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Jun 14th, 2026
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Joined: Feb 2011
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Member of the Inner Circle
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Member of the Inner Circle
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The gearbox was there to add to the sports car experience....all other EVs having no gearchange (as far as I know). Don't forget, this was an experimental car, not intended for production.
Jays
Former Morgan owner. Gone but hopefully not forgotten!
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Joined: Jul 2007
Posts: 28,897 Likes: 352
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,897 Likes: 352 |
I don't understand the gearbox. They talk about a sweet spot.....Then say the engine gives max torque all the time. They say this allows faster acceleration....I thought electric cars did just that?
Anyone know what that's all about?
Nick Marketing speak? 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: May 2010
Posts: 9,545 Likes: 132
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,545 Likes: 132 |
Maybe a sweet spot to maximise the range?
Plus Four MY23 Furka Rouge
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Joined: Mar 2009
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Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
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An electric motor develops maximum torque at stall or zero rotation. So as speed increases the relative amount of torque being developed feels less. In most cases it is sufficient so no gearbox is used (it would have to be STRONG to handle the peak torque). This means at speed the performance is not optimal. As the cars get faster then a gearbox becomes more helpful to keep the speed of rotation lower. I think a few of the road cars are now using gearboxes that have recently been developed for this specific challenge. I think I remember something about the BMW i8 as it is also a range extender with the 3cyl with a good performance envelope. http://www.plugincars.com/gearboxes-are-coming-evs-129152.html http://insideevs.com/zf-multi-speed-transmissions-coming-soon-electric-cars/
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Mar 2009
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Talk Morgan Addict
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Talk Morgan Addict
Joined: Mar 2009
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Thanks Alistair, very informative.
Nick
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