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A retrofit may not really be practical or cost effective. many different companies are working on an ISG. One I read about recently used a planetary gear set to get the torque for starting while keeping size small for electric generation.
Also read that Mazda was not going to bring them into the US market because EPA testing does not show the real benefits of them in it's test cycle.
Maybe I just don't understand the pros and cons, but it would seem like you could use the flywheel in almost any car for an IGS. Maybe there is some reason why its not practical that I don't understand. I always liked the idea of no fan belts on a car, been done by many a long time ago. I remember a Bentley that had all the accessories running of a shaft driven by the timing chain, with no fan belts.
No reason to ever say "I should have said" Robert. Not a matter of right or wrong, just more good information, of which you have certainly made a significant contribution.
If you are ever passing through eastern VA stop by for a beer, or beverage of your choice.
regards
Mech
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