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I think that's https://en.wikipedia.org/wiki/Supercharger#Twincharging https://en.wikipedia.org/wiki/Supercharger#Twincharging because they're investing engine
by concede_pluto 9y ago
I think that's https://en.wikipedia.org/wiki/Supercharger#Twincharging https://en.wikipedia.org/wiki/Supercharger#Twincharging because they're investing engine power (via the alternator) as well as otherwise-wasted power from the exhaust.
- funnelsgun 9y agoKinda. The difference between this and twincharging is that the supercharger is spooled by a belt driven by the crankshaft rather than an electric motor. This means that the rotational speed of the turbine (and therefore boost pressure) is proportionate to the current engine speed whereas a 48v electric motor can spool the turbo to 30,000RPM and provide full boost pressure at any engine speed.