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Old 12-29-2020, 04:37 PM   #5 (permalink)
aerohead
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experts

Quote:
Originally Posted by JulianEdgar View Post
Well unfortunately that isn't what the experts say - including one of your favorite references, Hoerner (section 3-19).

Also refer to https://www.researchgate.net/publica...r_Modification - a paper that specifically addresses the connection between boundary layer thickness and drag.

Again, what you say simply isn't supported by the experts.
1) You have Hoerner's book?
2) You understand that jet pumping action has to do with 'basic, simple, bullets and artillery projectiles, in free-flight? Not an automotive bluff body in ground effect?
3) A streamlined basic body of Cd 0.09 will have the thickest TBL, yet the lowest drag.
4) Can you clarify your remark?
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