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Forum: Aerodynamics 04-19-2011, 06:07 PM
Replies: 100
Views: 13,212
Posted By bschloop
in that pic I would be the guy standing on the...

in that pic I would be the guy standing on the left. I am a firefighter, and in my experience accidents are more a matter of psychology. The guy driving the hummer thinks that he's safe because of...
Forum: Aerodynamics 02-24-2011, 09:58 AM
Replies: 16
Views: 13,298
Posted By Piwoslaw
Effects of Vehicle Shape on Aerodynamic Characteristics

As we all know, improving the airflow over one part of a vehicle often effects how air flows over other parts. For example, the hood and windshield angles determine how the air flows over the roof...
Forum: EcoModding Central 11-22-2010, 04:13 PM
Replies: 29
Views: 70,618
Posted By MetroMPG
So you want to talk up your new fuel-saving product on EcoModder...

http://ecomodder.com/forum/attachment.php?attachmentid=7411&stc=1&d=1290460643[/img-r]More than a couple of times now, someone has signed up to use the forum to promote their latest gizmo that...
Forum: EcoModding Central 11-04-2010, 08:53 PM
Replies: 21
Views: 12,417
Posted By RobertSmalls
How to use the road load equation [wiki talk page]

[This is a proposed Wiki article providing an introduction to how to calculate road load. By understanding road load, you can better understand the physical phenomena governing this aspect of fuel...
Forum: Forum News & Feedback 09-23-2010, 08:29 PM
Replies: 13
Views: 2,768
Posted By ShadeTreeMech
Thank you darin!

Darin Cosgrove founded this magnificent site, and I thought those in the know (RH77, bennelson, etc.) would be gracious enough to help us know the story of the beginning of this VERY helpful site,...
Forum: General Efficiency Discussion 08-25-2010, 11:05 AM
Replies: 10
Views: 3,983
Posted By MetroMPG
Congrats cons! Article about aeromodding his 40+ MPG Ford Ranger pickup

This popped up in my Google Alerts last night - a fairly thorough article in the JH Weekly ("Jackson Hole's free independent newspaper") about ecomodding, starring cons' 2004 Ford Ranger...
Forum: Aerodynamics 05-18-2010, 09:57 PM
Replies: 17
Views: 13,724
Posted By JackMcCornack
Plus so they could claim the lowest Cd of any...

Plus so they could claim the lowest Cd of any passenger car of the era. Let us not forget, the easiest way to improve a vehicle's Cd is to make it bigger. "the .186 figure" for a 6'11" wide car would...
Forum: Aerodynamics 05-10-2010, 07:34 PM
Replies: 17
Views: 13,724
Posted By NeilBlanchard
Yes, the 0.13 number was a model or mock up...

Yes, the 0.13 number was a model or mock up earlier in testing. They also adjusted the ride height to get the optimum drag: too low increased it (due to increased pressure underneath?) and too tall...
Forum: Aerodynamics 05-04-2010, 02:48 PM
Replies: 232
Views: 105,573
Posted By NeilBlanchard
The *Ultimate* Aerodynamic Car? Dave Cloud's "Dolphin"

I just about swooned when I saw this car! Someone on the EV Discussion List mentioned it, and posted a link to these pictures:

Picasa Web Albums - lektwik - Dave's Stream......
Forum: Fossil Fuel Free 04-18-2010, 03:08 AM
Replies: 0
Views: 3,050
Posted By cfg83
GM Heritage Center EV Collection

Hello -

I stumbled onto this article :

General Motors Heritage Collection: An amazing collection few will ever see! — Autoblog...
Forum: EcoModding Central 03-11-2010, 08:21 PM
Replies: 27
Views: 6,003
Posted By tangomar
New study shows 0 impact of a clogged air filter on fuel injected cars

From EPA site:

http://www.fueleconomy.gov/feg/pdfs/Air_Filter_Effects_02_26_2009.pdf

It was instead (obviously) on carburetor cars.
Forum: Hybrids 03-09-2010, 07:33 PM
Replies: 13
Views: 3,673
Posted By MetroMPG
Spoofing a Prius (1st gen) brake pressure sensor for stronger regen: AutoSpeed

Julian has posted another quality article at AutoSpeed just now:

A World First: Modifying Regen Braking (http://autospeed.com/cms/A_111496/article.html)




(I'm not sure it's a world first -...
Forum: Fossil Fuel Free 03-04-2010, 07:06 PM
Replies: 11
Views: 3,313
Posted By Russ
Popular Science Archive free online - very cool

Popular Science has made their entire archive available online and searchable.
I've already read a few articles about electric cars from 1940.

Popular Science Puts Entire Scanned Archive Online,...
Forum: General Efficiency Discussion 01-16-2010, 11:06 PM
Replies: 75
Views: 9,227
Posted By jamesqf
Yes, racing from red to red fits that definition...

Yes, racing from red to red fits that definition perfectly well, since by doing that - and in particular cutting in front of me and jamming on the brakes, thus preventing both of us from moving...
Forum: General Efficiency Discussion 01-16-2010, 09:28 PM
Replies: 75
Views: 9,227
Posted By Frank Lee
If flagrant wastage of a finite resource is...

If flagrant wastage of a finite resource is against society's best interests, I'd call that anti-social. Doesn't matter which side the "majority" falls on.
Forum: General Efficiency Discussion 01-16-2010, 01:36 AM
Replies: 75
Views: 9,227
Posted By Frank Lee
I think the ones that usually bleat about how...

I think the ones that usually bleat about how important that extra minute with family is, are the same ones that opted to have 100 miles commutes :rolleyes:
Forum: EcoModding Central 12-14-2009, 01:21 PM
Replies: 120
Views: 179,911
Posted By MetroMPG
Arrow How to properly test modifications (AKA: don't believe every MPG claim you read)

Here on EcoModder we see a lot of claims made about the effectiveness (or lack of effectiveness) of specific modifications. It's an understatement to say not all claims are made equal.

Just...
Forum: General Efficiency Discussion 12-14-2009, 12:41 PM
Replies: 42
Views: 7,177
Posted By Doofus McFancypants
Our family made our own choice to have only 2...

Our family made our own choice to have only 2 children.
For our own reasons, beliefs, goals, risk/reward, and other reasons.

I honestly think that if people STOP AND THINK.- the world will be a...
Forum: EcoModding Central 12-13-2009, 08:08 PM
Replies: 158
Views: 33,721
Posted By orange4boy
"Inflation pressure does not affect grip": Autospeed article.

Except in aquaplaning where higher inflation reduces it.

Something I suspected but didn't have the info to back it up.

AutoSpeed - Tyres, Grip and All That....
Forum: Aerodynamics 12-11-2009, 05:48 PM
Replies: 17
Views: 6,811
Posted By aerohead
TEMP vs DRAG Estimator (winter / summer)

Hello all.
zjrog was lamenting mpg loss at another forum.At minus 19-degrees his Jeep is getting slammed at the pump.
I put this chart together as a quick reference guide to allow anyone to...
Forum: Forum News & Feedback 12-03-2009, 12:25 AM
Replies: 145
Views: 35,356
Posted By theycallmeebryan
You know your an ecomodder when..... You'd...

You know your an ecomodder when.....

You'd much rather MetroMPG build his boat tail instead of a cake. :D
Forum: EcoModding Central 11-04-2009, 08:24 AM
Replies: 38
Views: 17,595
Posted By Doofus McFancypants
we are blind - so we need brighter lights we...

we are blind - so we need brighter lights
we are deaf - so we cannot have silent EV's
we are frail - so we need 1000 lbs of extra safety gear ( some of this is good - just overkill)
we are dumb -...
Forum: EcoModding Central 11-03-2009, 08:57 PM
Replies: 38
Views: 17,595
Posted By Frank Lee
OK bottom line: is the nation collectively going...

OK bottom line: is the nation collectively going blind or what?

Been driving with standard OEM lighting forever. I turn it on and voila! darkness goes away.

Biggest problem now is all the eh...
Forum: Aerodynamics 10-23-2009, 05:02 AM
Replies: 42
Views: 15,529
Posted By Piwoslaw
Oh, my! The banana car :)

Oh, my! The banana car :)
Forum: EcoModding Central 10-10-2009, 01:56 AM
Replies: 102
Views: 19,747
Posted By Frank Lee
Exclamation It gets curiouser and curiouser...

http://i146.photobucket.com/albums/r262/theclencher/alice.jpg

So I'm still sniffing around this thing...

It makes no sense at all to make dyno runs without all the inputs i.e. fuel, air, etc....
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