This is a crazy question, that some of us came up with sitting around the shop tonight. What would happen, or is it possible, to hook the outlet from the supercharger to the inlet of the Turbo and then into the motor??? Just something to think about!!
ive actually seen a turbo feeding into a roots type blower before.... as well as an older car that was featured in popular hot rodding a while ago that had 2 roots type blowers and twin turbos. i dont really think the gains you would see are worth the work necessary to make it run well, but its a pretty cool idea.
and i THINK that some firetrucks have something like that...
The only advantage I could see is cooler air spooling up the turbo. I'm not a brainiac so I don't know. Sounds lke something a bunch of drunkin gear heads would discuss at the local watering hole. heheh
More shafts, more belts, more mass, more plumbing = more parasitic loss, lowered efficiency. Pump gas can only handle so much and you can go beyond that with any single form of forced induction.
Kinda along the same line, but Volkswagen is experimenting with a supercharger/turbo setup for the new Jetta's. The supercharger works up to like 3000 rpm and then it switches to the turbo. The supercharger will have a clutch like an A/C on it.
No reason to do this on a gas engine. This is done on Detroit diesels but diesels do not care how much you force feed them, the more the better. What you have on the Detroit is the turbos force feed the roots type blower.
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
Turbo and supercharger question.
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