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Topic Very simple, and very real |
9L/100km on my latest fillup. Petee_C - Saturday, 29 September, 2012, at 9:53:05 pm |
The most efficient speed ..... Pedro (Odessa, FL) - Sunday, 30 September, 2012, at 8:38:50 am |
I actually find it to be below that - abotu 45-50mph. grant - Sunday, 30 September, 2012, at 10:15:24 pm |
My speed vs mileage data Bruce In Philly (2000 S Boxster, now '09 C2S) - Monday, 1 October, 2012, at 9:37:57 am |
What was your methodology? grant - Monday, 1 October, 2012, at 9:49:38 am |
Very simple, and very real Bruce In Philly (2000 S Boxster, now '09 C2S) - Monday, 1 October, 2012, at 10:14:36 am |
But, as i said... grant - Monday, 1 October, 2012, at 10:52:54 am |
Yes, and boy, does getting into 6th make a big difference, too! Laz - Monday, 1 October, 2012, at 11:04:43 am |
Re: But, as i said... Bruce In Philly (2000 S Boxster, now '09 C2S) - Monday, 1 October, 2012, at 12:35:06 pm |
All true. My point is simply - correlate the correct factors grant - Monday, 1 October, 2012, at 3:28:35 pm |
That was/has been my experience too. On my long road trips I track mileage and speed... MarcW - Monday, 1 October, 2012, at 11:22:06 am |
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Bruce In Philly (195K+)
I calculated MPG using the actual miles and gallons used as denoted on the pump when I filled - I did not use the computer's calculation of MPG. For AVG MPH, I used the on-board computer for this. I never fully understood how the on-board computer calculates average MPH, but really it was all I had to use. Now obviously, the higher average MPHs were primarily highway and lower MPHs were city and mix. I do know that the high MPHs were from a drive I took from Philadelphia to Atlanta where the only slow-speed driving I did was on the entrance/exit ramps and pulling into gas stations.
While not a true scientific set of measurements, I do believe the data accurately state that faster is better for mileage. If you can find a flaw with all of this, fire away as you may just be very correct; but my data is what it is.
Only other data point to give you is that my city driving style is quick but not aggressive (whatever that means).
Bruce
The OBC arrives at average speed I believe... MarcW - Monday, 1 October, 2012, at 11:49:06 am |
OBC calculations Guenter in Ontario - Monday, 1 October, 2012, at 11:53:59 am |
Delta in findings Bruce In Philly (2000 S Boxster, now '09 C2S) - Monday, 1 October, 2012, at 12:39:39 pm |
Re: Delta in findings Guenter in Ontario - Monday, 1 October, 2012, at 1:13:11 pm |
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Bruce In Philly (195K+)
If you notice in my data, the biggest variance in computer calculated MPG is at the slowest average speeds (well sort of anyway). I suspect, but am not completely sure, that the computer's algorithm is recency based, in that what you were doing at the end of your trip has a bigger impact than what a true average was. Just a guess.
Bruce
When using the OBC over long, as in very long, distances, be aware of trip od and consumption resets Laz - Monday, 1 October, 2012, at 10:58:47 am |