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Forum: The Unicorn Corral 01-29-2023, 09:25 PM
Replies: 41
Views: 12,593
Posted By Isaac Zachary
You forgot blood type. Very important.

You forgot blood type. Very important.
Forum: The Unicorn Corral 01-29-2023, 03:47 PM
Replies: 41
Views: 12,593
Posted By Piwoslaw
https://a1cf74336522e87f135f-2f21ace9a6cf005245664...

https://a1cf74336522e87f135f-2f21ace9a6cf0052456644b80fa06d4f.ssl.cf2.rackcdn.com/images/characters/large/800/Magneto.X-Men-Series.webp
Forum: Aerodynamics 10-21-2022, 04:33 PM
Replies: 47
Views: 4,290
Posted By aerohead
air curtains

I'm probably not the one to talk to about air curtains.
I'm still advocating for skirts at all wheels, since the automakers still say they're the best solution, drag-wise.
And the $4,000 / hour to...
Forum: Aerodynamics 10-12-2022, 03:31 PM
Replies: 47
Views: 4,290
Posted By freebeard
My preference is shifting from air dam to...

My preference is shifting from air dam to splitter. An example from Singer:
...
Forum: Aerodynamics 10-12-2022, 03:20 PM
Replies: 47
Views: 4,290
Posted By Piotrsko
Whole lot of stuff hanging on full size vans...

Whole lot of stuff hanging on full size vans frame rails causing bunches of drag, axles and their suspension being worst offenders. If you stop it from going under there and creating eddies,...
Forum: Aerodynamics 09-11-2022, 01:51 PM
Replies: 4,211
Views: 1,321,784
Posted By kach22i
Looks aerodynamic to me. Sep 7, 2022 ...

Looks aerodynamic to me.

Sep 7, 2022
Lightyear 0 Nears Production, but Who Is It For?
http://forums.pelicanparts.com/uploads26/lightyear_16625565531662918584.jpg
Forum: Aerodynamics 07-03-2022, 05:26 PM
Replies: 47
Views: 4,290
Posted By EcoVan
Did some testing last night....

was heavy traffic, which seems to help MPG on the van. I needed to get the alignment corrected and that was taken care of. AT 62 MPH in 7th gear ( of 8) was getting about 33 to 34. At 55MPH was...
Forum: Aerodynamics 06-09-2022, 02:35 PM
Replies: 47
Views: 4,290
Posted By EcoVan
Rule of thumbs...

Yes, rule of thumbs are usually bad for scientific advancement. However, as you said, when you get to know your field intimately, patterns emerge and recognizing those patterns often leads to...
Forum: Aerodynamics 06-03-2022, 09:41 AM
Replies: 47
Views: 4,290
Posted By Vman455
Yes, this is correct--but you are missing my...

Yes, this is correct--but you are missing my point, which is that this "sweet spot" does not necessarily correlate with the height of underbody components, and thus that height should not be used as...
Forum: Aerodynamics 06-02-2022, 01:56 PM
Replies: 47
Views: 4,290
Posted By freebeard
Re: #19 -- I tend to believe this graphic. ...

Re: #19 -- I tend to believe this graphic.

https://ecomodder.com/forum/member-freebeard-albums-aero+technical-picture5850-aerodynamics-c.jpg

25% front-- 20+30% middle -- 25% rear.
Forum: Aerodynamics 06-01-2022, 08:43 PM
Replies: 47
Views: 4,290
Posted By EcoVan
Here's a side shot of the air dam/valance so you...

Here's a side shot of the air dam/valance so you can see its shape. The upper portion mostly follows the curve of the bumper and the dam is actually the lower portion.

And yes, I know that...
Forum: Aerodynamics 05-31-2022, 12:00 AM
Replies: 47
Views: 4,290
Posted By EcoVan
New lower air dam for 2017 Chevy Full size van

Been looking for an air dam that would work for the van since we bought it. Finally noticed the air dam on the 2015- 2019 Suburban. Picked one up and just installed it. Turned out pretty nice. Its...
Forum: Aerodynamics 04-26-2022, 05:44 PM
Replies: 64
Views: 9,910
Posted By JSH
An update and some preliminary MPG data. In a...

An update and some preliminary MPG data. In a month I got no interest in shipping the ambulance from NC to OR until the day before I was going to pick it up and start driving back. At that point...
Forum: Aerodynamics 07-23-2021, 07:58 PM
Replies: 64
Views: 9,910
Posted By JSH
A Freightliner FLD - that is step back in time! ...

A Freightliner FLD - that is step back in time! (Produced from 1987 - 2010) Freightliner's first "aerodynamic" truck build before Freightliner had their own wind tunnel.

Which is part of the...
Forum: EcoModding Central 05-12-2021, 10:07 PM
Replies: 168
Views: 28,164
Posted By Ecky
New tires mounted on some serviceable Civic HX...

New tires mounted on some serviceable Civic HX wheels I had in my basement were good for 2.3lbs on each corner. Not as much as I was expecting! Also not the prettiest, but I don't suppose they'll be...
Forum: Aerodynamics 04-27-2017, 06:06 PM
Replies: 44
Views: 15,174
Posted By Isoldmysaturn:(
belly pan for sure. I would consider a partial...

belly pan for sure. I would consider a partial grill block with some ducting the remaining air directly to the radiator, I agree with kach22i, you don't want to put yourself in danger of ruining...
Forum: Aerodynamics 04-27-2017, 09:59 AM
Replies: 44
Views: 15,174
Posted By Merlyn2220
So one of the first mods I did was removing the...

So one of the first mods I did was removing the monstrous 3-point towing mirrors. It was unbelievably loud when I first started driving it on the highway, and I could barely go 70mph, while drafting,...
Forum: Aerodynamics 09-24-2015, 08:35 AM
Replies: 916
Views: 177,041
Posted By kach22i
I tried looking that up yesterday because the...

I tried looking that up yesterday because the same question popped into my head. I didn't come up with much, but this morning I looked at this page.

https://en.wikipedia.org/wiki/Drag_coefficient...
Forum: Aerodynamics 02-20-2015, 02:49 PM
Replies: 33
Views: 48,744
Posted By euromodder
He's not even coasting ... This is the...

He's not even coasting ...

This is the ultimate ecomodder's Golf: the most efficient 1.9 TDi in a light body that's been further lightened by turning it into a 2 seater ...

Pics :...
Forum: EcoModding Central 09-18-2014, 09:30 AM
Replies: 4
Views: 1,635
Posted By Carbon
No... they are the weight of the car + maximum...

No... they are the weight of the car + maximum cargo weight. Basically as heavy as it can be and have what the factory believes is a properly operating suspension. :thumbup:

Edit: ... and it says...
Forum: Aerodynamics 09-09-2014, 08:42 PM
Replies: 4,211
Views: 1,321,784
Posted By NeilBlanchard
1939 Fageol Supersonic: ...

1939 Fageol Supersonic:

http://media-cache-ak0.pinimg.com/736x/19/2d/ca/192dcafe648a9b90e2aae883e0038bb9.jpg

One of Kamm's cars?
...
Forum: EcoModding Central 09-09-2014, 05:25 PM
Replies: 357
Views: 141,627
Posted By The donkey CRX
The answer is yes to what you said above. It is...

The answer is yes to what you said above. It is much easier to match up the holes in the skirt to the 6-32 "studs" on the aluminum angles than trying to find threads in the angle with a bolt on the...
Forum: Aerodynamics 09-05-2014, 09:38 PM
Replies: 51
Views: 11,096
Posted By Vman455
But compared to mainstream sports cars, let alone...

But compared to mainstream sports cars, let alone family cars, they do make a lot of downforce. A 2008-2010 Gen 4 Viper, for example, made a claimed 100 lbs downforce at 150mph, while the same car...
Forum: Aerodynamics 09-04-2014, 11:58 PM
Replies: 229
Views: 45,773
Posted By aerohead
The Darko Report

Wow! what a day!
With some wood and a tire hammer we were able to restore the skirt enough to run.
Doug was out of town and Tyler did the tunnel duty for us.(a really great guy!)
We started the...
Forum: Aerodynamics 08-29-2014, 03:24 AM
Replies: 51
Views: 11,096
Posted By serialk11r
I don't think it's downforce in all cases, the...

I don't think it's downforce in all cases, the Koenigsegg CCX doesn't have much downforce, and neither does the McLaren F1 I think, though they don't hit 250mph.

The particular cars you listed...
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