Go Back   EcoModder Forum > EcoModding > Success Stories
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 10-04-2013, 11:33 AM   #11 (permalink)
Master EcoModder
 
Diesel_Dave's Avatar
 
Join Date: May 2011
Location: Indiana
Posts: 1,194

White Whale - '07 Dodge Ram 2500 ST Quad Cab 2wd, short bed
Team Cummins
90 day: 37.68 mpg (US)
Thanks: 112
Thanked 511 Times in 213 Posts
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.

__________________
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


  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 10-06-2013, 12:41 PM   #12 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 6,299

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 66.42 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 2,373
Thanked 2,171 Times in 1,468 Posts
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
__________________
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.



  Reply With Quote
Old 10-07-2013, 09:44 AM   #13 (permalink)
Hypermiler
 
PaleMelanesian's Avatar
 
Join Date: Dec 2007
Location: Texas
Posts: 2,321

PaleCivic (retired) - '96 Honda Civic DX Sedan
90 day: 69.2 mpg (US)

PaleFit - '09 Honda Fit Sport
Team Honda
Wagons
90 day: 44.06 mpg (US)
Thanks: 611
Thanked 433 Times in 283 Posts
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.
__________________



11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
  Reply With Quote
Old 10-08-2013, 09:24 AM   #14 (permalink)
Master EcoModder
 
euromodder's Avatar
 
Join Date: Jul 2010
Location: Belgium
Posts: 4,683

The SCUD - '15 Fiat Scudo L2
Thanks: 178
Thanked 652 Times in 516 Posts
Quote:
Originally Posted by PaleMelanesian View Post
As mentioned earlier (and as you WELL know), better gearing brings the steady speed closer to p&g.
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
__________________
Strayed to the Dark Diesel Side

  Reply With Quote
Old 10-08-2013, 02:39 PM   #15 (permalink)
EcoModding Apprentice
 
HypermilerAX's Avatar
 
Join Date: Apr 2011
Location: Southern France
Posts: 159

AX - '95 Citröen AX

307 - '04 Peugeot 307 SW
Thanks: 12
Thanked 67 Times in 37 Posts
Because of the warranty you mean ?
__________________
Citroën AX 1.5 D 430.000 km
Peugeot 307 SW 2.0 HDI 136 195.000 km
  Reply With Quote
Old 10-08-2013, 09:14 PM   #16 (permalink)
EcoModding Apprentice
 
PressEnter[]'s Avatar
 
Join Date: Feb 2013
Location: Saratoga County, NY
Posts: 170

TheEgg - '18 Volkswagen Tiguan SEL Premium
90 day: 29.55 mpg (US)
Thanks: 12
Thanked 17 Times in 17 Posts
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).
__________________

  Reply With Quote
Old 10-09-2013, 02:51 PM   #17 (permalink)
Master EcoModder
 
euromodder's Avatar
 
Join Date: Jul 2010
Location: Belgium
Posts: 4,683

The SCUD - '15 Fiat Scudo L2
Thanks: 178
Thanked 652 Times in 516 Posts
Quote:
Originally Posted by HypermilerAX View Post
Because of the warranty you mean ?
Because of our nanny government.
__________________
Strayed to the Dark Diesel Side

  Reply With Quote
Old 10-09-2013, 04:25 PM   #18 (permalink)
Corporate imperialist
 
oil pan 4's Avatar
 
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,175

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
Thanks: 269
Thanked 3,520 Times in 2,794 Posts
Quote:
Originally Posted by euromodder View Post
Because of our nanny government.
Our government is shut down so there's no rules!
Anarchy reigns and blood flows in the streets.
__________________
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 04:31 PM..
  Reply With Quote
Old 10-09-2013, 04:30 PM   #19 (permalink)
Corporate imperialist
 
oil pan 4's Avatar
 
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,175

Sub - '84 Chevy Diesel Suburban C10
SUV
90 day: 19.5 mpg (US)

camaro - '85 Chevy Camaro Z28

Riot - '03 Kia Rio POS
Team Hyundai
90 day: 30.21 mpg (US)

Bug - '01 VW Beetle GLSturbo
90 day: 26.43 mpg (US)

Sub2500 - '86 GMC Suburban C2500
90 day: 11.95 mpg (US)

Snow flake - '11 Nissan Leaf SL
SUV
90 day: 141.63 mpg (US)
Thanks: 269
Thanked 3,520 Times in 2,794 Posts
oops....
__________________
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 02:47 AM..
  Reply With Quote
Old 10-15-2013, 03:46 PM   #20 (permalink)
EcoModding Lurker
 
Join Date: May 2011
Location: Santa Barbara, CA
Posts: 65

Buddy - '94 Acura Integra GSR
90 day: 29.89 mpg (US)
Thanks: 0
Thanked 1 Time in 1 Post
Wow, my rpms at 60mph are around 3,000! That means I would benefit more from P&G then correct?
- Aaron

  Reply With Quote
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com