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Old March 15th 06, 08:41 PM posted to sci.space.tech
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Default Lowering Air Resistance

It may be useful in some aircraft designs, but laminar flow airfoils
have always been rather vulnerable to minor surface dirt and other
factors that might alter airflow. I have doubts about this helping in a
scramjet; supersonic airfoils are likely to be well beyond the laminar
flow regeim.