Insight mileage graph
I noticed things were a little quiet so I thought I'd share a graph from the recent Insight mileage effort:
http://www.cleanmpg.com/forums/showthread.php?t=2783 http://hiwaay.net/~bzwilson/prius/pr...insight_01.jpg http://hiwaay.net/~bzwilson/prius/pr...insight_01.jpg Short stats: distance: 2254.4 miles Bob WilsonMPG: 164.315 average speed: 18.02 mph driving time: 125.12 hrs average driving session: 2.32 hrs longest session: 8.42 hrs |
Re: Insight mileage graph
What's the point of the chart? It seems to only have speed. You should include mileage as well or some other data.
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Re: Insight mileage graph
Originally Posted by tbaleno
(Post 100308)
What's the point of the chart? It seems to only have speed. You should include mileage as well or some other data.
As for mileage, there was no usable, segment-by-segment mileage data in the log. The Insight mileage indicator was pegged at 150 MPG and it took 125 hours to get this data point. Bob Wilson |
Re: Insight mileage graph
I thought it was understood that the most fuel efficient hybrids available today without the plugin option will get 100-110mpg at a steady speed. At the present time, the only way to exceed it in a stock hybrid is pulse and glide as done at the Prius Marathon and the Insight Marathon. Neither event attempted to represent what was done as a typical commute, but rather very high FE could be done.
A Prius got 110mpg and traveled nearly 1,400 miles in about 48 hours. It pegged over the 99.9mpg display. An Insight got 164mpg and traveled 2254 miles in 125 hours. It pegged over the 150mpg display (although going metric could give higher readings....) To get better fuel economy, it is necessary to go slower. Just in case this might be an exercise to somehow put one car over the other, I'm doubtful these stats can honestly can be used that way, in part because time was not a requirement in either marathon. |
Re: Insight mileage graph
This thread has more details. Yes, it does peg out at 150mpg thats why after the 150mpg they have l/100KM which is properly recorded in an insight http://www.cleanmpg.com/forums/showthread.php?t=2233
There is only one thing you have to know about MPG vs MPH. Once you get in your highest gear, the more MPH the less MPG. Also, try to stay away from steady state cruise. It is best to pulse and glide because the amount of distance you travel in a glide more than makes up for the extra fuel you burn in the pulse. I'm surprised at how many people that think they drive 5mph over the speed limit never actually check their average mph for the trip. Lots of times driving slower and timing lights will give a higher overall average mph for a trip because when you are stopped at a light time doesn't stand still you are essentially going 0mph for the 30-60 seconds you sit there. |
Re: Insight mileage graph
Hi,
Originally Posted by Delta Flyer
(Post 100353)
. . . At the present time, the only way to exceed it in a stock hybrid is pulse and glide as done at the Prius Marathon and the Insight Marathon. . . .
http://priuschat.com/index.php?showt...380&hl=112+mpg
Originally Posted by Ken1784
She wrote it was from July 4th to August 16th for her daily drive. The ICE warming up count was 75, therefore the average drive distance was 31.2 km (19.4 miles). . . .
Originally Posted by Delta Flyer
(Post 100353)
Neither event attempted to represent what was done as a typical commute, but rather very high FE could be done.
A Prius got 110mpg and traveled nearly 1,400 miles in about 48 hours. It pegged over the 99.9mpg display. http://www.post-gazette.com/pg/05220/550484.stm
Originally Posted by article
Dan Kroushl punched the gas pedal in his silver Toyota Prius during the final 30 minutes of the 47-hour, 1,397-mile trip completed on a single tank of gasoline. . . .
Originally Posted by Delta Flyer
(Post 100353)
. . . To get better fuel economy, it is necessary to go slower. . . .
Bob Wilson |
Re: Insight mileage graph
Mostly we agree except for:
Originally Posted by tbaleno
(Post 100354)
. . .
There is only one thing you have to know about MPG vs MPH. Once you get in your highest gear, the more MPH the less MPG. . . . Bob Wilson |
Re: Insight mileage graph
Sorry I failed to mention TeddyGirl's effort.
Both vehicle are impressive with fuel economy - no doubt. |
Re: Insight mileage graph
Originally Posted by bwilson4web
(Post 100369)
Mostly we agree except for:
Actually it is important to know the shape of the MPH vs MPG curve to avoid being on the wrong side of an inflection point. Bob Wilson |
Re: Insight mileage graph
Hi Tom,
Originally Posted by tbaleno
(Post 100399)
Not really[rjw]. It is nice to have fancy charts and tables, but it all boils down to MPG drops as speed increases after you have reached your highest gear.
Bob Wilson |
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