I don't know if he said this on the web site but he mentions that waves are worse than surface fineness. I remember a part of the tape where he was measuring and plotting sagitta along a line on the airplane. He used 3 points about an inch apart. He then graphed it and compared it to other commercial aircraft.
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Originally Posted by 3-Wheeler
Bob,
I was thinking of you when I went to the AR-5 website and was reading about just how *smooth* the aircraft was shaped.
Flashed back to our earlier discussion of how laminar flow can be easily *tripped* into turbulence by any roughness in the surface finish.
Jim.
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