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Old 01-17-2012, 05:49 PM   #37 (permalink)
COcyclist
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Quote:
Originally Posted by 3-Wheeler View Post
I wouldn't mind seeing a picture or video of the tuft test in that situation.

It's hard for me to picture why the tufts would lie flat on a surface that has detached air running across it due to the extreme angle of decline.
Jim, I don't recall the EM thread title but it referenced this Autospeed tuft test and diagram:

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https://ecomodder.com/forum/showthre...tml#post621801


Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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