Air dam or no dam - and height?

[freebeard]

Tell me about it. Gas stations are the worst (looking at you, Kelso WA). Here's an Italian car leaving my favorite gas station in Cedar Flat, OR. — flat asphalt right up to the pumps. Just dodge that 4" high manhole cover.

(The light plane fuselage in the left rear belongs to a guy that used to own a KC-97, and who wants to drop it on a car chassis

Morelli used a similar strategy on his 'banana car', both laterally and longitudinally.

[morningglory]

Isn't a good rule of thumb for airdams to have them the same depth as the lowest part of the car's underneath?

[freebeard]

For the most part. As an example, my car has a tow hook that is 1.5" lower than any other part.

[kach22i]

I did a quick search for a similar project and found this for reference.

HOW TO:
Fit a C43 AMG front bumper skin to a W202
HOWTO: Fit a C43 AMG front bumper & fogs W202 - MBWorld.org Forums





I have no idea why the size difference in that second to last photo.

The caption reads:

For those who are new to W202s, this is a good shot showning the differences in the standard facelift bumper agaist a C43 AMG bumper.

I find it interesting that the stock bumper/spoiler has splitter chimes on it, but the AMG does not, and may act as wheel spats at the far ends thereby allowing more air flow under the vehicle body at the middle.

I suspect AMG enhances the already impressive stock partial belly pan so that the extra flow is managed somehow.

I suspect the AMG bumper/spoiler is deeper and lower than the stock one.

I have no data on the AMG verses stock Cd or CdA, just looking a pictures for reference.

[aerohead]

Originally Posted by morningglory

Isn't a good rule of thumb for airdams to have them the same depth as the lowest part of the car's underneath?

Hucho cautioned us not to add frontal area.But in published literature we can find 'exceptions to the rule',even with the 1974 Crisis Fighter Pinto,as MetroMPG reminds us.

[freebeard]

This depends on the car and to the interests of customers.

Welcome to Ecomodder. I visited your country once.