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Forum: Aerodynamics

04-19-2015, 08:12 PM

Replies: 45

Big Van airdam/side-skirt design suggestions

Views: 15,799

Posted By oldtamiyaphile

Here's and image you might find interesting. ...

Here's and image you might find interesting.

The naked van scores 0.44Cd

The small pop top increases that to 0.45

The large pop top increases that to 0.51 :eek:

The big high roof reduces...

Forum: Aerodynamics

08-09-2014, 11:56 PM

Replies: 70

Radiator hood vent?? Aero, cooling, WAI, all in one??

Views: 57,823

Posted By gone-ot

If you have enough heat differential, the answer...

If you have enough heat differential, the answer is "yes," otherwise it's "no."

This is what the P51D Mustang combined oil/air-intercooler assembly really looked like:
...

Forum: Aerodynamics

08-09-2014, 01:11 PM

Replies: 70

Radiator hood vent?? Aero, cooling, WAI, all in one??

Views: 57,823

Posted By freebeard

I would paraphrase your question as 'do best...

I would paraphrase your question as 'do best practices in the race car field apply to ecomodding?' Close enough?

Your question could use some more context (like you pic #1). Ecomodding extends...

Forum: Aerodynamics

08-09-2014, 10:46 AM

Replies: 70

Radiator hood vent?? Aero, cooling, WAI, all in one??

Views: 57,823

Posted By chillsworld

Radiator hood vent?? Aero, cooling, WAI, all in one??

Off and on lurker as I research my crazy ideas... I hope this is the best section for this, if not hopefully an admin or mod can move it to the appropriate section.

In many high end vehicles you...

Forum: Aerodynamics

08-26-2011, 03:40 PM

Replies: 30

Cars compared in wind tunnel

Views: 31,333

Posted By gone-ot

...I would assume the "text" was from a article...

...I would assume the "text" was from a article that has since been moved into archives.

Forum: Aerodynamics

07-16-2011, 04:40 PM

Replies: 14

Trends in bus aerodynamics

Views: 9,337

Posted By skyking

Thanks! My design has 5'9" headroom at the...

Thanks! My design has 5'9" headroom at the outside corners with the top lowered, and an 18" screw jack lift for the whole trailer roof. That makes for some nice headroom but keeps the highest point...

Forum: Aerodynamics

02-10-2011, 02:38 PM

Replies: 19

Lower Cd, but larger wake

Views: 3,192

Posted By aerohead

rounded/straight

jakobnev,your's is a good question and also one of the most difficult to answer,so I'm going to let Dr.Hucho explain it as he did in his SAE Paper from 1976 which involved his work at Volkswagen...

Forum: EcoModding Central

09-25-2009, 11:06 PM

Replies: 44

Cold Air Intake, Headers, and Exhaust

Views: 17,802

Posted By Christ

4 stroke engines don't need back pressure to make...

4 stroke engines don't need back pressure to make torque, that part is a myth. It comes from the fact that people notice that by using smaller diameter pipe, you can increase low-RPM torque.

The...

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