Go Back   EcoModder Forum > EcoModding > General Efficiency Discussion
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 05-28-2013, 06:36 PM   #91 (permalink)
home of the odd vehicles
 
rmay635703's Avatar
 
Join Date: Jun 2008
Location: Somewhere in WI
Posts: 3,891

Silver - '10 Chevy Cobalt XFE
Thanks: 506
Thanked 867 Times in 654 Posts
Quote:
Originally Posted by sendler View Post
So there is the number I have been wondering about. It seems the 260 mpgUS number that has been promoted is some kind of voodoo number combining unaccounted for wall power like the Chevy volt fans always love to quote. The XL1 will really get only 112 mpgUS on a long trip as the Volt gets 40. A pregen Insight can get 66 with decades old technology and was apparently cheap at less than half the price.
Yes but the XL1 tech will end up in a steelie at some point, when it does expect a moderately high MPG sleeper at a much more human price point.

Also what do you care what it costs, you will never be able to buy one anyway, unless you live in one specific place and have the cash and credentials to get one of the 50 units.

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 05-28-2013, 07:51 PM   #92 (permalink)
NightKnight
 
NachtRitter's Avatar
 
Join Date: Dec 2008
Location: Placerville, CA
Posts: 1,595

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 51.85 mpg (US)

Mathilde - '99 Volkswagen Eurovan Camper
90 day: 16.87 mpg (US)
Thanks: 315
Thanked 314 Times in 187 Posts
Correct, that is already happening with the VW Up!: VW Up hybrid to use XL1 tech | Autocar. Still not something that is available in the US, but the "trickle-down" is happening.

... personally I'm impressed with the XL1 FE of 112mpg ... not too shabby. If a pregen Insight *can* get 66mpg when rated for 60, it'd be interesting to see what an XL1 "can" get.

And while there may be "voodoo" in the 260mpg number, I think the concept of combining plug-in electric-only capability with a high FE ICE engine is brilliant... it's just a matter of having an equivalent method of describing that capability, as they already do for all-electric vehicles.

Last edited by NachtRitter; 05-28-2013 at 07:57 PM..
  Reply With Quote
Old 05-28-2013, 08:43 PM   #93 (permalink)
Master EcoModder
 
sendler's Avatar
 
Join Date: May 2011
Location: Syracuse, NY USA
Posts: 2,935

Honda CBR250R FI Single - '11 Honda CBR250R
90 day: 105.14 mpg (US)

2001 Honda Insight stick - '01 Honda Insight manual
90 day: 60.68 mpg (US)

2009 Honda Fit auto - '09 Honda Fit Auto
90 day: 38.51 mpg (US)

PCX153 - '13 Honda PCX150
90 day: 104.48 mpg (US)

2015 Yamaha R3 - '15 Yamaha R3
90 day: 80.94 mpg (US)

Ninja650 - '19 Kawasaki Ninja 650
90 day: 72.57 mpg (US)
Thanks: 326
Thanked 1,315 Times in 968 Posts
112 mpgUS is great in itself. Why go around saying it is 260 if it is really 112? I have seen articles in the newspaper claiming 350 mpg for the Volt. You drive for "free" untill the battery runs out. When the engine starts you drive another 100 feet and then pull up to the pump. See, I just got 350 mpgUS.
  Reply With Quote
Old 05-28-2013, 09:32 PM   #94 (permalink)
NightKnight
 
NachtRitter's Avatar
 
Join Date: Dec 2008
Location: Placerville, CA
Posts: 1,595

Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 51.85 mpg (US)

Mathilde - '99 Volkswagen Eurovan Camper
90 day: 16.87 mpg (US)
Thanks: 315
Thanked 314 Times in 187 Posts
Sure, individuals can test using whatever method they want to come up with whatever result they want, including driving for "free" on battery only, never running it out, and claiming infinite mpg.

However, it is the manufacturer (VW) that is claiming the 260mpg (or, more accurately, they are claiming 0.9l per 100km) and in order for them to claim that, I suspect (but have not confirmed) that they are basing the number on the current available European standardized FE testing, which would be NEDC. I don't know enough about NEDC to say if it considers the electric consumption of a PHEV, and so I can't comment how "valid" it is. But I do not believe the manufacturer would make the claim unless they could have it verified independently through standardized testing.
  Reply With Quote
Old 05-29-2013, 05:19 AM   #95 (permalink)
Master EcoModder
 
Join Date: Aug 2010
Location: Philippines
Posts: 2,173
Thanks: 1,739
Thanked 589 Times in 401 Posts
NEDC gives you a "get out of jail free" card if you can complete a portion of the cycle on electricity, as far as I can recall. I'm not that familiar with the test, but a lot of PHEVs claim faintly ridiculous numbers on the NEDC city cycle.
  Reply With Quote
Old 05-29-2013, 07:04 PM   #96 (permalink)
Too busy for gas stations
 
Superfuelgero's Avatar
 
Join Date: May 2013
Location: The intersection of TN/MS/AL
Posts: 460

Turtle - '92 Honda Civic Vx
Team Honda
90 day: 67.09 mpg (US)

Rolla - '10 Toyota Corolla Le

Beast - '91 Chevy V2500

Bus - '01 VW Eurovan MV

Speed - '93 Harley bored and storked Harley w/ turbo/ nitrous
90 day: 53.09 mpg (US)

Cal - '68 Ford Mustang GT/CS
Thanks: 87
Thanked 176 Times in 114 Posts
I smell a factory 5 style tdi kit car.

I would love to own one, but it would be anti-climatic since it will kill this high FE hobby we have. What would Basjoos do?

Same problem as the insight, only 2 seats.

Love the detailed pictures. Great for aerodynamic guidance for those of us without million dollar budgets and a wind tunnel. Especially the design of the tire deflectors in contrast to the SLR ones floating around.
__________________
Shooting for 600 miles of range at 65-70 mph out of a vx.

  Reply With Quote
Old 05-31-2013, 01:19 PM   #97 (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 niky View Post
NEDC gives you a "get out of jail free" card if you can complete a portion of the cycle on electricity, as far as I can recall. I'm not that familiar with the test, but a lot of PHEVs claim faintly ridiculous numbers on the NEDC city cycle.
You're right.
They'll never get anywhere near those numbers on longer distances - where regular cars get closer to NEDC

Aerodynamics OTOH have 0 impact on NEDC as the test is run on a dynamometer ...
They're there to get the customers somewhere remotely near NEDC test numbers IRL.
__________________
Strayed to the Dark Diesel Side

  Reply With Quote
Old 06-02-2013, 03:35 PM   #98 (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
Quote:
Originally Posted by euromodder View Post
Aerodynamics OTOH have 0 impact on NEDC as the test is run on a dynamometer ...
They're there to get the customers somewhere remotely near NEDC test numbers IRL.
Of course it has. Every parameter is taken into account including CdA. NEDC would be around 1 l/100 km for a 4 l/100 km car if you cut the aero.
__________________
Citroën AX 1.5 D 430.000 km
Peugeot 307 SW 2.0 HDI 136 195.000 km
  Reply With Quote
Old 06-03-2013, 02:51 PM   #99 (permalink)
Master EcoModder
 
Join Date: Jul 2008
Location: Silly-Con Valley
Posts: 1,479
Thanks: 201
Thanked 262 Times in 199 Posts
I would expect that they would use the CdA to calculate the amount of load (resistance) that is placed on the dyno during the test.

Of course, that would rely on the manufacturer's published Cd and A figures...

-soD
  Reply With Quote
Old 06-05-2013, 12:58 PM   #100 (permalink)
Master EcoModder
 
Join Date: Oct 2011
Location: ellington, ct
Posts: 830
Thanks: 44
Thanked 104 Times in 80 Posts
Car and Driver has an article on the XL1 in this month's issue. I really wish they would do one on the Edison2 VLC as, IMO, it beats the VW in so many different ways.

  Reply With Quote
Reply  Post New Thread






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