atlanta, called and ordered one.

Basically, it's a device that looks like a radar detector, that you rent from an auto dealer or from the manufacturer. You stick it to your windshield, plug it into your cigarette lighter, and drive your normal commute in your IC car.

It analyzes speeds, accelerations, times, distances, and then downloads info to your computer to prepare a report like this -



Since I'm driving my commute while I plan for my EV conversion, this couldbe very useful, and I'll have a direct comparison with reality when I complete my conversion.

Cool stuff - will keep the thread updated.

Forrest

 

[McDesign]

I'll update this thread as well as my Honda Accord conversion thread.

The EV Profiler is working well. I get an e-mail each night with the (below) graphs of my daily travels. What I've learned immediately is that a Nissan Leaf (21 kWh battery pack) or Ford Focus EV (23 kWh) won't carry me as far as I need to go in the AM, much less get me home at night. Fooling with the sliders on the EV Profiler report, If I reduce my speed on the interstate from 77 to 55, I might arrive at work - but who's got the time?

Looks like I will need ~40 kWh to meet my goals; maybe ~32 if I count on recharging some at work during the day.

View attachment 1



Forrest

 

[McDesign]

Darned interesting results below from identical morning commutes. In the first graph, I just drove with traffic on I-20 (which is most of the commute); maintaining a speed of 76-82 mph for that part of my morning commute.

That used 115% of a Nissan Leaf battery to go 64.6 miles.
Assuming a Leaf has a 21 kWh pack, that's 374 Watt-hours / mile.


In the second graph, I set the cruise control at about 69 mph for the same commute.

That used 88.6% of a Nissan Leaf battery to go a bit further; 67.5 miles
Assuming a leaf has a 21 kWh pack, that's 276 Watt-hours / mile.



That's a freakin' huge difference!

Some of the driving is around in a small town with traffic lights as I drop my daughter off at the high school, and hence time-variable, so the fact that the slower commute took only five minutes longer total is probably meaningless.

Anyway - way cool product.

Forrest