REFLECTOR:Lower Winglets

Al Gietzen reflector@tvbf.org
Tue, 27 Jan 2004 21:59:55 -0800


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One notable result of not having the lower winglet is increased speed, 

which doesn't quite jibe with the above discourse?

 

Scott 

 

Oh, I think it could.  Airfoils producing a force cause drag.  The
winglets cause drag, but they produce a force we need for handling and
stability.  I'd expect the Velocity lower winglets to cause drag at
cruise without much in the way of offsetting benefit.  Apparently there
is some handling benefit at lower speeds.

 

Do you have any with/without data about the increased cruise speed?

 

Al


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<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>&nbsp;</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>One
notable result of not having the lower winglet is increased speed, =
</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>which
doesn't quite jibe with the above discourse?</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>&nbsp;</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>Scott
</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DNimrod><span =
style=3D'font-size:11.0pt'>&nbsp;</span></font></p>

<p class=3DMsoPlainText><font size=3D2 face=3DVerdana><span =
style=3D'font-size:11.0pt;
font-family:Verdana'>Oh, I think it could.&nbsp; </span></font><font
face=3DVerdana><span lang=3DFR style=3D'font-family:Verdana'>Airfoils =
producing a
force cause drag.&nbsp; </span></font><font face=3DVerdana><span
style=3D'font-family:Verdana'>The winglets cause drag, but they produce =
a force
we need for handling and stability. &nbsp;I&#8217;d expect the Velocity =
lower
winglets to cause drag at cruise without much in the way of offsetting =
benefit.
&nbsp;Apparently there is some handling benefit at lower =
speeds.</span></font></p>

<p class=3DMsoPlainText><font size=3D2 color=3Dblack =
face=3DVerdana><span
style=3D'font-size:11.0pt;font-family:Verdana;color:black'>&nbsp;</span><=
/font></p>

<p class=3DMsoPlainText><font size=3D2 color=3Dblack =
face=3DVerdana><span
style=3D'font-size:11.0pt;font-family:Verdana;color:black'>Do you have =
any with/without
data about the increased cruise speed?</span></font></p>

<p class=3DMsoPlainText><font size=3D2 color=3Dblack =
face=3DVerdana><span
style=3D'font-size:11.0pt;font-family:Verdana;color:black'>&nbsp;</span><=
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<p class=3DMsoPlainText><font size=3D2 color=3Dblack =
face=3DVerdana><span
style=3D'font-size:11.0pt;font-family:Verdana;color:black'>Al</span></fon=
t></p>

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