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TimeHorse
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 8:19 am

EVDRIVER wrote:Not sure how you came up with that number, it is a function of the motor RPM and gearing, there is no 98 MPH limit on a single speed drive today. It's about trade offs.
Silly EVDriver, it's because if the LEAF goes faster than 98 mph it will travel through time! You did remember about the Flux Capacitor between the battery and the rear seat, didn't you? :lol:
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 8:29 am

TimeHorse wrote:
EVDRIVER wrote:Not sure how you came up with that number, it is a function of the motor RPM and gearing, there is no 98 MPH limit on a single speed drive today. It's about trade offs.
Silly EVDriver, it's because if the LEAF goes faster than 98 mph it will travel through time! You did remember about the Flux Capacitor between the battery and the rear seat, didn't you? :lol:
Funny. But that was 88mph (shh... don't tell Nissan. They'll limit the speed to 87mph!).
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 8:57 am

EVDRIVER wrote:Not sure how you came up with that number, it is a function of the motor RPM and gearing, there is no 98 MPH limit on a single speed drive today. It's about trade offs.
I'll update the post to make it clear.

I don't remember where I read it.

But yes, it is depends on the rating of the motor and the initial torque we want. Higher the max speed we aim for - lower could be the initial torque affecting 0-60 mph. This was the problem with Roadster. So initially they went for a 2 gear power train which was changed over to a single fixed gear when they switched to BorgWarner.

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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 9:17 am

I wonder how long will battery last at these speeds
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 12:16 pm

Seems like he pretty much floored it at the get-go.

Anyone time the 0-100 kph speed?

Informally, it looked like less than 10 sec.
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 12:28 pm

Boomer23 wrote:Seems like he pretty much floored it at the get-go.

Anyone time the 0-100 kph speed?

Informally, it looked like less than 10 sec.
Looked like that to me, too.

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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 2:32 pm

drees wrote:
Boomer23 wrote:Seems like he pretty much floored it at the get-go.

Anyone time the 0-100 kph speed?

Informally, it looked like less than 10 sec.
Looked like that to me, too.
The time sync shows about 10-11 seconds to 100 kph and 4-5 seconds for 60 kph
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mwalsh
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 3:01 pm

He's doing 3kmh when you first see the dash, @ 8 seconds into the video. It's the latter part of 8 seconds too, and it just ticks over to 20 seconds when he hits 100kph. So 11+ seconds, assuming he truly is flooring it?

BTW, I may not be able to do a 0-60mph run when I drive on October 1st, but I'll be able to get a feel for it compared to my Focii and the (rather slower by comparison) 2.0L Contour I had prior to. The Contour (0-60 in ~ 9.5 seconds) always felt just a hair underpowered to me, though it never bothered me enough to get rid of it for that alone.

Edit: I wonder if the instantly available torque will make it feel faster from a standing start than an comparable ICE car would be?
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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 4:43 pm

mwalsh wrote:He's doing 3kmh when you first see the dash, @ 8 seconds into the video. It's the latter part of 8 seconds too, and it just ticks over to 20 seconds when he hits 100kph. So 11+ seconds, assuming he truly is flooring it?

BTW, I may not be able to do a 0-60mph run when I drive on October 1st, but I'll be able to get a feel for it compared to my Focii and the (rather slower by comparison) 2.0L Contour I had prior to. The Contour (0-60 in ~ 9.5 seconds) always felt just a hair underpowered to me, though it never bothered me enough to get rid of it for that alone.

Edit: I wonder if the instantly available torque will make it feel faster from a standing start than an comparable ICE car would be?
I can say affirmative on that one. With that kind of torque, I should be able to take a vette off the line easily. I heard it will feel like a V6, but with instant torque. ICEs don't have instant torque.

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Re: Video of LEAF traveling at 98 MPH (157 KPH)

Wed Sep 08, 2010 5:22 pm

drees wrote:
evnow wrote:I believe about 98mph is the max single gear electric cars can go - unless some kind of mechanism like Roadster's is included.
Roadster is single gear - no transmission. Top speed 125mph.
Any idea what kind of RPMs the motor is turning at that speed?

(I thought the tesla had a two speed tranny though)
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