Hi

"William R. Watt" skrev i en meddelelse
...
"P.C." ) writes:

And why that ------ turbulence is acturly just what can eliminate drag ,
make the wet surface act different , but ofcaurse you need the feel
about
how a hull act or rather the spots where it is a good idear to with
turbulence.

a kayak with a bulb under the bow, now there's a wacky thought


Well if you ever looked down at the water near the hull, with just a row
boat, you be surprised that some of the water stay in the same place even
the boat move with good speed ; --------- it's like some places on the hull
surface ,the same water circulate slowly , leaving the "wet surface" being
one inbetween two different turbulent small currents.
Or looking behind a boat while moving, you also se the same water and
bobbles staying the same distance from the end of the boat, even other water
just inches away ,just rush past. --------- Also formig cirtain parts of the
hull, can make the water rush as out a tunnel from parts of the hull, where
the drag will vaccum other water in slower but in bigger quantities ; only
thing that will show is a model.

P.C.


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