Fuelly Forums - Is 50mpg asking too much???

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- - Is 50mpg asking too much??? (https://www.fuelly.com/forums/f8/is-50mpg-asking-too-much-2676.html)

Compaq888

08-13-2006 07:13 PM

I hauled *** this tank and still pulled a 38.5mpg tank. I'm sure if I'm easy on the gas I can make a 40mpg+ tank.

Ted Hart

09-01-2006 01:41 PM

Quote:

Originally Posted by lindermant

Can 50MPG be achieved? Depending on your commute I don't see why not...

By comparison my Civic is ~200# heavier than yours, is sporting 4.07 final drive automatic transmission, and I clicked off my first 50.X MPG at this morning's fillup. No ICE off tactics - engine spinning the entire time I'm driving.

I'll argue that you need to get instrumented to really push yourself (my scangauge has been the difference), but I take it from past threads that that's not what you want to hear...

I'll wager my "butt dyno" will beat your scanguage, and I'll tell you why: anticipation! I can plan ahead for situations the scanguage only "sees" when it's too late...it's into them. -Ted Hart

diamondlarry

09-01-2006 02:07 PM

Quote:

Originally Posted by Ted Hart

I'll wager my "butt dyno" will beat your scanguage, and I'll tell you why: anticipation! I can plan ahead for situations the scanguage only "sees" when it's too late...it's into them. -Ted Hart

That may be more difficult than you might think. There have been times when I thought I was pressing as light as possible on the pedal but, by watching the SG, I found I could let up even more and still maintain my speed. Also, there have been times when I swore that it felt like I was letting up and found that I wasn't. There are a few people who can do well without a SG or equivalent but the larger majority of the people aren't as practiced and need the extra help.

MetroMPG

09-01-2006 02:20 PM

I suspect you're referring to 2 different driving circumstances, and each of you is right for the one you're talking about.

Instrumentation can't teach proper anticipation of significant changes needed to preserve FE (ie anticipating traffic flow/lights).

Neither is the butt dyno sensitive enough to deliver feedback needed to feather the throttle to a very high degree when cruising, DWL, or bleeding speed imperceptibly.

SVOboy

09-01-2006 02:23 PM

However, you can't tell if you're reacting properly to certain things without some sort of instantaneous/trip feedback!

diamondlarry

09-01-2006 02:31 PM

Quote:

Neither is the butt dyno sensitive enough to deliver feedback needed to feather the throttle to a very high degree when cruising, DWL, or bleeding speed imperceptibly.

Someone I know of actually takes off their shoe and sock when getting real serious in driving for FE. They said it gives better control of the pedal and they were able to verify it with the SG. And yes, anticipation is important but, as SVOboy points out, the SG will will tell you how well you are reacting to that anticipation.
Edit: And no, the person mentioned isn't me; yet. :p

SVOboy

09-01-2006 02:40 PM

I wear mostly worn through canvas shoes for driving, best thing I've ever used, including barefoot (yes I tested all my shoes).

JanGeo

09-01-2006 03:55 PM

I was really amazed recently that I was correcting for inclines so perfectally that my speed would not vary more than 0.5mph - I kept looking at the MPG on the SGII and wondering why my foot moved - butt accelerometer works really well. But you're right about bleeding off speed - with the SG you can back off to 60-80mpg and slowly watch your speed decrease.

JanGeo

09-02-2006 02:12 AM

A quick calculation of gas use shows a little less than Half a cent per minute at idle is being burned in my xB if at 0.1gph = 2.133oz/minute. At $3.00 per gallon it would be $0.005 per minute.

krousdb

09-02-2006 03:12 AM

Quote:

Originally Posted by Ted Hart

I'll wager my "butt dyno" will beat your scanguage, and I'll tell you why: anticipation! I can plan ahead for situations the scanguage only "sees" when it's too late...it's into them. -Ted Hart

The scangauge isn't driving the car, you are. On one hand you have your "butt dyno" and anticipation. On the other hand you have your "butt dyno", anticipation AND a scangauge. I wouldn't hesitate to be on the other side of your wager as long as your "butt dyno" isn't better than my "butt dyno".:p

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