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Old 12-02-2020, 11:13 AM   #2 (permalink)
COcyclist
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Thanks for posting this. Watching the video reminded me of the Dave Heinrich diagram of the New Beetle I first saw in an old AutoSpeed article and the tuft test photos in your book on page 65. It shows attached flow all the way down the back hatch and a terrible drag coefficient of 0.39 for the New Beetle.
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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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