Michelin wheel motor

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Benonymous
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Michelin wheel motor

Post by Benonymous »

Expect to see more EV products coming out of mainstream industry.


http://www.michelin.co.uk/michelinuk/Af ... s_Id=23759
Gow864
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Michelin wheel motor

Post by Gow864 »

I guess they had no problems dyno testing then.

Bring it on.
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Electrocycle
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Michelin wheel motor

Post by Electrocycle »

interesting concept, using "normal" small diameter, high rpm motors instead of a large diameter low rpm motor.

This would reduce unsprung mass, allow much easier liquid cooling, and make it a lot easier to add a simple two or three speed planetary gearbox to the motor, allowing a broader efficiency range.

I like it :)
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woody
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Michelin wheel motor

Post by woody »

That's a 195/55R16 tyre for scale.

The drive motor is offset, I assume this gives a Portal Axle type gear reduction like a Unimog, which could easily give a 10-15:1 reduction ratio with a small percentage loss.

I like the bit of wood or sponge in the outside shot, and the 6 wire connector which stops it rolling away in the inside shot.

Shows that the engineers are still working on it :-)

cheers,
Woody
Planned EV: '63 Cortina using AC and LiFePO4 Battery Pack
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woody
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Michelin wheel motor

Post by woody »

Tree Hugger says the whole setup weighs 43kg each wheel.

Per axle 35/24kg unsprung (front/rear) compared to a Clio with 38 kg unsprung on the front axle seems better, but the cynic in me thinks the Clio was chosen because it has the highest unsprung weight around :-)
Planned EV: '63 Cortina using AC and LiFePO4 Battery Pack
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