Quote:
Originally Posted by freebeard
I understand the use of a serrated trailing edge from the B-2 bomber and high-bypass turbo-fan engines; They sort of mimic bird's feathers. But wouldn't the serrated leading edge be problematic?
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I believe that for the lading edges,the tape acts as a turbulator,inducing more energy down into the boundary layer to help forestall separation.
Some wing/gear struts are not 'fine' enough to present the lowest drag and the tape is meant to help here.
Same for the blades of the prop.
Pima Air Museum has a formerly-classified aircraft from Vietnam service which could fly undetected at 100-feet AGL.I eagerly await it's renovation so I can see it's propeller.I suspect it's the lineal parent of the Q-tip prop and may have other 'tricks.'
It's anechoic!