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Forum: Aerodynamics Yesterday, 07:00 PM
Replies: 3
Views: 102
Posted By freebeard
More economy to be had by long-lived blades in...

More economy to be had by long-lived blades in operation?
Forum: Aerodynamics Yesterday, 05:37 PM
Replies: 3
Views: 102
Posted By Phase
Most wipers are in the low pressure zone behind...

Most wipers are in the low pressure zone behind the air intake where the hood and windshield meat do they don’t have any affect on the aero. I even removed my wipers. Made no difference in testing
Forum: Aerodynamics Yesterday, 05:31 AM
Replies: 3
Views: 102
Posted By Piotrsko
Because they are messing with boundary layer...

Because they are messing with boundary layer flow, it isn't just one design over the other. Could also be down in the data noise area also and would be difficult to see much change
Forum: Off-Topic Tech 05-07-2024, 08:24 PM
Replies: 1,536
Views: 224,264
Posted By ChopStix
https://ecomodder.com/forum/attachment.php?attachm...

https://ecomodder.com/forum/attachment.php?attachmentid=34721&stc=1&d=1715127842
https://ecomodder.com/forum/attachment.php?attachmentid=34722&stc=1&d=1715127842
Forum: The Lounge 05-07-2024, 05:45 PM
Replies: 36
Views: 1,859
Posted By freebeard
After all these years of looking at that...

After all these years of looking at that thumbnail, I gotta say you look better with a beard. :thumbup:
Forum: The Lounge 05-07-2024, 01:06 PM
Replies: 2
Views: 91
Posted By Xist
SuperFastMatt turbocharged his oven

If you don't know who he is, he is working on a number of cool projects, including a land speed racer, and he modified a used oven to make his windshield.

I enjoy his style.

I don't have the...
Forum: EcoModding Central 05-07-2024, 03:50 AM
Replies: 22
EGR
Views: 414
Posted By racprops
Well as in a number of things about this build, I...

Well as in a number of things about this build, I LUCKED out on a fair number of them.

Really I did NOT have the science to make a really informed derision...just a little reading between the...
Forum: EcoModding Central 05-06-2024, 06:49 PM
Replies: 22
EGR
Views: 414
Posted By Ecky
I've seen most of the fuel economy improvements...

I've seen most of the fuel economy improvements happen (at least from GM) in the late 00's and later. Much of this seems to come from finally adopting tech like VVT, finer engine control, etc.
...
Forum: Success Stories 05-06-2024, 01:10 PM
Replies: 337
Views: 53,676
Posted By mrme1983
A new door I made but it did not come out right. ...

A new door I made but it did not come out right. The mold spread by a couple of inches and it's so strong it could not be changed, prestress would not be so good (was in a hurry and forgot mold...
Forum: Off-Topic Tech 05-06-2024, 12:29 PM
Replies: 1,536
Views: 224,264
Posted By ChopStix
First 2 from a local car show. Third from...

First 2 from a local car show. Third from online….

https://ecomodder.com/forum/attachment.php?attachmentid=34713&stc=1&d=1715012899...
Forum: Aerodynamics 05-06-2024, 11:32 AM
Replies: 7
Views: 238
Posted By freebeard
Road vehicles operate in the 6 foot deep...

Road vehicles operate in the 6 foot deep micro-climate at the ground surface. Isn't that by definition turbulent?
Forum: EcoModding Central 05-06-2024, 09:46 AM
Replies: 22
EGR
Views: 414
Posted By racprops
So this month I hope to swap out the dead 350 and...

So this month I hope to swap out the dead 350 and its 4L60e with my custom 383 and its 4L80e and dual range overdrive.

This dream and project has taken 26 years to do.

Frankly I am afraid to...
Forum: EcoModding Central 05-06-2024, 02:43 AM
Replies: 22
EGR
Views: 414
Posted By Isaac Zachary
Contrary to popular belief, swirls are bad for...

Contrary to popular belief, swirls are bad for fuel mileage. All they do is fling the gasoline out of the air causing separation of fuel and air, the exact oposite of what we think they do.

It's...
Forum: Aerodynamics 05-06-2024, 12:26 AM
Replies: 23
Views: 772
Posted By Piotrsko
To my limited knowledge, I have not seen a...

To my limited knowledge, I have not seen a minimum size required in rear view mirrors in any jurisdiction...... In Cali, dental mirrirs have been used for decades. Couple that with a camera/monitor...
Forum: EcoModding Central 05-05-2024, 06:02 PM
Replies: 22
EGR
Views: 414
Posted By Ecky
Good information, @Isaac Zachary. I'll add...

Good information, @Isaac Zachary.

I'll add a few bits:

As you say, atmospheric air is effectively inert, though EGR has far less oxygen in it to combine with nitrogen, so it naturally produces...
Forum: Aerodynamics 05-05-2024, 12:14 PM
Replies: 1,312
Views: 165,417
Posted By freebeard
Odd, but optimal (for what it is):...

Odd, but optimal (for what it is):...
Forum: Aerodynamics 05-05-2024, 09:02 AM
Replies: 1,312
Views: 165,417
Posted By Piotrsko
Trabant parade ( more than 3 running...

Trabant parade ( more than 3 running consecutively)
Forum: Aerodynamics 05-05-2024, 08:56 AM
Replies: 1,312
Views: 165,417
Posted By Piotrsko
Saw in VW museum (betcha @aerohead wont see much...

Saw in VW museum (betcha @aerohead wont see much wtong with it)
Forum: Off-Topic Tech 05-05-2024, 12:35 AM
Replies: 1,536
Views: 224,264
Posted By Piotrsko
Top should have only two issues, at least for me:...

Top should have only two issues, at least for me: some idjiot got too excited torquing the driver side and rounded the nut requiring a 6 point shorty socket. The other one for me: passenger side...
Forum: General Efficiency Discussion 05-04-2024, 07:56 AM
Replies: 12
Views: 318
Posted By Logic
The Speed of Air guys do carry on about how the...

The Speed of Air guys do carry on about how the dimples' size, shape and position is based on the say so of some or other aero software, saying that you can't just put any old dimple anywhere.
I too...
Forum: The Lounge 05-04-2024, 12:39 AM
Replies: 29
Views: 1,786
Posted By Piotrsko
Need a skin that tolerates, afaik 2500 degrees F....

Need a skin that tolerates, afaik 2500 degrees F. Aluminum gets all wonky at 1300. High nickle stainless is traditionally used.
Forum: The Lounge 05-04-2024, 12:33 AM
Replies: 550
Views: 29,740
Posted By Piotrsko
That explained a lot.

That explained a lot.
Forum: The Lounge 05-03-2024, 04:18 PM
Replies: 278
Views: 11,481
Posted By Isaac Zachary
AA brand cylinder and cylinder sets are top...

AA brand cylinder and cylinder sets are top notch. Their stock 1,600 cc set is what I got for my Bug and they are high quality. Many have said that they are higher quality than the Mahle cylinders....
Forum: Alternative Transportation 05-03-2024, 02:26 PM
Replies: 52
Views: 12,239
Posted By samwichse
You could throw a 3 speed coaster brake hub on...

You could throw a 3 speed coaster brake hub on there for $66 US and make it much more practical and still look pretty much stock:...
Forum: General Efficiency Discussion 05-03-2024, 02:10 PM
Replies: 12
Views: 318
Posted By Logic
These dimples (size position etc) are most likely...

These dimples (size position etc) are most likely based on software developed by a Sal Rodriguez of Sandia National Labs.

New topic here:...
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