Quote:
Originally Posted by freebeard
I just notice the thread title again. "'Whale Tubercles" cut drag 32% on wings."
That's an extraordinary claim. ~1/3rd less drag? Is that overall or the localized feature? At what angle of attack? What happens to lift?
Is it enquiring minds or inquiring minds?
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What I wonder is what the conditions are here. E.g. the thickness of a wing is often at least in part a function of its strength. By adding these you're necessarily increasing frontal area - which could be put to use. Following, to see what else is dug up on the topic.