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Search: Posts Made By: mjboks
Forum: Aerodynamics 03-24-2023, 08:21 AM
Replies: 22
Views: 1,859
Posted By mjboks
Thanks for showing. My original concept is not...

Thanks for showing. My original concept is not far off from the construction method.
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I determned that I really want it to open up, hatchback style. I am finallizing the 4 bar...
Forum: Aerodynamics 03-20-2023, 03:04 PM
Replies: 22
Views: 1,859
Posted By mjboks
This is the area you are referring to? 33586 ...

This is the area you are referring to?
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It appears the air pressure is lower on the roof vs the side since the upper tufts are getting pulled up and over the edge. This edge will be...
Forum: Aerodynamics 03-17-2023, 07:35 AM
Replies: 22
Views: 1,859
Posted By mjboks
I am planning on fiberglass for version 2. Also...

I am planning on fiberglass for version 2. Also designing in a "hatch back" style that can open. It also has to be easier to put on and remove as I use the back of my truck frequently.
Forum: Aerodynamics 03-16-2023, 02:03 PM
Replies: 22
Views: 1,859
Posted By mjboks
Truck aero cap

I have been wanted to get an aero cap for my truck for a while now. I used the ecomodder tool to get an idea of what it should look like.

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.Here's the proof of concept from xps foam, glue...
Forum: Success Stories 03-23-2010, 08:19 AM
Replies: 28
Views: 18,830
Posted By mjboks
Thanks for the pictures. So what kind of...

Thanks for the pictures.

So what kind of fuel improvements have you seen?
Forum: Success Stories 03-10-2010, 03:20 PM
Replies: 28
Views: 18,830
Posted By mjboks
This thread if fine if you don't have another...

This thread if fine if you don't have another build thread.
Forum: Aerodynamics 02-01-2010, 02:43 PM
Replies: 71
Views: 18,343
Posted By mjboks
Nice work on the 2/3 tonneau cover. A 2/3 cover...

Nice work on the 2/3 tonneau cover. A 2/3 cover is not much better than a full tonneau. Took this from Aerohead's photo album:...
Forum: Aerodynamics 01-24-2010, 12:44 PM
Replies: 88
Views: 57,184
Posted By mjboks
Yup, the template is adjusted from the ground. ...

Yup, the template is adjusted from the ground. Do a "template" search on this site and you'll find a lot of info about aerodynamics. There have been a lot of research done on this.
Forum: Aerodynamics 01-08-2010, 08:17 AM
Replies: 214
Views: 110,058
Posted By mjboks
Quick trig: 12 degrees over 64" is 13.3 inch drop...

Quick trig: 12 degrees over 64" is 13.3 inch drop leaving a 7.7 inch up from the tailgate. Even a streamlined arc will not get you to the top of the tailgate. You're bed is about the same size as...
Forum: General Efficiency Discussion 12-15-2009, 12:01 PM
Replies: 12
Views: 5,760
Posted By mjboks
I was on Fords website looking at the new 2011...

I was on Fords website looking at the new 2011 fiesta. They are claiming 30mpg city and 40mpg highway with *pending EPA certification. It appears that this is with the SFE option otherwise it's...
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