Jim,
What is your occupation? Lots of people don't understand boundry
layers and Reynolds numbers. Bobby
> .This is absolutely nuts, comparing the flight of a golf ball to an
> airplane is like comparing the weight of a bowling ball to a ballon. The
> airplane with a laminar flow airfoil on the wing is the lowest drag you
> can get and is the fastests, but to get laminar flow the surface must be
> very smooth and free of waves even fly specks will trip the flow at high
> Reynolds numbers above 15 million and bugs also will. the Reynolds
> numbers on the KR-2 and most general aviation aircraft is in the range
> from 2 million to about 4 million which is the real key to this anology
> of the golf ball and the KR-2 the Reynolds number for the golf ball is
> about 100 and the reason the drag is lower for the golf ball with the
> dents in it is the flow becoms turbulent and reduces the seperation drag
> because below a Reynolds number of 400,000 the drag of a laminar flow
> airfoil is higher than turbulent flow and so it is with the golf ball,
> the Reynolds number is much less than 400,000. ITS THE REYNOLDS NUMBER.
>
> Really
> Jim
>
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