Imiev measured data

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adelaide-ev
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Imiev measured data

Post by adelaide-ev »

Quote:"I ran the car in 40C weather (record breaking for the sunshine coast hinterland) a few days ago with AC on over the full 104km tip."

Was there a noticeable reduction in range that you noticed from this??
Was it the up the Hill trip? or the down trip?.
Sally
Last edited by adelaide-ev on Tue, 07 Jan 2014, 05:01, edited 1 time in total.
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Johny
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Post by Johny »

Funny thing is that the battery capacity increases with higher temperature (up to a point) so running the aircon (which keeps the pack temps under control too) probably has little effect. Especially if you only run it when is is uncomfortably warm for the occupants.
My range (not iMiev but similar chemistry and economy) has gone up 13% from my winter driving - not counting heater. This at about 25 to 30 degrees instead of 10 degrees.
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offgridQLD
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Post by offgridQLD »

It was the down hill trip. I had about 4 bars on the gauge when i got home and I wasn't taking it easy. I would say over the 1hr 20min drive it would have consumed about 1/2 - 3/4 kwh max.

I just use he AC all the time now in summer. Set it to auto and it blasts you with cold air when you first start of then it slowly adjusts the fan speed as the cabin cools down. Yesterday until the storm broke the humidity in Brisbane was so bad you could almost swim through air. I spent most of the day driving all over town in it. Over 100km of city 50- 60 - 80km driving in the one day with AC on all the time.

Just use it and be comfortableImage

The heater is a different story aviod it and use the electric seat warmer and perhaps a little AC to defog then switch to outside air wash over the front window.

Kurt
Last edited by offgridQLD on Tue, 07 Jan 2014, 05:14, edited 1 time in total.
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g4qber
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Post by g4qber »

add dummy files to BT_CAN folder - I use ES file explorer
eg.
nomaps.txt - to not show maps

I've noticed that the fps drops when these features are disabled.
ie. down to 213 gps vs 413 fps

does anyone have a 2010 imiev?
if so then it seems that version 107 works but not 112
tested last night on Simon's imiev
Last edited by g4qber on Tue, 07 Jan 2014, 05:16, edited 1 time in total.
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offgridQLD
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Imiev measured data

Post by offgridQLD »

Great thanks. I will give it a go. I don't use the two features.

Kurt
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g4qber
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Post by g4qber »

need to "allow installation of apps from unknown sources" in security section on android.

btion0107.apk.zip

btion0112.apk.zip

note: to install 107, need to uninstall 112 first.

accelerator history doesn't seem to work with 2010 imiev.
Last edited by g4qber on Tue, 07 Jan 2014, 05:27, edited 1 time in total.
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offgridQLD
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Post by offgridQLD »

Ok , I just used ESfile explorer to make two new text files named nomaps.txt and nocockpit.txt . That did remove them both from view on canion. The FPS only dropped from just over 400fps to 330 - 350fps with them removed.

I guess I am doing something wrong?

Kurt
Last edited by offgridQLD on Tue, 07 Jan 2014, 05:38, edited 1 time in total.
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g4qber
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Post by g4qber »

No you are not doing anything wrong i think I had more options turned off
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Gabz
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Post by Gabz »

g4qber wrote: half deciding to get one myself, currently on special $US99.95 vs $US199.95 + postage.
http://www.scantool.net/obdlink-mx.html

did have a look earlier in the year but the price was a bit steep.

<edit> ordered one now, yeah!


I'm about to order one now too this thread has made me jealous.

has anyone tried the http://www.scantool.net/obdlink-lx.html
Last edited by Gabz on Tue, 07 Jan 2014, 14:18, edited 1 time in total.
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g4qber
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Post by g4qber »

Dongle was delivered today

Pretty fast service.
Now I can return the loan dongle to acmotor with thanks.

Hopefully this tech stuff may be in the next gen imiev. One for tech heads.

It is good that they kept it simple though.

One of the reasons I Shied away from the leaf. Cos it was too tech and I had got out of my tech phase.
But with the i3 might have to put up with the tech again. :|
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g4qber
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Post by g4qber »

Isn't the a/c supposed to keep the batt pack cool?

temp was 43.3 max.
http://www.bom.gov.au/climate/dwo/IDCJD ... test.shtml


Image
Last edited by g4qber on Sun, 12 Jan 2014, 08:43, edited 1 time in total.
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g4qber
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Post by g4qber »

I seem to have to pull the dongle out every so often, this is getting annoying I wonder if the other dongle recommended for use with CanIon would have a similar issue.

I may order one to compare between the two.
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Gabz
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Post by Gabz »

which one did you buy again ?
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g4qber
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Post by g4qber »

http://myimiev.com/forum/viewtopic.php? ... &start=170


the OBDLink MX
same as Kurt's and still have ac's on loan.

I like the LX's green colour
http://www.scantool.net/obdlink-lx.html

just ordered the Batman one.
$AUD144
http://batman.homelinux.com/blog/stn117 ... i-adapter/
Last edited by g4qber on Sun, 12 Jan 2014, 08:41, edited 1 time in total.
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Gabz
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Post by Gabz »

the batman ones are the same chip as the lx and mx i'm afraid you might of just wasted some money

I have a lx on the way it's in LA waiting to cross the pond
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offgridQLD
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Imiev measured data

Post by offgridQLD »

43.3 deg C ambient temp in the shade and your battery's got to 48 deg C. Under 5 deg C gain.

I have never really looked into how the AC cooled the battery I was under the impression it was cooled via the AC during fast charging if needed. Perhaps it's the same while driving.

If so whats the trigger point (battery temp) for the AC to come on and diversion vent valve? to open and flow air to the battery compartment. Perhaps its 50C ?

If it cools while driving I hope its a closed system so you don't loose all your AC air out to atmosphere after flowing through the battery box.



Kurt
Last edited by offgridQLD on Sun, 12 Jan 2014, 09:10, edited 1 time in total.
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Gabz
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Post by Gabz »

my lx turned up today $30 cheaper than the mx seems to work fine

Image

looks like Mitsubishi can do a good bms another lot very flat cell voltages.
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Post by carnut1100 »

I've recorded my best and worst consumption this week.

On a mostly downhill run to work I got 110 Wh/km then recharged at work for a long run.
Got home with turtle as I approached the house, 113km and 140 Wh/km wall to wheel.

Then some running around town in the heatwave aircon on max, 310 Wh/km...,

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offgridQLD
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Post by offgridQLD »

Tazy - heatwave Image 25 deg C should be ideal EV weather Image

Kurt
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Johny
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Post by Johny »

carnut1100 wrote: Then some running around town in the heatwave aircon on max, 310 Wh/km...,
Heatwave? You have got to be kidding. It peaked 25 degrees in most parts of Hobart while we had 42 degrees in Melbourne and it lasted WAY longer. The mainland is cooking - and on fire.
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offgridQLD
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Post by offgridQLD »

I think they are forecast for 38c tomorrow though. Not sure for how long that peek will last.

This map below of the past weeks temps sure paints a clear picture who is boiling.

Image

Kurt
Last edited by offgridQLD on Thu, 16 Jan 2014, 03:54, edited 1 time in total.
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Post by Johny »

Compare that with the three day forecast starting yesterday. Parts of Tassie are in for it too!
Image
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offgridQLD
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Post by offgridQLD »

Sure looks like its sweeping across.

low 30's and some rain for the next week in Brisbane. Just shows how diverse the weather can be in this country.

Oh well keep the Imiev in the shade - park on grass when you can and try not to let the battery get to hot. I'm not overly pedantic but I do keep it in mind.

Kurt
Last edited by offgridQLD on Thu, 16 Jan 2014, 04:29, edited 1 time in total.
adelaide-ev
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Post by adelaide-ev »

Aftermarket remote control shade tracking would go down well at present in Adelaide! (dons large sunhat for manual shade tracking...again...)
have been moving my i around the front yard under various trees this week as we climb towards 46 today. No sign of power down mode yet though.
Last edited by adelaide-ev on Thu, 16 Jan 2014, 06:29, edited 1 time in total.
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offgridQLD
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Post by offgridQLD »

46C Sounds like a good day to drive the car to a large shopping center and park it deep in the cooler underground car park and bathe in there free air conditioning all day.

Any one who has canion app in the heat wave. Are your battery's following ambient temp after a few hot days? My thinking is because of the battery's thermal mass they would take a while to get hot but once they got as hot as the ambient temp they would stay at or above ambient temp for a long time.

I'm keen to find more info about how the Air conditioning of the Imiev battery box works.Or more particularly what is the trigger point temp to start directing cool AC air down there and dose it take full control of the AC system. For example if you have the AC set to off and the battery gets hot will it Automatically come on, if the car is in run mode? Dose anyone have a diagram of the diversion valve and the location?

Perhaps some one will capture it on canion and be able to show a sudden change in battery temp as the AC air is directed into the pack.

Or is the Air conditioned cooling of the battery box only used when fast charging?


Kurt

Last edited by offgridQLD on Thu, 16 Jan 2014, 06:51, edited 1 time in total.
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