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Search took 0.22 seconds. Search: Posts Made By: gumby79
Forum: Aerodynamics 12-03-2020, 05:22 AM
Replies: 272
Views: 19,827
Posted By aardvarcus
Even funnier is that of the six cars being used...

Even funnier is that of the six cars being used to disprove the "template", five fit the AST-II diagram perfectly and the other one is streamlined from top view, begging the question why you thought...
Forum: Aerodynamics 10-02-2020, 12:40 PM
Replies: 23
Views: 4,744
Posted By MetroMPG
Gumby - I flipped your image back. Nice...

Gumby - I flipped your image back.


Nice context on the stock MPG of that diesel engine.
Forum: Aerodynamics 05-24-2020, 05:13 PM
Replies: 150
Views: 19,707
Posted By JulianEdgar
I understand a blown diffuser to be blown only if...

I understand a blown diffuser to be blown only if there is external energy applied eg via a electric motor and fan.

The eroding clay was used on only one side of the car and the car was driven in...
Forum: Aerodynamics 05-24-2020, 12:13 AM
Replies: 21
Views: 13,894
Posted By JulianEdgar
Caught up with air guide vanes on a Mercedes. ...

Caught up with air guide vanes on a Mercedes.

https://i.postimg.cc/kGC0VcGf/IMG-0415.jpg


Inlet....

https://i.postimg.cc/G3J0WZgN/IMG-0413.jpg

...versus outlet.
Forum: Aerodynamics 05-15-2020, 02:53 PM
Replies: 141
Views: 30,289
Posted By ptjones
When I am doing testing, when I take the covers...

When I am doing testing, when I take the covers off to clean covers and wheels, it is easy to see the MPG difference on my trip MPG gauge.

Paul
Forum: Aerodynamics 05-13-2020, 09:58 PM
Replies: 141
Views: 30,289
Posted By TimRogers
What I should have said was that that the...

What I should have said was that that the Lockheed testing was incomplete and not reflective of real world situations. I think the coast down testing that our members do here is more relevant than...
Forum: Aerodynamics 04-28-2020, 10:53 PM
Replies: 150
Views: 19,707
Posted By JulianEdgar
My new way of measuring on-road drag

Note: It appears that this method is problematic on cars with electronic throttles, where throttle blade position can vary, even with a fixed accelerator pedal position being held.

Introduction...
Forum: Aerodynamics 04-28-2020, 04:10 AM
Replies: 276
Views: 43,052
Posted By JulianEdgar
I've now been asked what experts I consulted with...

I've now been asked what experts I consulted with when writing the book.

Firstly, Dick Barnard was my tech consultant at every stage of the book. Dick started his career as an undergraduate...
Forum: Aerodynamics 03-16-2020, 07:34 AM
Replies: 31
Views: 7,156
Posted By AdrianD
Data from the yearly ski trip, with airdam,...

Data from the yearly ski trip, with airdam, almost complete upper grille block.
Travelling speed 60mph.

Home to regular refuelling point (~500 miles) - 27.93 MPG (8.42L/100km) - lots of traffic...
Forum: EcoModding Central 01-09-2020, 02:59 PM
Replies: 20
Views: 3,351
Posted By EcoCivic
Update: !’m up to 10K miles so far and everything...

Update: !’m up to 10K miles so far and everything is still going well. The trans is still shifting nice and hard as it always did and the fluid still has a red color to it, it doesn’t smell burned or...
Forum: Aerodynamics 10-02-2019, 11:05 PM
Replies: 4,275
Views: 1,420,029
Posted By Frank Lee
In China?

In China?
Forum: Fossil Fuel Free 05-28-2019, 12:58 AM
Replies: 139
Views: 13,296
Posted By redpoint5
All I know is if something isn't working out well...

All I know is if something isn't working out well enough, you need to do something different.

Every once in a while I see a McDonalds employee that I wish I could hire, because they are destined...
Forum: Aerodynamics 05-17-2019, 03:36 PM
Replies: 88
Views: 13,079
Posted By Varn
I recall an earlier ecomodder attempt at...

I recall an earlier ecomodder attempt at Bonneville in 2012.
85 Jetta Non turbo diesel. He stopped here on the way out.
http://veloliner.com/vw/IMAG0014.JPG
Forum: Saving@Home 03-16-2019, 01:57 PM
Replies: 17
Views: 3,069
Posted By aerohead
3D-printed house for under $4,000 (US)

There's an Austin,Texas,USA company using a 3D printer to build houses for as little as under $4,000 (US).
CBS Evening News did a short piece on it the other night.I just GOOGLED it,and there's a...
Forum: Aerodynamics 03-07-2019, 01:08 AM
Replies: 88
Views: 13,079
Posted By redpoint5
It's no gremlin; it's perfectly predictable....

It's no gremlin; it's perfectly predictable. Forums always display photos in landscape (longest side horizontal). If you take a photo in portrait, the forum will display it in landscape. There's no...
Forum: Aerodynamics 03-04-2019, 03:21 AM
Replies: 88
Views: 13,079
Posted By slowmover
You’ve your reasons, but sub-60/mph on an...

You’ve your reasons, but sub-60/mph on an Interstate only means better traffic management. One DOESNT allow others to dictate driving.

If non-OD straight transmissions were a money-maker you’d...
Forum: Aerodynamics 02-06-2019, 11:12 AM
Replies: 88
Views: 13,079
Posted By aerohead
nice meetup with Gumby79

Gumby's been in the area and up to shenanigans for awhile,and was able to get over for a meet-up on one of his days off.
We got to spend a long day together,pouring over details of the Bonneville...
Forum: Aerodynamics 01-24-2019, 02:13 PM
Replies: 276
Views: 43,052
Posted By JulianEdgar
https://www.youtube.com/watch?v=aQpgTagQLsg

https://www.youtube.com/watch?v=aQpgTagQLsg
Forum: Aerodynamics 01-21-2019, 03:06 PM
Replies: 276
Views: 43,052
Posted By JulianEdgar
https://www.youtube.com/watch?v=lqwTEcIi0wc

https://www.youtube.com/watch?v=lqwTEcIi0wc
Forum: Aerodynamics 01-13-2019, 09:51 PM
Replies: 276
Views: 43,052
Posted By JulianEdgar
Why measure aero pressures: ...

Why measure aero pressures:

https://www.youtube.com/watch?v=hSqVmTyYJHU

Using a Magnehelic gauge to measure aero pressures (no more guessing or just using rules of thumb!):
...
Forum: Aerodynamics 11-09-2018, 02:13 PM
Replies: 12
Views: 3,140
Posted By SRTMiniMe
Moveable Front Splitter (and introduction post)

Hello all, Long-time member (since 2010) and 1st time posting. Sorry for the long read, feel free to skip to the end. I've lurked for quite a while and have finally set upon the task of front-cutting...
Forum: Motorcycles / Scooters 08-21-2018, 11:02 AM
Replies: 12
Views: 3,052
Posted By ColoradoChris
You sir are a genius. If I can find a set from...

You sir are a genius. If I can find a set from an old VW bug, those were designed to allow the seat to be removed just by sliding it off, thus making the box removable as well......

The intent,...
Forum: Aerodynamics 08-12-2018, 02:42 PM
Replies: 88
Views: 13,079
Posted By BamZipPow
Wink Google Play should have OpenOffice/Calc or...

Google Play should have OpenOffice/Calc or LibreOffice/Calc should work. You could always use the cloud based Google Docs spreadsheet. ;)
https://docs.google.com
Forum: The Lounge 08-01-2018, 03:13 AM
Replies: 8,747
Views: 758,319
Posted By RedDevil
We're going to get some good out of all this... ...

We're going to get some good out of all this...

http://dilbert.com/strip/2018-08-01
http://assets.amuniversal.com/27f9c56065bc013642be005056a9545d (http://dilbert.com/strip/2018-08-01)
Forum: The Lounge 07-28-2018, 07:06 PM
Replies: 8,747
Views: 758,319
Posted By oil pan 4
So what was the Obama administration doing to...

So what was the Obama administration doing to stop global warming?
As far as I can tell all they did was shut down some coal power plants early, confiscate a bunch of VWs, tried to stop fracking for...
Showing results 1 to 25 of 208
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