Just a quick thought - Victor at Metric Mind has a great gauge/monitor, check it out at http://www.metricmind.com/products/evision-2/
Rush www.TucsonEV.com > -----Original Message----- > From: ev-boun...@lists.evdl.org [mailto:ev-boun...@lists.evdl.org] On > Behalf Of Bruce EVangel Parmenter > Sent: Thursday, May 09, 2013 10:55 AM > To: ev@lists.evdl.org > Subject: [EVDL] Need for an e-meter add-on product for Production plugins > ... > > [ref > http://electric-vehicle-discussion-list.413529.n4.nabble.com/2011-or-2012- > leaf-60-miles-at-65-MPH-NO-WAY-tp4662871p4662918.html > ] > > So, isn't there an add-on product that anyone offers for Production plugins > that is akin to the e-meter I mentioned? > Wasn't there a Leaf forum member called ?Enginr? that offered Leaf product > add-ons? > If not, then there is a business opportunity for some enterprising type to > offer them. > > If someone did offer said e-meter, it should have at least the same > abilities/features as the link-10, and perhaps more. > Instead of a clunky piece of hardware that the customer would have to find > a place for it to be mounted, maybe it could either be and app that is used > on the smart phone, or the hardware is mounted in a hidden spot but its > data fed to the on-board computer/infotainment system(? can data be fed > to that system, or is it only a one-way output ability ?). > > If the on-board system had wireless/wifi and could bring up a web page, > perhaps the data could be fed to that page and then it would show on the > on-board display as a web-page. > > Production plugin drivers: > -would you find an ability to read AH or kWh status of your pack, and know > how many are going in or out of the pack, useful? > > -what other abilities/features o this e-meter product would you want? > > -would you want to buy said product? What price range? > > -Is there any room on top of the dashboard or under the dash in your plugin > for this product? If so, how big or small should it be? > > Comments/corrections/ideas welcome. > > > {brucedp.150m.com} > > > > - > On Thu, May 9, 2013, at 08:36 AM, Ed Blackmond wrote: > > It also as an estimated time to charge display. My charge timers are > > set to 80%, so this display presents the estimated time to charge to 80%. > > Like the "peacock" gage it is not linear, but I think it has a little > > better resolution than the "peacock" gage. > > > > The accuracy of its estimate is off by about an hour. When it > > estimates six hours to charge, it takes about five. > - > > - > > On Thu, 9 May 2013, Peri Hartman wrote: > > > It has no AH or kWh of any sort. Just the "peacock" gage, showing > > > coarsely the remaining charge. > - > > > > > -----Original Message----- > > > From: ev-boun...@lists.evdl.org [mailto:ev-boun...@lists.evdl.org] > > > On Behalf Of Bruce EVangel Parmenter > > > Sent: 09 May, 2013 7:45 AM > > > To: Electric Vehicle Discussion List > > > Subject: Re: [EVDL] 2011 or 2012 leaf - 60 miles at 65 MPH - NO WAY! > > > > > > The Leaf' s guess-o-meter is sounding more and more like the ancient > > > way EV'rs would know their pack's SOC by using an in-dash volt meter > > > that read the pack's surface voltage. I found that to be very inaccurate. > > > > > > It wasn't until I had installed a link-10 e-meter that read out AH > > > in or out that EV driving became even more beautiful > > > http://brucedp02.150m.com/lvnedra02/f_lvnedra020323-015.jpg > > > http://brucedp02.150m.com/saced02/saced02-04.jpg > > > > > > > > > [That e-meter product is no longer sold, and its replacement has > > > been discussed on the evdl > > > http://electric-vehicle-discussion-list.413529.n4.nabble.com/Link-10 > > > -e-meter > > > -replacement-td4659492.html > > > ] > > > > > > With that e-meter, I could now know much more accurately how much > > > energy I had left in the pack, and mentally translate that to miles > > > depending on the terrain I would be driving (max miles on steady > > > flat driving, much less when climbing in the mountains, etc.). > > > > > > Doesn't the leaf have an AH or kWh display that would constantly > > > show how much energy is left in the pack? I would assume it does, so > > > if I could drive a Leaf EV (my body does not fit), I would use that > > > AH or kWh reading instead of using the Leaf's guess-o-meter. > > > > > > Like the way I used the old Link-10 e-meter during charging, I would > > > also use the (assumed) Leaf AH or kWh display to measure the charge > > > flow (showing how much the pack was depleted & the amps going in, so > > > as to know how much time would be needed before unplugging and > > > hitting the road again. i.e.: do I have time to do some shopping, > > > and or grab a bite of something healthy to eat?) > > > > > > > > > {brucedp.150m.com} > > > > > > > > > > > > - > > > On Tue, May 7, 2013, at 07:55 AM, Ed Blackmond wrote: > > > > The first thing you need to learn about your Leaf's > > > > instrumentation, is to completely ignore the Distance To Empty > > > > number. The best thing you can say about it is that it is > > > > inaccurate. For a DTE meter, there are two important numbers (and > > > > they are equally important): How far can the car go under the > > > > current conditions and how far can the car go under ideal > > > > conditions. The single DTE number on the Leaf has no relationship to > either number. Learn to ignore it. > > > > > > > > Next, note that the state of charge meter is not linear. Learn > > > > how far you can go under ideal conditions on the last two or three > > > > bars. When I lose the third to last bar (two left), I know I can > > > > go about 25 miles under ideal conditions. In the 21 months > > > > (~23,000 miles) I have owned my Leaf, I have had to rely on this > > > > about 10 times. I can get 25 miles and that hasn't changed as the > > > > car and battery pack aged. Driving the same way I have never > > > > gotten more than six miles on the 12th bar (full charge); I can only get > four or five now. > > > > > > > > The estimated time to charge at 120V is a little more reasonable > > > > indicator than the state of charge bars. This too is a bit non linear. > > > > I drive 12 miles to work and it shows 4 hours to 80%. Most days I > > > > stop at the gym for a few hours before work. This also takes 4 hours to > 80%. > > > > When I power up after my workout and drive 1/2 mile to work, it > > > > shows 4.5 hours to 80%. When I come out to my car at lunch it > > > > shows another half hour loss. For some reason they add half an > > > > hour to this number each time the car is powered up. > > > > > > > > While it takes 4 hours to 80% for me to drive the 12 miles to > > > > work, I can make the trip home and back and back home on 8 more > > > > hours. So even with this, it is necessary to apply a non-linear > > > > function to see how far the car can go. On mine, the low battery > > > > warning comes on at 15 hours to 80% and I have driven as far as 19 > > > > hours. By this point the DTE number has shut off making it just as > useless as when it is on. > > > > > > > > The important thing to note is that while the instrumentation when > > > > the car is fully charged (to 80% or 100%) has changed a bit over > > > > the last 21 months, the performance at the bottom as remained > > > > constant. That is a comforting thought. While my total range is > > > > a bit less than it was originally, the range near at the bottom > > > > has remained constant. If I'm less than 25 miles from home with > > > > more than two bars showing, I know I'm good. > > > > > > > > Also note that other people report slightly different behavior. > > > > It is important to know the characteristics of your car. > - > > -- > http://www.fastmail.fm - Access all of your messages and folders > wherever you are > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA > (http://groups.yahoo.com/group/NEDRA) > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.3272 / Virus Database: 3162/6309 - Release Date: 05/08/13 _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
