Quote:
Originally Posted by christofoo
It doesn't need to be a different form-factor from the existing FE instruments, MPGuino, SGII, UG... it just needs another "gauge" on the UI that displays "Engine Efficiency %".
The only question is how will it map BSFC?
Otherwise it needs some additional sensors
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A gauge may be less useful than some kind of visual representation, if I remember right the 1982 Corvette had a tachometer which left to right was the RPM but also had the torque curve under full throttle mapped out to provide more insight into when to be shifting.
My ideal would be an LCD panel providing a visual representation, until youve seen it so much its pretty much memorized and you can turn the display to something else. Acts like a driver training aid. Under "unusual" conditiosn turn it back on.
Sensors shouldn't matter too much - throttle position itself and vaccuum/boost should provide insight into engine load. Were not predicting, just measuring, and going off whatever the factory or us calculates (or estimates) things to be.
Quote:
Originally Posted by GRU
honestly, acceleration is not the most important part, coasting is. you can't constantly look at a screen on your dash to check if you are accelerating corectly
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It may be the biggest part of it, but different load conditions (say in the mountains, heavy winds, trailer towing, or just plain different conditions of closer traffic) make it matter alot more.
It need be no more of a distraction than the dozen other gauges you see in a sports car, from oil pressure to transmission temp. Having a bright white spot on a false color map can probably be read in your peripheral vision or on a heads up display just fine.