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I'm going to be doing the long test drive in about 45 minutes. I won't be able to do the highway for about half of it, so I guess it won't be a perfect test.
 
If that's the same Leaf it lost 3% battery and 4 AHr since the last reading, not normal. The more you drive it, the more it will keep dropping. Are you doing a full range test?
 
alozzy said:
If that's the same Leaf it lost 3% battery and 4 AHr since the last reading, not normal. The more you drive it, the more it will keep dropping. Are you doing a full range test?
Click to expand...
Yes. I'm doing it right now. So far not looking too good.
 
alozzy said:
Pretty sure the EPA range was 75 miles, but based on 90% discharge. So, you're right - 83 miles.
Click to expand...
It's 84 miles at 100% charge on a '13:
http://insideevs.com/2013-nissan-leaf-rated-at-75-miles-but-84-miles-using-the-old-system/
http://insideevs.com/2014-nissan-leaf-mostly-unchanged-as-range-technically-moves-up-to-84-miles/
LeftieBiker said:
What was the most common speed on that range test? It can't have been fast, because the EPA range rating when new was 83 miles, IIRC.
Click to expand...
See https://priuschat.com/threads/car-and-driver-the-truth-about-epa-city-highway-mpg-estimates.67235/ for pointers to info about the EPA tests. Click thru the tabs at https://www.fueleconomy.gov/feg/fe_test_schedules.shtml, keeping in mind it's not done on a real road.

Other background info and discussion about how the test was performed on '11 Leafs: http://www.mynissanleaf.com/viewtopic.php?t=2433.
 
cwerdna said:
alozzy said:
Pretty sure the EPA range was 75 miles, but based on 90% discharge. So, you're right - 83 miles.
Click to expand...
It's 84 miles at 100% charge on a '13:
http://insideevs.com/2013-nissan-leaf-rated-at-75-miles-but-84-miles-using-the-old-system/
http://insideevs.com/2014-nissan-leaf-mostly-unchanged-as-range-technically-moves-up-to-84-miles/
LeftieBiker said:
What was the most common speed on that range test? It can't have been fast, because the EPA range rating when new was 83 miles, IIRC.
Click to expand...
See https://priuschat.com/threads/car-and-driver-the-truth-about-epa-city-highway-mpg-estimates.67235/ for pointers to info about the EPA tests. Click thru the tabs at https://www.fueleconomy.gov/feg/fe_test_schedules.shtml, keeping in mind it's not done on a real road.

Other background info and discussion about how the test was performed on '11 Leafs: http://www.mynissanleaf.com/viewtopic.php?t=2433.
Click to expand...

No, I meant to ask what the speed used for the above, private test was estimated to be.
 
The speed varied because when I started, it was stop and go traffick during rush hour. The second half, the road cleared up, so it was more consistent. It didn't seem to make a difference. My max speed was 50mph. I'm really stoked that the test drive was successful! Thank you so much to everyone who gave their input. :D
 
That sounds like an average speed of about 30-35MPH. Tony' range chart should show the range of a new Leaf at that speed. I would guess that the car has roughly 80% of original capacity remaining.
 
LeftieBiker said:
That sounds like an average speed of about 30-35MPH. Tony' range chart should show the range of a new Leaf at that speed. I would guess that the car has roughly 80% of original capacity remaining.
Click to expand...
I forgot to mention that the average temperature was about 50°, so that would affect it by about 7%?
 
LeftieBiker said:
That sounds like an average speed of about 30-35MPH. Tony' range chart should show the range of a new Leaf at that speed. I would guess that the car has roughly 80% of original capacity remaining.
Click to expand...
You cannot take the arithmetic mean of speeds and apply Tony's chart with much accuracy because aero losses are proportional to the square of speed.

Look at this algebra example for aero losses:

Imagine equal time at speeds of x and 2x
Total aero forces are x^2 and 4x^2 for 50% of the trip each, = 2.5X^2

Average Speed is 1.5x, so aero losses are 2.25X^2
 
Since I didn't even look at the range chart, I wasn't applying any arithmetic. I was making a guesstimate, based on my own largely lower speed driving. I think it's a safe bet that the car doesn't still have an EPA range of 80+ miles.
 
I'll keep posting soh updates here whenever it changes on Leafspy. Bottom line is the way I drove it on the test drive is how I'll be driving it back and forth to work, so as long as I have the range, that's ultimately what matters to me.
 

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