Thread: Drag coefficient

Here are some Drag Coefficient (CD) numbers for our cars. Measurements are in Inches.

P10
Cd: 0.30
Height: 54.7
Width: 66.7
Frontal Area (ft^2): 21.28
CdA: 6.38

P11
Cd: 0.30
Height: 66.7
Width: 55.1
Frontal Area (ft^2): 21.44
CdA: 6.43

NX2000
Cd: 0.32
Height: 51.8
Width: 66.1
Frontal Area (ft^2): 20
CdA: 6.39

B13
Cd: 0.35 (0.42 - According to this site)
Height: 53.0
Width: 65.6
Frontal Area (ft^2): 19.6
CdA: 6.84

B14
Cd: 0.33
Height: 54.5
Width: 66.6
Frontal Area (ft^2): 20.4
CdA: 6.74

B15
Cd: 0.33
Height: 55.5
Width: 67.3
Frontal Area (ft^2): 21.0
CdA: 6.93

Formulas:
Frontal Area = Height * Width * .84
CdA = Cd * Frontal Area

Source - a good list of cars and frontal areas.

any for the NX ???

According to SE-R.net it's .32. Not sure where that info came from.

1993 NX2000 Features & Specs.

I'm finding it hard to believe the P10 is slicker than an NX or B14...

anything for a b12?

Looks like .32

I found another site that says SE-R is .35, this sounds more reasonable.



P10 and P11. It's hard to believe but it's true. This is how the P11 can get away with weighing almost 3k lbs and still getting the same gas mileage as all other SR20 cars.



No sorry

P10's are aerodynamic as f***. The p10 eGT has a drag coefficient of .29 also. The autech p10 should be there if not a little better because of the oem canard things coming off the lip. Like i posted on g20.net I got 35 mpg coming back from Cali with VE on stock ecu + autech aero kit.

I was wondering why the B13 looked so high but it looks like maybe the info in that article was incorrect.

Interesting, but now i feel second class for owning a B14

Now where's my clear packing tape; damn 2 piece headlights :P