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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 10-22-09, 11:25 AM   #1
shingfunger
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unsuspected fixed gear

i didn't expect this to be fixed

http://www.teslamotors.com/
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Old 10-22-09, 11:46 AM   #2
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I'm not finding the fixed gear section. Did some looking... but can't find it.
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Old 10-22-09, 12:22 PM   #3
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its a single speed car with a electric engine


Transmission Single speed fixed gear with electrically-actuated parking lock mechanism and mechanical lubrication pump Overall Final Drive8.28:1 ReverseReverse direction of motor, limited to 15 mph Final Drive Ratio3.12:1
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Old 10-22-09, 12:28 PM   #4
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ss doesn't mean fixed. I saw that. lol.
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Old 10-22-09, 12:30 PM   #5
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no single speed as in one speed not free wheel
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Old 10-22-09, 12:32 PM   #6
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its a single speed car with a electric engine


Transmission Single speed fixed gear with electrically-actuated parking lock mechanism and mechanical lubrication pump Overall Final Drive8.28:1 ReverseReverse direction of motor, limited to 15 mph Final Drive Ratio3.12:1
reading comprehension, kids. that's straight from the Tesla website.
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Old 10-22-09, 12:35 PM   #7
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its a single speed car with a electric engine
My wife's Nissan Rogue is technically a "single speed" with an overdrive. The CVT doesn't shift gears.

I saw one of these Tesla cars parked in front of the Museum of Natural History last weekend (probably someone there with the big solar power demo they were doing on the national mall). Its a nice looking car, resembles a GT-500 from the front and an Elise from the rear. I'd drive one.
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Old 10-22-09, 12:37 PM   #8
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lewhand: Lol, I understand the car doesn't have a freewheel. But within the linkage between the motor and the wheels there could be a clutch or not, thats what I was looking for.

Darth: I just couldn't find that passage, thanks for pointing it out, thats what I was looking for.
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Old 10-22-09, 12:39 PM   #9
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lol i wasnt really sure how to explain it
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Old 10-22-09, 12:58 PM   #10
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Old 10-22-09, 01:26 PM   #11
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My wife's Nissan Rogue is technically a "single speed" with an overdrive. The CVT doesn't shift gears.
While it may be gearless, I think a CVT wouldn't technically qualify as "single speed" as it essentially offers infinitely many gear ratios.

But this belongs in foo.
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Old 10-22-09, 01:27 PM   #12
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Originally Posted by HandsomeRyan View Post
My wife's Nissan Rogue is technically a "single speed" with an overdrive. The CVT doesn't shift gears.

I saw one of these Tesla cars parked in front of the Museum of Natural History last weekend (probably someone there with the big solar power demo they were doing on the national mall). Its a nice looking car, resembles a GT-500 from the front and an Elise from the rear. I'd drive one.
chassis sourced from lotus.
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Old 10-22-09, 02:07 PM   #13
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I didnt think the tesla had a CVT, just a single speed. it's 'fixed' because you dont need a torque converter since electric engines dont stall.
you also dont need more than once gear because it spins to 14K RPM

I heard that the 'new' version was going to have 2 gear automatic.
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Old 10-22-09, 02:23 PM   #14
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man i dind't want everyone to argue, just to laugh for a second and move on
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Old 10-22-09, 04:41 PM   #15
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I thought it had a 2 speed gearbox. My buddy works for them, I'll have to ask him. And the chassis is a lotus Elise.
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Old 10-22-09, 04:52 PM   #16
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man i dind't want everyone to argue, just to laugh for a second and move on
Come on man, this is BF.
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Old 10-22-09, 05:55 PM   #17
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I thought it had a 2 speed gearbox. My buddy works for them, I'll have to ask him. And the chassis is a lotus Elise.
forward, reverse?

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Old 10-22-09, 06:09 PM   #18
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Nope. 2 speed forward. I wonder if there is a reverse gear or is that done with the engine reversing. Hmmm....
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Old 10-22-09, 06:49 PM   #19
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Nope. 2 speed forward. I wonder if there is a reverse gear or is that done with the engine reversing. Hmmm....
If you want to go backwards you have to get under the hood and reverse the terminal connections on the battery.
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Old 10-22-09, 06:58 PM   #20
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I just wanted an excuse to post a picture of an old retro-direct drivetrain, I dunno about you guys and your four wheeled cartraptions
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Old 10-22-09, 07:05 PM   #21
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I thought it had a 2 speed gearbox. My buddy works for them, I'll have to ask him. And the chassis is a lotus Elise.
chassis used to be a lotus elise.
tesla wheelbase: 92.6 inches.
lotus elise wheelbase: 90.5 inches.
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Old 10-22-09, 07:46 PM   #22
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man i dind't want everyone to argue, just to laugh for a second and move on
FYI, often laughter is preceded by something funny.

Last edited by JiveTurkey; 10-22-09 at 07:50 PM.
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Old 10-22-09, 07:50 PM   #23
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I thought it had a 2 speed gearbox. My buddy works for them, I'll have to ask him. And the chassis is a lotus Elise.
In development, they were intending on a 2 speed. But the transmission proved too problematic. It just has one speed.
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Old 10-22-09, 07:56 PM   #24
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Theres an old top gear episode that expains all in about 10 min ... : o)
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Old 10-22-09, 07:57 PM   #25
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If you want to go backwards you have to get under the hood and reverse the terminal connections on the battery.
LOL , valet mode .
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