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Old 03-13-2018, 01:28 PM   #17 (permalink)
Cyborg ECU
California98Civic's Avatar
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 5,211

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 64.33 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,853
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Originally Posted by Ecky View Post
... What am I missing?
I am assuming we are downsizing the ICE engine and want to get similar power out of the total set up. Pump losses are parasitic. It is the energy the engine uses trying to suck air past the throttle plate. The boost from a turbo or supercharger reduces that loss. Yes, it uses other energy to do that, but that energy comes from capturing waste energy in heat and braking (plus the grid, sure). I have no idea, really, if simply the eAssist is good enough, better, or equivalent to an eAssist + e-supercharger. I am wondering about it. We'd need to know how much power would be gained from the supercharger and how much power it would cost to run it. Maybe a simple eAssist is better.

See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.

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