' supersonic'
From Wolf-Heinrich Hucho:
Blue Flame:
1) Cd 0.20 subsonic
2) Cd 0.60 supersonic
NOTE: From reporting of the original THRUST supersonic LSR car, the supersonic Cd varies by about 30%, depending on whether or not the exhaust thrust cone is present or not. Which jives well with what NASA found on lifting body reentry vehicles, Space Shuttle, and the X-15, which were around Cd 0.65.
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Photobucket album: http://s1271.photobucket.com/albums/jj622/aerohead2/
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