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Search took 0.02 seconds. Search: Posts Made By: ennored
Forum: Aerodynamics 03-15-2024, 10:05 AM
Replies: 102
Views: 7,372
Posted By ennored
Another video. Cybertruck at A2 Wind Tunnel...

Another video.

Cybertruck at A2 Wind Tunnel (https://www.youtube.com/watch?v=B43-G5-jwok)
Forum: EcoModding Central 02-23-2023, 12:47 PM
Replies: 9
Views: 694
Posted By ennored
This. Lots of them.

This. Lots of them.
Forum: Aerodynamics 02-08-2023, 08:03 PM
Replies: 7
Views: 803
Posted By ennored
CG in bikes isn't what it is in cars.... ...

CG in bikes isn't what it is in cars....

Motorcycle Center of Gravity Motorhead Myths (https://www.cycleworld.com/story/bikes/motorcycle-center-of-gravity-motorhead-myths/)
Forum: Aerodynamics 01-17-2023, 11:33 AM
Replies: 59
Views: 4,059
Posted By ennored
Boat tail - Redneck style......

Boat tail - Redneck style... (https://ecomodder.com/forum/showthread.php/boat-tail-redneck-style-26022.html)
Forum: Aerodynamics 08-25-2022, 12:32 PM
Replies: 14
Views: 992
Posted By ennored
The set with 5 ratios listed. The 4 speed...

The set with 5 ratios listed. The 4 speed obviously only has four (shows .71 twice, clearly it doesn't have two gears with identical ratios).
Forum: Aerodynamics 08-24-2022, 11:17 AM
Replies: 14
Views: 992
Posted By ennored
Other ratios listed are for the 4 speed. That's...

Other ratios listed are for the 4 speed. That's what E450s got in 2004 when they had a gas engine.
Forum: Aerodynamics 05-26-2022, 03:19 PM
Replies: 218
Views: 24,174
Posted By ennored
Aero RV

If it's been mentioned in this thread, I missed it.

A good example of a boat tail on a motorhome was done by user Orbywan a few years back. Did you review his build and results?
...
Forum: Aerodynamics 11-29-2021, 01:41 PM
Replies: 4,211
Views: 1,320,789
Posted By ennored
Not sure if this belongs here, or in the...

Not sure if this belongs here, or in the unaerodynamic thread....

All the facts I found:
Miata based.
Tulsa cars and coffee.
Forum: Aerodynamics 08-07-2021, 05:20 PM
Replies: 97
Views: 6,418
Posted By ennored
I posted about that. Found it. ...

I posted about that. Found it.

https://ecomodder.com/forum/436708-post34.html
Forum: Aerodynamics 06-23-2021, 09:24 PM
Replies: 138
Views: 11,362
Posted By ennored
So a water skier never travels faster than the...

So a water skier never travels faster than the boat that's pulling him?
Forum: Aerodynamics 06-21-2021, 08:12 AM
Replies: 940
Views: 326,667
Posted By ennored
Couple cool images in a video about the next...

Couple cool images in a video about the next generation NASCAR Chevrolet like the one attached.

https://www.youtube.com/watch?v=VLSrtjacvIE&ab_channel=Chevrolet
Forum: Aerodynamics 06-16-2021, 10:41 PM
Replies: 138
Views: 11,362
Posted By ennored
That's how I understand it. Traveling at say, 10...

That's how I understand it. Traveling at say, 10 MPH, with a 7 MPH tailwind, you have 10 MPH of groundspeed to overcome a 3 MPH headwind.
Forum: Aerodynamics 03-14-2021, 11:05 PM
Replies: 940
Views: 326,667
Posted By ennored
Cadillac raced the CTSV in World Challenge with...

Cadillac raced the CTSV in World Challenge with similar wings.

SCCA made us eliminate the top mounting after a couple years, but the location didn't change.
Forum: Aerodynamics 03-02-2021, 01:00 PM
Replies: 15
Views: 8,054
Posted By ennored
It's better backwards...rooftop cargo box test

This could probably get posted in a few different threads.

Calix Aero Loader reversed skibox test (https://www.youtube.com/watch?v=Z0P6i1YsgII&feature=youtu.be&ab_channel=Bj%C3%B8rnNyland)

I...
Forum: Aerodynamics 01-11-2021, 01:46 PM
Replies: 14
Views: 1,180
Posted By ennored
**Raises hand** (With regards to actually having...

**Raises hand** (With regards to actually having done real testing.)

Sort of anyway. I have at least been in a wind tunnel doing actual (i.e. getting paid to do it) aerodynamic work. It was even...
Forum: Aerodynamics 11-17-2020, 11:57 AM
Replies: 29
Views: 3,776
Posted By ennored
The degree of rounding the front needs is...

The degree of rounding the front needs is actually quite small. A radius equal 4% of the width has been mentioned before. That's a 4" radius on a 100" wide vehicle. Just need to get the air to flow...
Forum: Aerodynamics 07-14-2020, 09:48 PM
Replies: 9
Views: 885
Posted By ennored
Horizontal?

Horizontal?
Forum: Aerodynamics 04-16-2020, 06:48 PM
Replies: 14
Views: 1,789
Posted By ennored
A similar setup was used on British Touring Cars...

A similar setup was used on British Touring Cars back in the 90's. The radiators were mounted low. Air came in the lower opening, through the radiators, and was ducted out the sides, just ahead of...
Forum: Aerodynamics 03-30-2020, 07:17 PM
Replies: 89
Views: 6,310
Posted By ennored
So you do know about the tweaks. As I said, it's...

So you do know about the tweaks. As I said, it's just going to make it tougher to find little things that help.

And you realize something like 80 or 90% of the emissions are due to cold start and...
Forum: Aerodynamics 03-30-2020, 07:05 PM
Replies: 89
Views: 6,310
Posted By ennored
You need to compare your Tahoe to a regular one....

You need to compare your Tahoe to a regular one. You'll find a lot of aero tweaks have been done. So the small stuff has already been done. I'll google, see if I can find a list of differences.
...
Forum: Aerodynamics 03-27-2020, 12:42 AM
Replies: 4,211
Views: 1,320,789
Posted By ennored
It's been mentioned here, twice: ...

It's been mentioned here, twice:

https://ecomodder.com/forum/showthread.php/trunnel-mojave-space-port-33472.html
...
Forum: Aerodynamics 12-09-2019, 12:13 PM
Replies: 52
Views: 6,103
Posted By ennored
Exactly. Just get the leading edges rounded off....

Exactly. Just get the leading edges rounded off. It's a lot like a box truck, square leading edges on the box are BAD.

Truck below (as been posted here before, but photobucket ate the images) is...
Forum: Aerodynamics 11-26-2019, 02:29 PM
Replies: 111
Views: 7,934
Posted By ennored
Cybertruck CFD

Are the boxy Tesla Cybertruck’s aerodynamics any good? An engineer found out (https://ww.electrek.co/2019/11/25/tesla-cybertruck-aerodynamics-cfd-rendering/)

From his Facebook post about it:
...
Forum: EcoModding Central 11-12-2019, 12:17 PM
Replies: 36
Views: 5,306
Posted By ennored
UltraGauge calculates fuel economy the same way...

UltraGauge calculates fuel economy the same way the ScanGauge does.

(No idea why they do it this way. Fuel flow data is in the OBD datastream, use it!)
Forum: Aerodynamics 11-01-2019, 12:02 PM
Replies: 32
Views: 6,028
Posted By ennored
https://ecomodder.com/forum/showthread.php/transfo...

https://ecomodder.com/forum/showthread.php/transforming-my-trailer-via-template-29318-4.html#post436708

Photobucket has eaten the images a bit. But I think this would be the trailer you were...
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