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Forum: Aerodynamics 06-29-2014, 06:01 AM
Replies: 60
Views: 37,163
Posted By ausias
This link is working: Information: How To...

This link is working:
Information: How To Reduce Drag From 0.28 to 0.20 (Scholastic more than anything)...
Forum: Aerodynamics 06-28-2014, 06:53 AM
Replies: 60
Views: 37,163
Posted By ausias
Being quoted by the Finnish Master of the...

Being quoted by the Finnish Master of the Universe Ecomodder.
:D

It is amazing the power of the duct tape.
Forum: Aerodynamics 11-23-2013, 03:22 AM
Replies: 70
Views: 23,367
Posted By ausias
I remember reading an investigation of how to...

I remember reading an investigation of how to improve aerodynamics in short cars. And the exemple was a Smart, but I did not find the report now. They assessed that covereing the rear wheels was...
Forum: EcoModding Central 08-03-2013, 10:24 AM
Replies: 331
Views: 255,530
Posted By ausias
:p There are a lot of people with DIY cargo...

:p

There are a lot of people with DIY cargo bikes in my city like this:
http://ep01.epimg.net/ccaa/imagenes/2012/04/16/valencia/1334606648_140495_1334606779_noticia_normal.jpg

and there aree...
Forum: Success Stories 08-01-2013, 12:39 PM
Replies: 9
Views: 23,818
Posted By ausias
the torsion value must be somewhere between 0.0...

the torsion value must be somewhere between 0.0 and 1.0 advanced (according to VAG engine manual between -3 to 3).
But if you want your engine being in the design point you want 0.0.
But, when you...
Forum: EcoModding Central 07-09-2013, 01:36 PM
Replies: 389
Views: 224,858
Posted By ausias
using a bsfc semiempirical mathematical model...

using a bsfc semiempirical mathematical model with 20 parameters and variables.
and the fuel consumption has the main variables and parameters in use in a code of some hundreds lines, i have not...
Forum: EcoModding Central 07-08-2013, 10:52 AM
Replies: 4
Views: 1,816
Posted By ausias
The unknown Mosler Automotive cars, fast and good fuel economy. (VIDEO)

http://www.youtube.com/watch?v=_y45i0Yi8oo

I found interesting the founder talking about low consumption and very good performance figures.
Does any one have information on the fiberglas and foam...
Forum: EcoModding Central 07-26-2012, 11:14 AM
Replies: 48
Views: 21,684
Posted By ausias
I think that fooling with cheaps resistors...

I think that fooling with cheaps resistors complex control systems will only improve the budget of the seller.

I think that ECU eco tuning it's Greenwashing Greenwashing - Wikipedia, the free...
Forum: Hypermiling / EcoDriver's Ed 07-17-2012, 12:55 PM
Replies: 0
Views: 2,107
Posted By ausias
Porsche Automatic coasting

http://www.youtube.com/watch?v=juDfN1pA1ZY

New ZF 7-speed manual

Gear shifting is also part of the new 911's "emotion" equation. Upshifts of the twin-clutch (Doppelkupplungsgetriebe or PDK)...
Forum: Aerodynamics 04-30-2012, 06:18 PM
Replies: 4
Views: 3,730
Posted By ausias
The surprise is the short version of the trailer...

The surprise is the short version of the trailer wich yesterday achieved cd=0.201, if i could build a trailer extension of my "future" van with that shape I could do the same work but above de 42 mpg...
Forum: Aerodynamics 04-28-2012, 08:23 PM
Replies: 358
Views: 141,997
Posted By ausias
I'm very interested in the gap filling mecanism...

I'm very interested in the gap filling mecanism and i think a new thread on it is needed. I did recently some CFD test with Solidworks and -15% cd reduction when a large gap between trailer and van...
Forum: Aerodynamics 04-28-2012, 08:07 PM
Replies: 4
Views: 3,730
Posted By ausias
Project: Van+Large Trailer cd 0.36 to 0.23, CFD test

WE are trying to substitute large 7 meter van (with 15.6 m3 volume capacity, 6 europallet or 4 isopallet, 1200 kg payload) by a medium van + trailer (we are assessing the combination between 4...
Forum: Aerodynamics 04-28-2012, 07:19 PM
Replies: 154
Views: 72,228
Posted By ausias
Best shape is what become a extension of your...

Best shape is what become a extension of your front car. Add a Spoiler to the roof (maybe 30 cm could be enough and begin the streamlined shape above drivers door. But if you could fill the gap...
Forum: General Efficiency Discussion 03-01-2012, 01:58 PM
Replies: 10
Views: 19,410
Posted By ausias
REmember this post: ...

REmember this post:
http://ecomodder.com/forum/showthread.php/lots-tyre-data-coefficient-rolling-resistance-noise-db-18989.html

It also contains data from tires from "official" tests.

I would...
Forum: Aerodynamics 01-14-2012, 02:55 PM
Replies: 10
Views: 3,593
Posted By ausias
my Seat León (based in the same VAG platform than...

my Seat León (based in the same VAG platform than Jetta, Golf, New Beetle 2012, etc.) has 3 air dam - spoilers also.
Wheel air dam spoilers help cold air flow going to cool front brakes. The shape...
Forum: Aerodynamics 11-07-2011, 06:17 AM
Replies: 0
Views: 1,209
Posted By ausias
Truck Boat Tail developed by Platform for Aerodynamic Road Transport

Engeenering news in spanish:
Un dispositivo aerodinámico ahorra un 15% de combustible a los tráilers...
Forum: Success Stories 11-04-2011, 06:52 PM
Replies: 9
Views: 23,818
Posted By ausias
The torsion value is less than -3, values out of...

The torsion value is less than -3, values out of the range (-3,3) are shown as 0.0 (some autodiagnostig tools show -6 to 6).
But I did a full tank fuel filling and I'm very surprised of 6.6 L/100km...
Forum: Success Stories 10-25-2011, 05:39 AM
Replies: 19
Views: 7,259
Posted By ausias
In Spain there are some importers that buy cars...

In Spain there are some importers that buy cars in USA some are versions of the same cars and others are not selling in Europe. Only you have to do is an homologation on vehicle inspection service...
Forum: Success Stories 10-24-2011, 02:53 PM
Replies: 19
Views: 7,259
Posted By ausias
I understood much better what you said (I must...

I understood much better what you said (I must change my mental catalan-english english-catalan translator brain embedded, xD )

A full technical comparison between 1.4 TSI 90kW and 1.6 85kW (with...
Forum: Success Stories 10-17-2011, 03:09 PM
Replies: 20
Views: 8,370
Posted By ausias
maybe you can do more exact EPA rating...

maybe you can do more exact EPA rating calculations using my formulae (useful when you could not get from Fuel Economy (http://www.fueleconomy.gov/) )
I think you did 8.7 conversion to 27 mpg, but...
Forum: Hybrids 10-14-2011, 09:43 AM
Replies: 5
Views: 2,579
Posted By ausias
Toyota Prius from 6.7 mi/$ to 26.1 mi/$, spanish ecotunners results

There are many ecomods available in spain. Plug-in and LifePO4 conversion, LPG fuel and termodynamics engine improvements. 3.1 €/100 km running cost are possible with 6500 € modification (6.84...
Forum: EcoModding Central 09-29-2011, 09:08 PM
Replies: 3
Views: 5,212
Posted By ausias
Lots of Tyre data Coefficient of rolling resistance, noise dB, wet grip ...

Buying Better Tyres - Campaign for Better Tyres Blog (http://blog.bettertyres.org.uk/buying-better-tyres)
Lots of Tyre data Coefficient of rolling resistance, noise dB, wet grip van summer and...
Forum: Aerodynamics 09-17-2011, 05:03 PM
Replies: 160
Views: 47,238
Posted By ausias
The Volkswagen Audi Group (VAG) mounts a golf...

The Volkswagen Audi Group (VAG) mounts a golf ball like belly pans like LONG FIBRE PP COMPOUNDS DRIVE AUTOMOTIVE INNOVATION (http://www2.amiplastics.com/PressReleases/newsitem.aspx?item=1000154) or...
Forum: Aerodynamics 09-14-2011, 03:41 PM
Replies: 160
Views: 47,238
Posted By ausias
The IVeco Daily with full Load consumption at...

The IVeco Daily with full Load consumption at cruise speed of 107 kph (66.5 mph) is 10.5 L/100 km or 22.4 us mpg.
In same condition Volkswagen LT 35 2.8 TDI 158 cv, 23.5 mpg@66.5 mph, 230.000...
Forum: Aerodynamics 09-14-2011, 05:03 AM
Replies: 160
Views: 47,238
Posted By ausias
Here in Europe a bigger van than Ford E-150 like...

Here in Europe a bigger van than Ford E-150 like Ford Transit Jumbo, Iveco daily H2 3950, MB Sprinter, Renault Traffic, Fiat Ducato ... are getting 27-21 mpg on diesel. And I'm trying to reduce aero...
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