[LINK] Standards, please! The third coming of electric vehicles

[Richard Chirgwin]

Oh, no argument there, except to observe that they'd surely have tested 
a lot of different options behind closed doors.

And, I guess, they're probably working in a patch they consider to be 
patent-safe!

RC

On 22/04/12 5:05 PM, Karl Auer wrote:
> On Sun, 2012-04-22 at 16:42 +1000, Richard Chirgwin wrote:
>> Let's say, rather, that they're not yet on the market ...
>>
>> http://www.mitsubishi-motors.com/corporate/about_us/technology/environment/e/miev.html
> I wish them well, but feel that the in-wheel design will cost them
> dearly.
>
> It will help handling and weight distribution, get rid of the diff and
> drive shaft, allow better distribution of battery weight, allow more
> room inside the capsule and probably allow for *really good* skid
> control software. Theoretically you could even selectively reverse
> wheels :-)
>
> The multi-motor idea also makes for a vehicle that can be made
> "fail-safer" in the sense that one or motors can fail without leaving
> the vehicle stopped. It seems unlikely that any advantage has been taken
> of this.
>
> I wonder whether the additional rotating mass in the wheel will cause
> the wheel to resist steering inputs significantly more?
>
> Anyway, whatever the benefits, I think having the motors bouncing up and
> down, at the mercy of the road, so to speak, is a very bad idea. Quite
> apart from almost certainly making for worse road handling and a less
> comfortable ride, they are also maximally exposed to dust, dirt, water
> and so on. They seem a very expensive item to treat that way.
>
> Regards, K.
>
>
>
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