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Forum: Fossil Fuel Free 06-18-2013, 02:19 AM
Replies: 8
Views: 6,549
Posted By cRiPpLe_rOoStEr
I'm not so used to jet-boats, but recently I've...

I'm not so used to jet-boats, but recently I've been looking at some hybrid setups from an Italian company.
That might inspire you:...
Forum: The Unicorn Corral 06-10-2013, 07:00 PM
Replies: 10
Views: 4,548
Posted By kach22i
Vortex strake device and method for reducing the aerodynamic drag of ground vehicles

Vortex strake device and method for reducing the aerodynamic drag of ground vehicles Patent Number US7255387 B2
Patent US7255387 - Vortex strake device and method for reducing the aerodynamic drag...
Forum: Aerodynamics 06-03-2013, 11:17 AM
Replies: 226
Views: 93,647
Posted By MetroMPG
A few more pics with a bit of zoom (previous two...

A few more pics with a bit of zoom (previous two were from a cell phone with a fair amount of distortion).

You can also see I made a notch in the top of the tail so the center mounted LED brake...
Forum: Aerodynamics 05-23-2013, 08:45 AM
Replies: 14
Views: 11,910
Posted By California98Civic
Aerodynamic streamlining (1936 General Motors)

Here is a video I found online that should be of interest. The use of aluminum powder to detect flow around the body types resting in water is interesting pre-animation visualization technology. The...
Forum: Motorcycles / Scooters 05-22-2013, 05:03 PM
Replies: 324
Views: 59,986
Posted By stiletto2
Think I've made enough progress on the Vetter...

Think I've made enough progress on the Vetter fairing project for my 2007 Honda Reflex to make it worth posting. A lot of the progress has come in the last couple weeks since it has finally been warm...
Forum: Aerodynamics 05-16-2013, 04:49 PM
Replies: 6
Views: 3,579
Posted By kach22i
I'm trying to find a link where they discuss that...

I'm trying to find a link where they discuss that aspect.

Please link and quote it if you find it before me.

On jet aircraft and on my hovercraft splitter experiments, wavy edges break up the...
Forum: DIY / How-to 05-16-2013, 02:05 PM
Replies: 772
Views: 255,949
Posted By NeilBlanchard
The new flexible tools are made by Gator...

The new flexible tools are made by Gator Finishing and they are called Zip Sanders. The flexible longboard tool is from Jamestown Distributors. I'm using a Porter Cable "compact" random orbital...
Forum: EcoModding Central 05-15-2013, 12:20 PM
Replies: 7
Views: 1,277
Posted By mikeyjd
Ecomodder Hall of Fame

So I was thinking this morning that allot of us here on Ecomodder owe a great deal of thanks and gratitude to the pro's on this forum that have dedicated huge amounts of time, money, effort, and...
Forum: EcoModding Central 05-13-2013, 04:07 PM
Replies: 149
Views: 57,959
Posted By groundflyer
Turtle Glad you asked was working on a vid yesterday...

Glad you asked was working on a vid yesterday hope yall like it

http://www.youtube.com/watch?v=3UgAlBBpmM8&feature=youtu.be
Forum: The Lounge 05-09-2013, 03:41 PM
Replies: 3
Views: 1,208
Posted By NeilBlanchard
The Bluebird is the first one I thought of when I...

The Bluebird is the first one I thought of when I read your first post. Thanks for posting it!

Here's the second one I thought of:
http://www.youtube.com/watch?v=p6V2Ew1M0sE

This is the third...
Forum: DIY / How-to 05-02-2013, 02:38 PM
Replies: 772
Views: 255,949
Posted By Galane
If you're looking for super bright LEDs try...

If you're looking for super bright LEDs try superbrightleds.com If you're wanting the best price and don't mind waiting on the slow boat from China, besthongkong.com

As much flex as you're getting...
Forum: Alternative Transportation 04-30-2013, 04:13 AM
Replies: 99
Views: 24,348
Posted By BarelyAWake
Seems to be Neil but it's interesting that I'm...

Seems to be Neil but it's interesting that I'm starting to use only the electric more & more w/the four stroke just idling... I think that's 'cause my ebike has spoiled me with it's quiet, smooth...
Forum: DIY / How-to 04-27-2013, 07:29 PM
Replies: 772
Views: 255,949
Posted By NeilBlanchard
First Public Showing @ Framingham Earth Day Festival

This is the first time I've seen it at a distance greater than a few feet, since it's been smoothed (and there is more to go!):
...
Forum: Aerodynamics 04-24-2013, 09:04 AM
Replies: 226
Views: 93,647
Posted By MetroMPG
"payback" for mods to already very efficient vehicles

This got me thinking again about the numbers, and the inevitable suggestions to mass produce.

Let's say you could figure out a way to make and sell copies of this tail for $500 apiece. With U.S....
Forum: Aerodynamics 04-24-2013, 06:47 AM
Replies: 6
Views: 3,579
Posted By fabrio.
Sim-Cel new electric car with low aerodynamic drag

this is the car

http://ecocar-asia.cocolog-nifty.com/blog/images/2013/04/05/001.jpg

some links

「ギザギザ」流行の兆し？: ザッカー編集部スタッフのリレーコラ*...
Forum: Aerodynamics 04-22-2013, 11:51 AM
Replies: 226
Views: 93,647
Posted By MetroMPG
tuft testing video

Well, after a good night's rest and a fresh look at the tuft testing results today, I've decided it's good enough as-is. I'm not going to change it.

EDIT: Neil, I might just test that wheel...
Forum: Aerodynamics 04-21-2013, 07:12 PM
Replies: 226
Views: 93,647
Posted By MetroMPG
done, and tuft tested

http://ecomodder.com/forum/attachment.php?attachmentid=12952&stc=1&d=1366585851

http://ecomodder.com/forum/attachment.php?attachmentid=12951&stc=1&d=1366585851
...
Forum: The Lounge 04-20-2013, 12:30 AM
Replies: 55
Views: 6,597
Posted By Fat Charlie
Swift justice seems to mean street justice to...

Swift justice seems to mean street justice to you. Have you ever put a gun to someone's head knowing that he hadn't done anything wrong, but that was the only way you had of communicating with him? ...
Forum: Fossil Fuel Free 04-18-2013, 08:36 AM
Replies: 24
Views: 3,883
Posted By Blue Angel
All true, but the two biggest things holding...

All true, but the two biggest things holding today's li-ion batteries back are cost and charge/discharge properties.

From a hybrid point of view this general idea makes a lot of sense. The...
Forum: General Efficiency Discussion 04-12-2013, 02:28 PM
Replies: 230
Views: 50,313
Posted By NeilBlanchard
More articles and pictures! ...

More articles and pictures!

http://cbsdetroit.files.wordpress.com/2013/04/vlc8.jpg

Edison2 Unveils New Super-MPG Car At The Henry Ford CBS Detroit...
Forum: General Efficiency Discussion 04-11-2013, 08:18 PM
Replies: 230
Views: 50,313
Posted By sheepdog 44
Edison2 shows off an updated Very Light Car EV by...

Edison2 shows off an updated Very Light Car EV by exposing its unique frame (hands-on) (http://www.engadget.com/2013/04/11/edison2-updated-very-light-car/)

Update: short radio interview....
Forum: General Efficiency Discussion 04-11-2013, 01:32 PM
Replies: 230
Views: 50,313
Posted By XprizeRoadTrip
Watch the unveil LIVE in 30 minutes here:...

Watch the unveil LIVE in 30 minutes here: http://on.fb.me/14cHNnN
This was just posted on Facebook - looks same, but theres the nose of a 245 MPGe in the background....
Forum: DIY / How-to 04-03-2013, 01:32 PM
Replies: 772
Views: 255,949
Posted By 3-Wheeler
Hi Jack, Actually for a "rectangle" shape in...

Hi Jack,

Actually for a "rectangle" shape in bending, when the thickness doubles, the strength goes up by four (T^2). This is for a material of solid section, i.e. one material, not a composite....
Forum: Aerodynamics 03-25-2013, 05:45 PM
Replies: 32
Views: 18,501
Posted By botsapper
A recent windtunnel surprise, Volkhart V2 Sagitta

A German engineer K.C. Volkhart build, V2 Sagitta, was a rare aero-body built on top of the Volkswagen KdF-Wagen Type 60, Beetle. Two were eventually built, based on the work by famous German...
Forum: The Lounge 09-05-2012, 01:45 PM
Replies: 40
Views: 5,646
Posted By Varn
We we'rnt "Green" in the old days.

Checking out at the store, the young cashier suggested to me, that I should bring my own grocery bags because plastic bags weren't good for the environment.

The woman apologized and explained, "We...
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