/sci/ - Science & Math » Thread #12745917

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Anonymous Tue 23 Feb 16:05:16 2021 No.12745917 View Reply Original Report

Quoted By:

Aero question:
how big of a difference does this change in angle make to drag?? its for an rv design, max speed of 70 mph. 20%?

Anonymous

Anonymous Tue 23 Feb 2021 16:06:09 No.12745919 Report

Quoted By: >>12746778

>mph
kys

Anonymous

Anonymous Tue 23 Feb 2021 16:34:39 No.12746034 Report

Quoted By: >>12746778

If it doesn't result in a increase in the frontal area then very little. The vast majority comes down to changing the shape of the front of the vehicle to reduce your Cd and frontal area and then changing the shape of the rear to reduce losses from the wake.

Anonymous

Anonymous Tue 23 Feb 2021 20:30:37 No.12746778 Report

Quoted By:

>>12745919
Sorry your country isnt big enough to do 70mph for hours at a time.

>>12746034
Thats what im asking, if there is a substantial change in cd. My intuition tells me no, but I'm only sort of an engineer.

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