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Old 08-30-2012, 11:18 AM   #1165
g容g
Canadian living in exile
 
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Joined: Jul 2004
Location: 41.655984,-71.302657
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Quote:
Originally Posted by wannaklr View Post
That McLaren outer board is just dead sexy!

Always wondered why the leading edges were so blunt. Figured a knife edge would have less drag.

I am not an aerodynamicist, and would love a simple answer.
probably structural (easier to make strong) and also attached flow.
the leading edge of an airplane wing isn't a knife edge either.

but... dunno

from a glider builders forum.....
Quote:
You dont want to have a sharp leading edge, because then the wing will want to chop through the air, and not fly smoothly. When the leading edge is pointed it has a greater tendency to want to hunt its way through the air. what i mean by this is that it will be flying one direction, and then a change in the air will cause it to move in a different direction very rapidly, and not smoothly like if it were round.
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