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Old 10-05-2012, 04:13 PM   #44 (permalink)
SentraSE-R
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Join Date: Jun 2009
Location: Bay Area, California
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Mean Green Toaster Machine - '06 Scion xB
Team Toyota
90 day: 48.92 mpg (US)
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Quote:
Originally Posted by ever_green View Post
this should help


seems biggest concentration of optimum efficiency points are at ~1600rpm around 90% load. although not exactly your engine it is very close.
I think the Prius 1.5 engine is an Atkinson-cycle version of the Otto-cycle 1NZ-FE engine in the Scion xA/xB, Toyota Yaris/Echo/Tercel/Paseo, etc. Thanks!

The BFSC map does confirm my 1500-2200 rpm, 83%-90% load acceleration parameters.
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Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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