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Showing results 1 to 25 of 26
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Posts Made By:
winkosmosis
Forum:
Aerodynamics
11-13-2011, 01:35 PM
Replies:
65
Front bumper shape
Views:
12,168
Posted By
winkosmosis
I'd like to see a picture of a front end without...
I'd like to see a picture of a front end without attached flow... Following your logic, you could take off the bumper and the whole front fascia, flow will still be attached, and drag won't change. ...
Forum:
Aerodynamics
08-01-2011, 11:04 PM
Replies:
6
Porsche aerodynamics
Views:
2,253
Posted By
winkosmosis
This is one of the related videos ...
This is one of the related videos
http://www.youtube.com/watch?v=_K4HSD6c0_I&NR=1
Forum:
Aerodynamics
06-21-2011, 03:25 PM
Replies:
17
Mustang kammback help
Views:
5,424
Posted By
winkosmosis
The limit is 30 degrees, and the Mustang is...
The limit is 30 degrees, and the Mustang is within that limit, plus it has a gradual curve. I think it's fine the way it is. I'd be surprised if you got a significant improvement from making your...
Forum:
Aerodynamics
05-31-2011, 02:55 PM
Replies:
66
Busting an aerodynamic myth -- Planes don't fly due to Bernoulli Effect
Views:
17,595
Posted By
winkosmosis
I got a response from the NASA guy. Here is what...
I got a response from the NASA guy. Here is what I sent:
His reply:
Forum:
Aerodynamics
05-26-2011, 08:33 PM
Replies:
66
Busting an aerodynamic myth -- Planes don't fly due to Bernoulli Effect
Views:
17,595
Posted By
winkosmosis
Busting an aerodynamic myth -- Planes don't fly due to Bernoulli Effect
I think this topic deserves its own thread because it of how widespread the myth is and how important this is to aerodynamics, including car aerodynamics.
It's one of those "facts" that we were...
Forum:
Aerodynamics
05-26-2011, 08:11 PM
Replies:
102
Aeromodifications for large motorhome
Views:
32,463
Posted By
winkosmosis
What is Lift?...
What is Lift? (http://www.grc.nasa.gov/WWW/K-12/airplane/lift1.html)
There are many explanations for the generation of lift found in encyclopedias, in basic physics textbooks, and on Web sites....
Forum:
Aerodynamics
05-17-2011, 06:00 PM
Replies:
102
Aeromodifications for large motorhome
Views:
32,463
Posted By
winkosmosis
Instead of making a bullet nose which will direct...
Instead of making a bullet nose which will direct air up into the flat windshield, you can make a tub shape to direct air toward the sides, like that NASA truck
Forum:
Aerodynamics
05-16-2011, 08:57 PM
Replies:
19
First Attempt at some aeromods-Dodge Neon
Views:
4,616
Posted By
winkosmosis
The best space to leave open would be the lowest...
The best space to leave open would be the lowest and most central. So it would make more sense to put shields in front of the top grill and the foglight openings, and leave the bottom center open.
Forum:
Aerodynamics
05-16-2011, 08:37 PM
Replies:
102
Aeromodifications for large motorhome
Views:
32,463
Posted By
winkosmosis
Wow... why don't trucks look like that anymore? ...
Wow... why don't trucks look like that anymore?
Also...
Aerodynamics Research Revolutionizes Truck Design (http://www.sti.nasa.gov/tto/Spinoff2008/t_3.html)...
Forum:
Off-Topic Tech
04-25-2011, 02:27 AM
Replies:
29
Solar Panels for Auto Applications
Views:
9,425
Posted By
winkosmosis
The Prius uses them to run cooling fans when it's...
The Prius uses them to run cooling fans when it's parked so the interior doesn't get so hot. That's probably the best use for solar.
Forum:
Aerodynamics
04-18-2011, 07:41 PM
Replies:
17
Aerodyamics and "big rigs"
Views:
4,614
Posted By
winkosmosis
I was curious what the most aerodynamic truck was...
I was curious what the most aerodynamic truck was so I googled, and I found this interesting thread Aerodynamic Trucks - Life on the Road – Trucking News Blog...
Forum:
Aerodynamics
01-20-2011, 03:02 PM
Replies:
53
Smooth Wheel Cover Discussion Thread
Views:
12,805
Posted By
winkosmosis
Why bother even covering those tiny holes? Just...
Why bother even covering those tiny holes? Just leave them be, they look cool and will have virtually zero impact on aerodynamics.
Forum:
Aerodynamics
12-13-2010, 08:13 PM
Replies:
132
What's the best RV/motorhome aerodynamically?
Views:
106,357
Posted By
winkosmosis
I'm reading about the FWD GMC motorhomes on...
I'm reading about the FWD GMC motorhomes on Wikipedia.
Check out the chassis. FWD means the load floor is really low. The wheels are suspended by bogies instead of axles!
...
Forum:
General Efficiency Discussion
09-12-2010, 06:27 PM
Replies:
15
question on how to approach getting to my home...
Views:
2,067
Posted By
winkosmosis
Experiment and see which is better
Experiment and see which is better
Forum:
Aerodynamics
02-28-2010, 12:42 PM
Replies:
29
Let's talk about Fineness Ratios ( pointy front ends )
Views:
10,639
Posted By
winkosmosis
Also, I think the aerofoil shape is misapplied to...
Also, I think the aerofoil shape is misapplied to cars. The reason a wing has a front end that's rounded is because it has to work through a wide angle-of-attack range. A plane creates lift by...
Forum:
Aerodynamics
01-16-2010, 01:04 PM
Replies:
6
Plans for grille block on Tank
Views:
1,738
Posted By
winkosmosis
Looks like a good candidate for a clear plastic...
Looks like a good candidate for a clear plastic cover on the outside.
Forum:
Aerodynamics
01-14-2010, 11:39 AM
Replies:
32
diamond plate bellypan diffuser?
Views:
9,519
Posted By
winkosmosis
Some diamond plate is like that but some has...
Some diamond plate is like that but some has interlocking ridges. Even if you are depending on the thickness of the sheet between the ridges it would still be more rigid, just like those skid plates...
Forum:
Aerodynamics
12-14-2009, 10:04 PM
Replies:
109
Pizza pan hubcap project
Views:
42,543
Posted By
winkosmosis
Those lug nut covers fall off, so I doubt they...
Those lug nut covers fall off, so I doubt they will hold a pizza pan.
I think it makes more sense to just use long lug nuts that leave unused treads at the top, and screw the correct tread bolt...
Forum:
Aerodynamics
12-06-2009, 05:05 PM
Replies:
175
Aerodynamic lift- A real problem
Views:
26,125
Posted By
winkosmosis
You guys are making this way more complicated...
You guys are making this way more complicated than necessary. You aren't seeing the forest for the trees.
The optimal shape for a practical vehicle travelling on the ground is NOT a teardrop....
Forum:
Aerodynamics
12-06-2009, 01:21 AM
Replies:
175
Aerodynamic lift- A real problem
Views:
26,125
Posted By
winkosmosis
The brick (aligned with movement direction) is...
The brick (aligned with movement direction) is neutral because the surfaces are all either perpendicular to flow or parallel, so no surface is making lift or downforce. Most importantly, the...
Forum:
Aerodynamics
12-06-2009, 12:53 AM
Replies:
175
Aerodynamic lift- A real problem
Views:
26,125
Posted By
winkosmosis
Let me say this again. Every surface on a...
Let me say this again.
Every surface on a vehicle exerts a force on the vehicle. Every point has a certain force vector.
The parts of a vehicle with positive pitch are exerting lift on the...
Forum:
Aerodynamics
12-05-2009, 04:23 PM
Replies:
15
Rear Mounted Spare
Views:
2,645
Posted By
winkosmosis
I'll measure when it's not freaking cold outside....
I'll measure when it's not freaking cold outside. I can get the angle of the glass too
Forum:
Aerodynamics
11-28-2009, 11:01 AM
Replies:
39
Car Top Carrier Question
Views:
20,095
Posted By
winkosmosis
The back of those cargo carriers is usually a...
The back of those cargo carriers is usually a pretty flat surface. I know people are fond of saying "it would be better backwards".... No it wouldn't, not when a sheer front surface is slamming into...
Forum:
Aerodynamics
05-06-2009, 02:10 AM
Replies:
45
nissan kingcab aerocap
Views:
33,731
Posted By
winkosmosis
I don't understand why people say a vehicle needs...
I don't understand why people say a vehicle needs to be low. It doesn't matter how much air is moving under the vehicle. What matters is the drag on the parts hanging down. If the body directs air...
Forum:
Aerodynamics
02-28-2009, 01:18 PM
Replies:
22
Brock Racing Aerovault trailer
Views:
10,215
Posted By
winkosmosis
Brock Racing Aerovault trailer
I saw an ad for this in Grassroots Motorsports magazine. The one in the ad and in the brochure even has moon hubcaps. The underside is skinned!!
BRE: BRE Aerovault Trailer...
Showing results 1 to 25 of 26
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