10-04-2013, 12:33 PM
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#11 (permalink)
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Master EcoModder
Join Date: May 2011
Location: Indiana
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I definitely notice that longer glides give better FE (but haven't gotten all the data to thouroughly quantify it). Some of that I'm sure comes from the slower vehicle speed, some of it I would imagine also comes from the "lost" momentum energy that happens on every shutdown and the required re-start energy.
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Diesel Dave
My version of energy storage is called "momentum".
My version of regenerative braking is called "bump starting".
1 Year Avg (Every Mile Traveled) = 47.8 mpg
BEST TANK: 2,009.6 mi on 35 gal (57.42 mpg): http://ecomodder.com/forum/showthrea...5-a-26259.html
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10-06-2013, 01:41 PM
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#12 (permalink)
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Cyborg ECU
Join Date: Mar 2011
Location: Coastal Southern California
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Nice. With my old transmission--the stock DX with moderately short gearing--I had a similar discovery using engine-on P&G. But the benefit was only about 14% (engine on). Here is the link: http://ecomodder.com/forum/showthrea...tml#post252933
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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10-07-2013, 10:44 AM
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#13 (permalink)
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Hypermiler
Join Date: Dec 2007
Location: Texas
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I remember that. The extra 6% makes sense to me. The civic is more aerodynamic than the Fit, so it suffers less at highway speeds (so glides better). It's also running 2500 rpm at 60 instead of the Fit's 2900. As mentioned earlier (and as you WELL know), better gearing brings the steady speed closer to p&g.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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10-08-2013, 10:24 AM
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#14 (permalink)
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Master EcoModder
Join Date: Jul 2010
Location: Belgium
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Quote:
Originally Posted by PaleMelanesian
As mentioned earlier (and as you WELL know), better gearing brings the steady speed closer to p&g.
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I'm tempted to go that way, but here it takes something like an act of whatever god you may prefer to be allowed to change the final drive ratio : i.e. VW approval 
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Strayed to the Dark Diesel Side
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10-08-2013, 03:39 PM
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#15 (permalink)
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EcoModding Apprentice
Join Date: Apr 2011
Location: Southern France
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AX - '95 Citröen AX 307 - '04 Peugeot 307 SW
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Because of the warranty you mean ?
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10-08-2013, 10:14 PM
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#16 (permalink)
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EcoModding Apprentice
Join Date: Feb 2013
Location: Saratoga County, NY
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TheEgg - '18 Volkswagen Tiguan SEL Premium 90 day: 29.55 mpg (US)
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Gearing makes a big difference. With the long 6th in the Jetta, I only turn 1600 RPM at 60 mph. P+G is pointless for me at highway speeds (though I use it a lot on back roads).
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10-09-2013, 03:51 PM
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#17 (permalink)
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Master EcoModder
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Quote:
Originally Posted by HypermilerAX
Because of the warranty you mean ?
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Because of our nanny government.
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Strayed to the Dark Diesel Side
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10-09-2013, 05:25 PM
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#18 (permalink)
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Corporate imperialist
Join Date: Jul 2011
Location: NewMexico (USA)
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Quote:
Originally Posted by euromodder
Because of our nanny government.
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Our government is shut down so there's no rules!
Anarchy reigns and blood flows in the streets.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 10-09-2013 at 05:31 PM..
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10-09-2013, 05:30 PM
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#19 (permalink)
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Corporate imperialist
Join Date: Jul 2011
Location: NewMexico (USA)
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oops....
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 10-10-2013 at 03:47 AM..
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10-15-2013, 04:46 PM
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#20 (permalink)
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EcoModding Lurker
Join Date: May 2011
Location: Santa Barbara, CA
Posts: 65
Buddy - '94 Acura Integra GSR 90 day: 27.52 mpg (US)
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Wow, my rpms at 60mph are around 3,000! That means I would benefit more from P&G then correct?
- Aaron
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