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Old 04-01-2012, 12:28 AM   #1 (permalink)
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Tuft testing rear window of early model Beetle

I ran across this guys blog, complete with video of the test.

Wool Tuft test


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Old 04-01-2012, 01:01 AM   #2 (permalink)
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I disagree with his analysis; it's totally bass-ackwards to want separation and a rolling vortice with spoiler at the top of the back glass and then think attached flow down the back glass is bad.
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Old 04-01-2012, 02:11 AM   #3 (permalink)
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Despite Porsche's best efforts to mimic Jaray and Ledwinka's work, the Beetle is a lost cause in this department.

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