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Is The Gmc More Aerodynamic?

SLESierra

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Faxcion Enthusiast

Faxcion

Posted
Posted

Sorry i didnt go to the link cause im lazy but, in answering your question. In my opinion i think GMC is more Aerodynamic than Chevy, just because of its body design being more "bubbly" and fluid unlike chevy's box look. There's my 2 cents

Bryan410 Enthusiast

Bryan410

Posted
Posted

Sharp square edges are actually more aerodynamic than round curvy ones. But thats in extreme cases. I wouldnt say at highway speeds there is much difference between the two.

fbachman Senior Enthusiast

fbachman

Posted
Posted
Sharp square edges are actually more aerodynamic than round curvy ones. But thats in extreme cases. I wouldnt say at highway speeds there is much difference between the two.

 

They are ???? --- maybe I'm missing the context of your thought here, but, I don't think so....

 

I guess (commercial) aircraft would then be very edgy designs with many sharp ridges.

 

The modern military aircraft that have many facets and sharp edges have them for reasons FAR REMOVED from aero....

 

In the big scope of things, my guess would be that the drag coefficient between the GMC and Chevy would be different only in the decimal places at highway speeds. It's possible one has less drag, but possibly, therefore, more frontal area. Impossible to say without wind tunnel data and good, accurate projected areas of both.

longhorn_giant Enthusiast

longhorn_giant

Posted
Posted

Smoother is more areodynamic. The 'sharp' edges you're used to seeing on some military aircraft are for stealth reasons. The smaller surface area you have flying into the wind, the more aerodynamic you are. For example, a B2 bomber is much more aerodynamic than a F117 stealth fighter.

 

For the difference between the 2 trucks I'd say to look at the front ends. I couldn't tell you which would be more aerodynamic, but at highway speeds I don't think it makes much difference.

Bryan410 Enthusiast

Bryan410

Posted
Posted
Sharp square edges are actually more aerodynamic than round curvy ones. But thats in extreme cases. I wouldnt say at highway speeds there is much difference between the two.

 

They are ???? --- maybe I'm missing the context of your thought here, but, I don't think so....

 

I guess (commercial) aircraft would then be very edgy designs with many sharp ridges.

 

The modern military aircraft that have many facets and sharp edges have them for reasons FAR REMOVED from aero....

 

In the big scope of things, my guess would be that the drag coefficient between the GMC and Chevy would be different only in the decimal places at highway speeds. It's possible one has less drag, but possibly, therefore, more frontal area. Impossible to say without wind tunnel data and good, accurate projected areas of both.

 

 

look at Ferrari and other high performance or race cars. Besides Nascar, most race cars are squared off (where Nascar tries to keep the 'Stock-Car' look), causes less turbulence or something. When they got the technology to actually measure their drag they made the change from the rounder shapes, like the formula cars in the 20s-30s ect. to the square edges. I got a few hydrodynamic courses but no areo-dynamic ones, whatever they would be called. I dont know any specifics, but from way too many hours of discovery channel ive learnt this. perhaps the block-ey shapes only start to be beneficial at higher speeds. anyway, i highly doubt there's much difference in the aerodynamics between the chevy and GMC

gvbhunt Enthusiast

gvbhunt

Posted
Posted

Pretty sure that both trucks have the same frontal area so their COD is probably almost identical. Assuming that they both have the same stance.

pm26 Senior Enthusiast

pm26

Posted
Posted
Pretty sure that both trucks have the same frontal area so their COD is probably almost identical. Assuming that they both have the same stance.

 

They both have the aerodynamics of a giant shoe box. :drool:

fbachman Senior Enthusiast

fbachman

Posted
Posted
Sharp square edges are actually more aerodynamic than round curvy ones. But thats in extreme cases. I wouldnt say at highway speeds there is much difference between the two.

 

They are ???? --- maybe I'm missing the context of your thought here, but, I don't think so....

 

I guess (commercial) aircraft would then be very edgy designs with many sharp ridges.

 

The modern military aircraft that have many facets and sharp edges have them for reasons FAR REMOVED from aero....

 

In the big scope of things, my guess would be that the drag coefficient between the GMC and Chevy would be different only in the decimal places at highway speeds. It's possible one has less drag, but possibly, therefore, more frontal area. Impossible to say without wind tunnel data and good, accurate projected areas of both.

 

 

look at Ferrari and other high performance or race cars. Besides Nascar, most race cars are squared off (where Nascar tries to keep the 'Stock-Car' look), causes less turbulence or something. When they got the technology to actually measure their drag they made the change from the rounder shapes, like the formula cars in the 20s-30s ect. to the square edges. I got a few hydrodynamic courses but no areo-dynamic ones, whatever they would be called. I dont know any specifics, but from way too many hours of discovery channel ive learnt this. perhaps the block-ey shapes only start to be beneficial at higher speeds. anyway, i highly doubt there's much difference in the aerodynamics between the chevy and GMC

 

 

Never meant to turn this into an aero lecture, but there are aerodynamic forces that cause resistance to the vehicle moving through the air (which need to be minimized), THEN there is the issue of leveraging the airflow to exert forces beneficially to keep the tires planted where you want them (in the case of race cars). It is a trade off. The sharp edges allow for preferential force exertion in many cases --- especially at high speeds.

 

Getting a body to move air, and then the question of how best to "dispose" of it when the body "ends" start very interesting discussions. Not an easy "black and white" issue in the least.

Zembonez Senior Enthusiast

Zembonez

Posted
Posted

HAHAHAH!

 

Aerodynamics chat on a TRUCK site.

 

HAHAHAHAHAHAHA!

 

These are rolling BRICKS gentlemen... with giant empty topless boxes out back.

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