At the 4:40 mark video coverage of a Porsche 911 turbo whale tail in wind tunnel.
Porsche Top 5 – Bonus episode: Your most wanted models
https://www.youtube.com/watch?time_c...&v=c0VsZzGmDI8
One this one, starts at the 2:00 mark, and lasts just a minute.
Porsche Top 5 – Weissach’s toughest functionality tests