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Search: Posts Made By: Sven7
Forum: Aerodynamics 11-18-2015, 12:48 PM
Replies: 11
Views: 1,978
Posted By NeilBlanchard
So, they are using air velocity to compensate for...

So, they are using air velocity to compensate for the scale of the model; not air pressure.

Thanks for the thorough report! I am looking forward to the results of their wind tunnels.
Forum: Alternative Transportation 10-19-2015, 02:56 PM
Replies: 24
Views: 10,971
Posted By Grant-53
Would you believe that wearing inline roller...

Would you believe that wearing inline roller skates makes you a vehicle operator on the road here in NYS? I shook my head when I read that statute.
Forum: Aerodynamics 07-29-2015, 05:24 PM
Replies: 57
Views: 21,294
Posted By freebeard
l0l

l0l
Forum: Aerodynamics 07-29-2015, 04:20 PM
Replies: 57
Views: 21,294
Posted By MetroMPG
Well, we're integrating the 65+ Mods master list...

Well, we're integrating the 65+ Mods master list with the EM garage. So, input/feedback on the list will be welcome (we will face the onslaught regardless of seeking it or not).

We also need to...
Forum: Aerodynamics 07-27-2015, 12:31 PM
Replies: 57
Views: 21,294
Posted By drainoil
Sven7, just read through everything here. Nice...

Sven7, just read through everything here. Nice work!
Forum: Aerodynamics 07-21-2015, 11:17 AM
Replies: 57
Views: 21,294
Posted By Vman455
Don’t lower your tailgate: GM details aerodynamic...

Don’t lower your tailgate: GM details aerodynamic design of 2014 Silverado and Sierra, debunks myths | Equipment World | Construction Equipment, News and Information | Heavy Construction Equipment...
Forum: Aerodynamics 07-18-2015, 02:12 PM
Replies: 10
Views: 5,076
Posted By aerohead
reliable

If a MATCHBOX car was 1-50th-scale,they'd require 50X a normal critical Reynolds number velocity of 1:1 scale,or,50X 20 mph,or 1,000 mph for the wind tunnel.
And then compressibility effects would...
Forum: Alternative Transportation 07-14-2015, 03:13 PM
Replies: 25
Views: 5,256
Posted By dongs
Went great. Greased the front and rear wheel...

Went great. Greased the front and rear wheel bearings, the hub, crank bearings, replaced the axle, trued the wheels and gave the chain a good clean and lube. Rides great thus far.
Youtube was my...
Forum: Alternative Transportation 07-01-2015, 08:09 PM
Replies: 11
Views: 6,046
Posted By Johnny Mullet
Aeromods on a suspension mountain bike would be a...

Aeromods on a suspension mountain bike would be a waste of energy. You can make your bike faster with the tires like you did and by losing the front suspension fork.

Truly if you want to go...
Forum: EcoModding Central 06-25-2015, 02:51 PM
Replies: 73
Views: 12,233
Posted By dirtydave
here are the mods we did at the park and at...

here are the mods we did at the park and at oldmech's house

Lawnairdam
http://i.imgur.com/1g0L3Hm.jpg

100% upper grill block
http://i.imgur.com/vLkxgZN.jpg

hubcaps...
Forum: EcoModding Central 06-25-2015, 02:24 PM
Replies: 73
Views: 12,233
Posted By dirtydave
dude, that is a great idea! I love it.

dude, that is a great idea! I love it.
Forum: EcoModding Central 06-25-2015, 01:54 PM
Replies: 329
Views: 65,529
Posted By MetroMPG
It's because mine has wheel covers on it. :P

It's because mine has wheel covers on it. :P
Forum: EcoModding Central 06-25-2015, 11:43 AM
Replies: 3
Views: 1,065
Posted By NicholaiMD
Smile My Skoda fabia hatchback storry and aero suggestions

Hello ecomodder forum!

I just discovered this website and i am super excited about it.
Last year i started experimenting with some hypermiling techniques to achieve better milage on my way to...
Forum: Aerodynamics 06-24-2015, 04:57 PM
Replies: 16
Views: 3,865
Posted By Grant-53
Note that the Zzipper crouch (line 6) and the...

Note that the Zzipper crouch (line 6) and the Easy Rider recumbent (line 7) have the same CdA of 2.9 so you can get the benefit either way. Aero bars are quite comfortable as are recumbents.
Forum: Aerodynamics 06-24-2015, 04:20 PM
Replies: 52
Views: 18,894
Posted By aerohead
vortices

There's the locked-vortex rotating behind the cab which is lifting the forward portion of the bedcover.
Behind that,the flow is slamming down against the cover.That's all normal.
Adding some sort...
Forum: EcoModding Central 06-23-2015, 12:46 PM
Replies: 73
Views: 12,233
Posted By dirtydave
I added that after he posted that

I added that after he posted that
Forum: Aerodynamics 06-23-2015, 09:25 AM
Replies: 16
Views: 3,865
Posted By Vman455
Unless you're deliberately holding back during a...

Unless you're deliberately holding back during a workout, lower drag won't make you not as strong. You'll just go faster on the same wattage during training.
Forum: Aerodynamics 06-22-2015, 06:04 PM
Replies: 31
Views: 5,881
Posted By aerohead
Image '94 GT and

http://i1271.photobucket.com/albums/jj622/aerohead2/Untitled13-2-1.jpg (http://s1271.photobucket.com/user/aerohead2/media/Untitled13-2-1.jpg.html)
Here's the '82...
Forum: Aerodynamics 06-22-2015, 11:59 AM
Replies: 16
Views: 3,865
Posted By California98Civic
I think I'll place an interlibrary loan request...

I think I'll place an interlibrary loan request for the article. I'll post what I learn into this thread. I plan to lower my stem, shave the ends of my MTB style handlebars so my hands-distance...
Forum: Aerodynamics 06-22-2015, 01:38 AM
Replies: 16
Views: 3,865
Posted By California98Civic
Aerodynamics of real-world bicycles

Researching fairings for my electric bike, I ran into this article and learned that fairings might be worse than useless. Who knew? Also, the tuck is the best. That's free! I can do more of that!
...
Forum: Aerodynamics 06-21-2015, 08:44 PM
Replies: 63
Views: 9,280
Posted By freebeard
That first picture freaked me out. Don't do that.

That first picture freaked me out. Don't do that.
Forum: Events & Meet-ups 06-21-2015, 05:13 PM
Replies: 2
Views: 1,278
Posted By California98Civic
Last El Mirage pics

Cd asked me to ask these questions at El Mirage last weekend during the SCTA land speed racing event. I had planned photos and questions, but then a camera problem, a minor car problem, and my...
Forum: Aerodynamics 06-19-2015, 11:26 PM
Replies: 52
Views: 18,894
Posted By freebeard
http://ecomodder.com/forum/attachment.php?attachme...

http://ecomodder.com/forum/attachment.php?attachmentid=9758&stc=1&d=1321799679
http://ecomodder.com/forum/showthread.php/1965-ford-f100-aero-cap-photoshop-inside-19522-2.html#post271138...
Forum: Success Stories 06-19-2015, 08:37 PM
Replies: 28
Views: 4,532
Posted By California98Civic
Car has not started for five days

Been doing all my "driving" (an average of about 15 miles a day) on the ebike). On the bike I get an MPGe of about 3000. At $0.15/kwh this is nearly free. (But it cost me $1300+ to build the bike!)...
Forum: Alternative Transportation 06-19-2015, 01:09 PM
Replies: 107
Views: 29,455
Posted By leanAztek
Sven7 have you noticed that people with the newer...

Sven7 have you noticed that people with the newer cars don't turn on their lights until it is really dark now? They have the back-lit gauges in the dash so I guess they can see how fast they are...
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