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Forum: Aerodynamics 03-09-2022, 10:18 AM
Replies: 42
Views: 5,049
Posted By aerohead
1991 Toyota 4WD pickup

Here's one image
https://www.edmunds.com/toyota/pickup/1991/review/
Forum: Aerodynamics 07-20-2021, 09:18 AM
Replies: 64
Views: 9,885
Posted By Vekke
The finnish way to build them: ...

The finnish way to build them:
https://www.profilevehicles.com/en/special-vehicles/profile-progrez-ambulance/
Forum: Aerodynamics 01-08-2019, 06:26 PM
Replies: 916
Views: 176,918
Posted By ChopStix
https://ecomodder.com/forum/attachment.php?attachm...

https://ecomodder.com/forum/attachment.php?attachmentid=25409&stc=1&d=1546989943
https://ecomodder.com/forum/attachment.php?attachmentid=25408&stc=1&d=1546989937
Forum: Aerodynamics 01-02-2019, 08:30 AM
Replies: 6
Views: 3,331
Posted By arcosine
Hi, When I did my Saturn, I found on a hot...

Hi,

When I did my Saturn, I found on a hot summer day that the gas tank was over pressurized. Seems a lot of hot air, from the exhaust and radiator, is trapped. The gas tank was hot! I added some...
Forum: Aerodynamics 12-30-2018, 10:34 PM
Replies: 6
Views: 3,331
Posted By COcyclist
Check out my albums. On my Golf I was able to...

Check out my albums. On my Golf I was able to screw into plastic drain plugs and a plastic fairing around the gas tank without drilling holes into metal....
Forum: Aerodynamics 12-20-2018, 10:51 AM
Replies: 6
Views: 3,331
Posted By kach22i
Yea, people have talked about using metal screen...

Yea, people have talked about using metal screen in that area, don't know if it was done though.

A how-to step by step
Belly pan
https://ecomodder.com/wiki/Belly_pan...
Forum: Aerodynamics 12-20-2018, 08:17 AM
Replies: 6
Views: 3,331
Posted By Joenavy85
Be careful of the exhaust piping, I'd imagine the...

Be careful of the exhaust piping, I'd imagine the coroplast wouldn't get along with it too well. As far as how to counter that problem, you may be able to get away with putting some sheet aluminum on...
Forum: Aerodynamics 12-19-2018, 10:42 AM
Replies: 17
Views: 3,533
Posted By Vman455
There are a number of ways you can do it. My most...

There are a number of ways you can do it. My most recent tail was a foamboard/fiberglass composite, spaced out on a cargo box hitch mount so I could still open the hatch:
...
Forum: Aerodynamics 12-18-2018, 11:18 PM
Replies: 17
Views: 3,533
Posted By Ecky
How much it helps will depend very much on the...

How much it helps will depend very much on the speed you're driving. At lower speeds it won't help at all. At highway speeds you can expect a realistic 10-20% with a well made tail. On the flip side,...
Forum: Aerodynamics 03-13-2017, 04:22 PM
Replies: 24
Views: 7,915
Posted By gone-ot
Prius with aerodynamic hemorrhiods?

Can you say "butt ugly"?

https://attachments.priuschat.com/attachment-files/2017/03/121625_P_Pod_3qtr_rearsmall.jpg
Forum: Fossil Fuel Free 02-24-2017, 04:34 PM
Replies: 27
Views: 3,941
Posted By aerohead
solar farm

The coop bought the real estate from a defunct peanut farm in Denton County and covered the whole field with PVs.And through a grid-tied synchronous inverter,wheels the power onto it's grid.
To...
Forum: Aerodynamics 02-24-2017, 12:48 PM
Replies: 67
Views: 54,837
Posted By aerohead
cover/ wing

*For some trucks,a 1/2-tonneau had lower drag than a full tonneau.
http://i1271.photobucket.com/albums/jj622/aerohead2/Untitled7_18.jpg...
Forum: Aerodynamics 02-12-2017, 08:58 AM
Replies: 15
Views: 3,447
Posted By Shepherd777
AirFlow Truck Company StarShip

Hello all -

I haven't posted in a while as we have been behind schedule and busy finishing the truck. I hope to be able to document the truck build within 90 days.

After reading aerohead's...
Forum: Aerodynamics 02-11-2017, 06:08 PM
Replies: 19
Views: 3,755
Posted By freebeard
Still of interest to me because......

Still of interest to me because... submarine/motorhome.

But (a) has a diameter 1 2/5ths that of (b-f). According to my brass caliper, they are within the line width of each other, but then the...
Forum: Aerodynamics 02-02-2017, 11:59 PM
Replies: 27
Views: 5,291
Posted By freebeard
That's quite the hot-wire foam cutter. Here's...

That's quite the hot-wire foam cutter. Here's mine:

http://ecomodder.com/forum/member-freebeard-albums-pieces++parts+ii-picture6263-tool.jpg

And here's the Lionel transformer my folks used to...
Forum: Aerodynamics 01-25-2017, 08:07 AM
Replies: 22
Views: 5,775
Posted By kach22i
I'm looking for a GIF or CFD still of the...

I'm looking for a GIF or CFD still of the pressure and air flow of a car tire in a wheel well.

All I found is some related stuff so far.

AERODYNAMICS OF A SOAP BOX WHEEL
Aerodynamics of a...
Forum: Aerodynamics 01-21-2017, 02:16 PM
Replies: 8
Views: 1,627
Posted By aerohead
NACA wartime windshield drag investigation

Some old-time taxpayer-funded research
http://naca.central.cranfield.ac.uk/reports/1942/naca-wr-l-462.pdf
Forum: Aerodynamics 01-18-2017, 05:40 AM
Replies: 37
Views: 13,140
Posted By Jack-Lee
Hi, the snow point at the aerodynamic...

Hi,
the snow point at the aerodynamic dissadvantages.. :o

http://ecomodder.com/forum/attachment.php?attachmentid=21193&d=1484735349
...
Forum: General Efficiency Discussion 01-14-2017, 07:45 AM
Replies: 22
Views: 2,391
Posted By oil pan 4
The government can't afford for people to buy...

The government can't afford for people to buy 30mpg trucks.
Forum: EcoModding Central 01-13-2017, 07:32 PM
Replies: 2
Views: 989
Posted By dfeldt91
An Article on Tire Pressure

This article is written for bikes but would translate over to cars. It covers various loads, rolling resistance, pressure, etc. I found it interesting, perhaps you will also. It is written by an...
Forum: EcoModding Central 01-12-2017, 01:49 PM
Replies: 110
Views: 37,867
Posted By oil pan 4
I eventually did take apart my old cylinder...

I eventually did take apart my old cylinder heads, mainly I wanted to pull the exhaust valves to see if they were burned.
The exhaust valves showed no signs of burning.
So my lean burn cruise tune...
Forum: Aerodynamics 01-12-2017, 07:48 AM
Replies: 8
Views: 1,622
Posted By gibsonlp
The rear panel can be removed as shown in the...

The rear panel can be removed as shown in the photo below. The front is exactly the same as the rear but just has the mudguard. Rumdog: I think the skirts look great on the bus. Especially when has...
Forum: Aerodynamics 01-09-2017, 02:12 PM
Replies: 205
Views: 90,062
Posted By aerohead
track more solidly

If memory serves me at all,the Texas Tech aeroshell reported something like a 60% reduction in rear lift with the aeroshell and half-tonneau.
DARKO told me that Spirit was the most stable vehicle...
Forum: Aerodynamics 01-04-2017, 09:35 AM
Replies: 42
Views: 6,073
Posted By skyking
Looks like $12 ( at the most) for flat rate...

Looks like $12 ( at the most) for flat rate shipping, and $1 a foot for the 6" and 2$ a foot for the 10"
Typical car dams are 5' long, trucks 6' long.
I'll get a picture of the stuff later, but it...
Forum: Aerodynamics 01-03-2017, 12:41 PM
Replies: 68
Views: 12,915
Posted By deejaaa
like it.

like it.
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