sci.energy

"John" wrote in message
news:7ue3c3pekbf7euqd0g4v46gobfr33vmt8v@ ...
> On Wed, 27 Jun 2007 17:08:11 GMT, Eeyore
> wrote:
>
>>
>>
>>Anthony Matonak wrote:
>>
>>> Alex Terrell wrote:
>>> > On 27 Jun, 03:34, Eeyore
>>> > wrote:
>>> >> You only need mechanical brakes if the regenerative braking isn't up
>>> >> to the task. That
>>> >> converted Mini has no friction brakes AIUI.
>>>
>>> That converted Mini did have friction brakes but they weren't very
>>> blatant. I think they were using some kind of drum/cable setup.
>>
>>That would be fine for a parking brake.
>>
>>Graham
>
> Regenerative brakes NEVER completely stop a car. They only slow down
> the car

A small problem with the Prius is that the brake discs have surface rust as
the pads rarely engage. Almost 100% of braking is via re-gen.