« Reply #3 on: Apr 03, 2024, 3:31 pm »
My understanding is the undulations (for noise attenuations) are on trailing edges (owls wings) etc but on leading edges as per whales for allowing high angles of attack which are then less likely to stall.
The FACT these are found in nature developed over millions of years is most humbling IMHO.
Flowers giving off UV reliant colours for various birds and insects to exclusively see is another wonder.

Memories are BETTER than Dreams---"Capn" FLINT

« Reply #2 on: Apr 02, 2024, 5:18 pm »
Just watched this, was I seeing things or were the undulations on the leading edge of some of the wings and blades? I had it in my head this was a trailing edge thing.
National Sarcasm Society - like we need your support

« Reply #1 on: Mar 31, 2024, 1:47 pm »
Interesting developments. Keith Oakleys rudders on his quiet hovercraft displayed similar irregular
Memories are BETTER than Dreams---"Capn" FLINT