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TomT
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Wed Feb 29, 2012 11:14 pm

In my case, it is not caring... I drive only slow enough to meet my range needs on a given day and I make little effort to hypermile on a regular basis.
N1ghtrider wrote:Tony, how can we explain only a dozen of us reporting actually achieving over 100 miles on a charge? :?: How many members of the forum are there? Is it a matter of people not knowing how to maximize mileage; not caring; or what?
Leaf SL 2011 to 2016, Volt Premier 2016 to 2019, and now:
2019 Tesla Model 3; LR, RWD, FSD, 19" Sport Wheels, silver/black; built 3/17/19, delivered 3/29/19.

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Nubo
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Wed Feb 29, 2012 11:40 pm

spike09 wrote:
copdoc wrote:I can only speak for me, but I don't see the point. My regular driving has only passed 50 miles in a day once or twice in February. Though I drive carefully, I'd rather not have to think about how to get to 100 miles, preferring instead to auto-charge to 80% and just not worry about it.

All of you have proved it can be done if I cared to -- that's good enough for me.
You Never Know Until You Try
+1. It's one thing to read about it, another to put it into practice. Good to know how to stretch it, see it react and push the envelope for yourself. Could come in handy someday. Same reason why, in the snow belt, I would take a new car to a parking lot to do skids, slides and "donuts".

In my case, yes I deliberately had to take a route designed to run 100 miles into the pack at speeds which had a decent chance of allowing that to happen. Not sure if it was in the spirit of the challenge, but I thought it a valuable exercise. If you limit to actually running 100 miles in the course of your "regular" driving then it will be fairly rare that 100 miles and arrival home on some leg, would coincide. My commute is just shy of 30 miles, with about 8 unavoidable freeway miles and some hills. I've run 3 consecutive commutes without a charge. Doubt I could squeeze in a fourth even under optimal weather conditions, without driving in a socially unacceptable manner. Maybe I'll get lucky and there will be traffic jams 4 days in a row :lol:
I noticed you're still working with polymers.

LEAFfan
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 12:22 am

N1ghtrider wrote:Tony, how can we explain only a dozen of us reporting actually achieving over 100 miles on a charge? :?: How many members of the forum are there? Is it a matter of people not knowing how to maximize mileage; not caring; or what?
For me, I don't need to actually drive the 100 miles or more(charging to 80%) or the 135 or more miles with a 100% charge. For example, in October I could have driven about 110 miles on an 80% charge and 135 miles on a 100% charge if I had chosen to do so. I AVERAGED 6.4m/kW h on the dash for the whole month! And a few times, I averaged 6.8m/kW h on a single charge during that month. The highest m/kW h on the dash was 7.1 on a 15 mile trip. So just taking the average, here is the math: 6.4X17 (80% charge)=109miles or 6.4X21 (100% charge)=134. These are very accurate numbers(within a mile or two). Notice that the GOM isn't used at all. In October, I was #1 for driving efficiency in the U.S. and 11th in the world. As some others have said, when the day's driving is done, I usually recharge for the next day's driving (may have driven anywhere from 50-95 miles with 6.4-6.5 on the dash) which means it would be no problem to reach over 100 or 135 depending on the previous charge.
However, I can see how it would be a challenge for people living in cooler climates and hilly terrain plus freeway driving to achieve 4.8m/kW h and actually drive 100 miles on a 100% charge and that's great for those accomplishing that. It takes some really good hypermiling to reach that under those conditions.
2013 LEAF SV Del. 2/28/13
2013 LEAF World Record for Most Miles Driven On One Charge-188 miles/8.8 m/kW h
4.8 kW DC PV ($ .91/W fully installed)/ Dec., 2010

LEAFfan
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 12:37 am

Nubo wrote:
spike09 wrote:I can only speak for me, but I don't see the point. My regular driving has only passed 50 miles in a day once or twice in February. Though I drive carefully, I'd rather not have to think about how to get to 100 miles, preferring instead to auto-charge to 80% and just not worry about it.

All of you have proved it can be done if I cared to -- that's good enough for me.
Good to know how to stretch it, see it react and push the envelope for yourself.
If you really want to know how to stretch it, get yourself an SOC meter. I can take it down to just before Turtle now if I would need to. EVERY TIME, 17.4% is LBW, 8.5% is VLBW, and 2.4% is Turtle. If there is anyone that has done this with Gary's meter, I would be curious if it reads the same. This is the BEST way to know what you have and how far you can go. It makes no difference on how hot or cold it is, how fast you go, terrain, or how much wind, etc., it will always show those %s when LBW, VLBW, and Turtle appear.
2013 LEAF SV Del. 2/28/13
2013 LEAF World Record for Most Miles Driven On One Charge-188 miles/8.8 m/kW h
4.8 kW DC PV ($ .91/W fully installed)/ Dec., 2010

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spike09
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 8:50 am

EVDrive wrote:I usually get 60 to 70 miles on a charge and travel between 50 to 70mph. I made it 85 miles on a charge once, never 100 miles. I live in the East Bay Area and going nowhere is flat, anywhere else is up or down.

I could get 100 miles on a single charge, I bet, if I drove on a flat route at speeds below 40 mph for hours wasting time just proving that I could do it. I tried on the freeway a few times to go the distance, but everyone passes so fast, I cause a hazard. No thanks, I'd rather have somewhere to go and get where I am going. In a pinch I'll go for the distance.
Freeway driving is stressful. Commuting on side streets also has its challenges but is a definite change of pace. Best to enjoy all your new car offers. Before the Leaf the option to take an EV 100 miles or on the freeway was extremely limited.

Plan a leisurely Sunday drive to a restaurant that is 50 miles away and magically you have driven 100 miles on a charge! Just don't forget to charge up before you leave. :lol:
Brilliant Silver 2012 Nissan LEAF SL : Reserved 4/21/10 : Ordered 7/28/11 : Delivered 12/15/11 : Sold 07/30/18 : 79 Months : 56K miles : 11 Bars (Free Battery Swap at 36 months) : Powered by 5kW Solar Array : Pearl White 2018 Tesla M3 AWD 08/04/18

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Nubo
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 9:27 am

LEAFfan wrote: If you really want to know how to stretch it, get yourself an SOC meter. I can take it down to just before Turtle now if I would need to. EVERY TIME, 17.4% is LBW, 8.5% is VLBW, and 2.4% is Turtle.
Thinking about it. But who knows, maybe we are only a firmware update away from having this on the console. For now, using the time-to-charge readout gives decent resolution.
I noticed you're still working with polymers.

edatoakrun
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 10:34 am

Several recent posts on this thread saying hills limit their range, suggest the same underestimate of energy ascent recovery, as is shown in the range chart. Most of the energy used in climbing, will be recovered, as long as you return to the same altitude you started from.

In fact, I think most all those who regularly drive their LEAFs with large ascents and descents, have found similar ratios of ascent energy recovery that I have, about 80%, rather than the 50% shown in the range chart.

So while ascent is a significant factor in trips with ascents and descents of thousands of feet, it is a smaller variable, when only totaling hundreds of feet, than battery/ambient temperature.

The greatest range variable, by far, is speed.

I have never done a 100 mile drive without recharging simply because it is not easy to safely drive, slowly enough, on a flat enough road, near my home. My longest range drive, over 92 miles to just past VLBW, on a hot summer day averaging about 40 mph, was a two way trip on the road profile below, with the first few (left of profile) miles repeated several times at the end, for a total ascent/descent of between 5,000 and 5,500 ft.

Maybe this Summer, I’ll try to repeat a few of the relatively flat miles near Burney Falls State Park, at the right of the profile, at low speed, to reach 100 miles with 5,000 feet of ascent and descent. It shouldn't be too difficult.

Image
no condition is permanent

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TonyWilliams
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 3:28 pm

LEAFfan wrote: get yourself an SOC meter. I can take it down to just before Turtle now if I w EVERY TIME, 17.4% is LBW, 8.5% is VLBW, and 2.4% is Turtle. If there is anyone that has done this with Gary's meter, I would be curious if it reads the same.
You're kidding on the "has anybody done this", right?

Yes, it's been done many, many, many times. The numbers have been on the range chart since last fall.
Last edited by TonyWilliams on Thu Mar 01, 2012 3:40 pm, edited 1 time in total.

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TonyWilliams
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 3:31 pm

Nubo wrote:
LEAFfan wrote: If you really want to know how to stretch it, get yourself an SOC meter. I can take it down to just before Turtle now if I would need to. EVERY TIME, 17.4% is LBW, 8.5% is VLBW, and 2.4% is Turtle.
Thinking about it. But who knows, maybe we are only a firmware update away from having this on the console. For now, using the time-to-charge readout gives decent resolution.
The two methods are not exclusive.

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TonyWilliams
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Re: 100 Mile and 200 km Club, plus Longest Drive (unrefueled

Thu Mar 01, 2012 3:39 pm

spike09 wrote:Are you really certain no one in San Diego has ever attained 100 miles/charge? After all, it is your chart that indicates a Leaf can get 100 miles when you average 49mph (on a level road, no climate control, Temp 70F, windows closed, etc) :mrgreen:
First, let me clarify that the data is specifically >>>NOT<<< average speed.

I did 100 miles... once. 100 miles exactly at mostly 45mph arriving at my house in turtle mode at 2am. There's a whole thread on.

http://www.mynissanleaf.com/viewtopic.p ... 46#p151646" onclick="window.open(this.href);return false;

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