Quote:
Originally Posted by hohenwald48
That makes sense. Since the motor will not be turning any faster than it would during normal operation. However, Using a large ring gear to turn a small pinion gear could create some pretty high torque loads on those gears. If they aren't designed for that it could be a problem but I suspect those gear sets might be subjected to those same loads when coasting down a hill so it may not be an issue.
Sounds like any issues with the regenerative braking systems could be resolved electrically.
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I think you are right. Even if they could leave the regen available, the batteries would charge pretty quick and then something would have to disconnect the regen. Just to give you an idea. We sometimes go up the palm to pines highway for a little drive. Even if we just go to the lookout and turn around, from the look out to the bottom of the hill the car gains 14 KM of range. That is considerably faster than say hooking up to a level 2 charger. My point is that regen is not just a little power being returned, it is a LOT of power. This power would either have to be disconnected at source or shunted in some way. And so expanding on that a bit, both of our cars have no regeneration when the battery is over about 95 percent. In other words there is some mechanism in place already to eliminate regen so that a charged battery doesn't get overcharged. So what would happen if you just dragged it down the road??. No idea...and I'm not going to void my 8 year warranty to find out.
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