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Forum: Aerodynamics

09-19-2007, 09:40 AM

Replies: 17

Puzzled about MPG% vs. .Cd

Views: 3,100

Posted By Sludgy

Actually, I don't mind being called out. If...

Actually, I don't mind being called out.

If you look at engine maps, there is usually a sweet spot where brake specific fuel consumption is lowest. It's usually between 2500 and 3500 rpm in...

Forum: Aerodynamics

09-18-2007, 05:15 AM

Replies: 17

Puzzled about MPG% vs. .Cd

Views: 3,100

Posted By Sludgy

Even if you halve a car's rolling resistance and...

Even if you halve a car's rolling resistance and halve its drag, fuel consumption will not go down by half with a gas engine. The reason is that engine efficiency goes down as load is reduced.

If...

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