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Search: Posts Made By: thatguitarguy
Forum: Aerodynamics 08-07-2011, 06:54 PM
Replies: 160
Views: 44,063
Posted By orbywan
Pan # 3 was made without a template since I was...

Pan # 3 was made without a template since I was out of cardboard and it has no moving parts in that area. This is as far as I’ve come so far, this is far more time consuming and way less fun than...
Forum: Aerodynamics 07-13-2011, 08:01 PM
Replies: 189
Views: 108,177
Posted By orbywan
Aero RV (custom boat tail for '95 Ford E-350 Class C motorhome)

About a month ago I decided to build a boat tail for my 95 E-350 Ford 25 foot turbo diesel Class C motor home. I read the aerodynamics study NASA did at Dryden Air Force base back in the late 60’s on...
Forum: Aerodynamics 06-28-2011, 11:11 AM
Replies: 93
Views: 17,270
Posted By wyatt
Hucho says a concavity that is 13% as deep as it...

Hucho says a concavity that is 13% as deep as it is wide is the optimum for drag reduction. So for a boat tail end that is 8 inches tall and 30 inches wide, you would use the 8 inches since it's the...
Forum: Aerodynamics 04-24-2010, 09:29 PM
Replies: 12
Views: 11,693
Posted By wyatt
Cross grain bending is accomplished by using a...

Cross grain bending is accomplished by using a straight edge to make a very straight score on the back side. Then leave the straight edge in place to make the fold. Just be careful to only SCORE the...
Forum: Alternative Transportation 03-31-2010, 03:17 PM
Replies: 386
Views: 105,247
Posted By Bicycle Bob
Trailer Hitch

A short length of a heavy-duty V belt or a chunk of truck tire caracass makes a dandy hitch hinge. It can be attached with wing nuts for quick removal.
Forum: Fossil Fuel Free 03-04-2010, 07:06 PM
Replies: 11
Views: 3,279
Posted By Russ
Popular Science Archive free online - very cool

Popular Science has made their entire archive available online and searchable.
I've already read a few articles about electric cars from 1940.

Popular Science Puts Entire Scanned Archive Online,...
Forum: Instrumentation 03-01-2010, 03:32 PM
Replies: 80
Views: 20,788
Posted By kubark42
Announcing a complete solution to mapping engine efficiency

(Acknowledgement: This project was inspired and made possible by the MPGuino.)

As part of an extensive research project in optimal control, we have developed a sensor suite that we think can be...
Forum: Aerodynamics 01-30-2010, 05:54 AM
Replies: 33
Views: 16,732
Posted By lunarhighway
as far as tire fairings go i used to run...

as far as tire fairings go i used to run something made out of linuleum
http://i77.photobucket.com/albums/j55/thelunarhighway/dams/Foto0130.jpg
basically the shape was formed by the dimentions of...
Forum: Aerodynamics 01-30-2010, 01:30 AM
Replies: 33
Views: 16,732
Posted By cfg83
moonmonkey - It's a magazine/book. ...

moonmonkey -



It's a magazine/book. There's too much to try to post everything. Here's the picture I said I would post for Old Tele man and thatguitarguy :
...
Forum: Aerodynamics 01-29-2010, 08:38 PM
Replies: 33
Views: 16,732
Posted By Cd
Phil good to see you again. I use...

Phil good to see you again.

I use flexible rubber wall base for my 'whiskers'.
It is pretty inexpensive too.
...
Forum: EcoModding Central 01-29-2010, 02:57 PM
Replies: 7
Views: 12,428
Posted By cfg83
thatguitarguy - No. Once the engine...

thatguitarguy -



No. Once the engine is warm it takes less than 10 seconds. Sometimes less than 5. I think it goes to closed loop fast when the engine is warm. The ECU/PCM probably looks at...
Forum: Aerodynamics 01-26-2010, 06:00 PM
Replies: 500
Views: 296,017
Posted By MetroMPG
Measurements

... in inches:

http://ecomodder.com/forum/attachment.php?attachmentid=5474&stc=1&d=1264546553

http://ecomodder.com/forum/attachment.php?attachmentid=5473&stc=1&d=1264546553

Notes on these...
Forum: For Sale 01-04-2010, 12:12 PM
Replies: 23
Views: 4,614
Posted By alohaspirit
there was a tutorial here but the pics are dead ...

there was a tutorial here but the pics are dead

How to Install a Vacuum Gauge : Gas Saver Guide (http://gassaverguide.info/how-to-install-a-vacuum-gauge/)
How to install a Vac-Boost Gauge by a...
Forum: Alternative Transportation 12-23-2009, 04:27 PM
Replies: 9
Views: 4,258
Posted By MetroMPG
Video/presentation: 7000 km cross-Canada electric bike adventure on$10 of electricity

Last night I watched a really entertaining presentation on Google Video by a Canadian e-bike enthusiast & entrepreneur who rode from coast to coast last summer on his custom built Franken-e-bike.
...
Forum: Instrumentation 12-22-2009, 04:19 PM
Replies: 8
Views: 2,470
Posted By MetroMPG
Doubles the amount of time you spend looking at...

Doubles the amount of time you spend looking at instrumentation instead of the road, too! :)

I've also seen it done, in a Prius.
Forum: Aerodynamics 12-19-2009, 04:48 PM
Replies: 32
Views: 9,064
Posted By aerohead
Photo Gallery-3

more pics( clock is running out,not enough left to photoshop rest,will have to wait 'til after holidays,sorry!)
Forum: Aerodynamics 12-19-2009, 01:54 PM
Replies: 68
Views: 25,008
Posted By aerohead
theory

I think your theory is okay.Comparing how much Mitsubishi was able to "cheat" on their Lancer with the VGs may give you insight into how much you might be able to cheat on the tail.
Forum: Aerodynamics 12-18-2009, 01:34 PM
Replies: 81
Views: 39,873
Posted By 3-Wheeler
Hi Brian, I can not endorse the full...

Hi Brian,

I can not endorse the full coverage you are proposing for several reasons:

This has already been done before, with dire consequences during the Craig Vetter High Mileage contest in...
Forum: Aerodynamics 12-17-2009, 11:01 PM
Replies: 81
Views: 39,873
Posted By 3-Wheeler
Brian, Here is confirmation that you indeed,...

Brian,

Here is confirmation that you indeed, do not want to add a fairing to the front wheel by itself...

... The fairing around the front wheel needs to be supported by the frame...

Ask me...
Forum: Aerodynamics 12-17-2009, 10:56 PM
Replies: 68
Views: 25,008
Posted By 3-Wheeler
Hi, Well it took a while to find these old...

Hi,

Well it took a while to find these old photos, but after scanning in copies from a photo album, you now have something to look at...

Picasa Web Albums - jsmosher - Motorcycle-Fa......
Forum: Aerodynamics 12-16-2009, 11:45 PM
Replies: 500
Views: 296,017
Posted By MetroMPG
YouTube video posted: ...

YouTube video posted:

http://www.youtube.com/watch?v=1sQFtd-bTfw

I'll probably post another with just the "raw" testing video for those who want to watch just the wooly wiggling and not the...
Forum: Aerodynamics 12-16-2009, 11:09 AM
Replies: 81
Views: 39,873
Posted By theycallmeebryan
http://www.velomobiel.nl/allert/Recumbent%20motorb...

http://www.velomobiel.nl/allert/Recumbent%20motorbike_bestanden/image074.jpg

I just came across this man's project in streamlining a Honda Innova 125. I had seen this months ago, but figured i'd...
Forum: Motorcycles / Scooters 12-14-2009, 01:32 PM
Replies: 7
Views: 4,737
Posted By NeilBlanchard
ElectroCat lithium battery powered motorcycle

Hi,

I just recently read about this (A123) lithium battery powered electric motorcycle, and it looks freakin' awesome!

Eva Håkansson - with passion for electric drive...
Forum: EcoModding Central 12-14-2009, 01:21 PM
Replies: 120
Views: 178,131
Posted By MetroMPG
Arrow How to properly test modifications (AKA: don't believe every MPG claim you read)

Here on EcoModder we see a lot of claims made about the effectiveness (or lack of effectiveness) of specific modifications. It's an understatement to say not all claims are made equal.

Just...
Forum: Off-Topic Tech 12-11-2009, 11:04 AM
Replies: 21
Views: 8,998
Posted By NeilBlanchard
John Britten: the ultimate "modder"?

John Britten designed and built these amazing machines: they have (at least) 5 major design elements: "skin & bones" carbon fiber wheels, beam suspension with no "stiction" and controllable geometry,...
Showing results 1 to 25 of 47

 
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