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<DIV>In a message dated 4/14/2004 6:08:15 PM Central Daylight Time, jbudd@QNET.COM writes:</DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><FONT face=Arial>>Isn't the definition of a stalled wing just that it doesn't have <BR>>laminar flow? That is entirely possible in a downline with sharp <BR>>elevator input (think less extreme version of a TOC plane's <BR>>parachute or wall).<BR><BR>I think you mean separated flow (vs attached flow). When the flow <BR>separates from the upper airfoil surface the pressure distribution <BR>over the top wing surface breaks down resulting in a loss of lift. <BR>If you then reduce the angle of attack the flow will (generally) <BR>reattach. I say generally because at lower Reynolds Numbers the flow <BR>may not reattach right away.<BR><BR>Laminar (and turbulent) flow have to do with the boundary layer <BR>gradient on a surface exposed to a flow field. It's almost <BR>impossible to have laminar flow on a model operating in the Reynold's <BR>Number ranges we do, the flow is pretty much always turbulent, all <BR>the time.<BR><BR>Jerry</FONT></BLOCKQUOTE></DIV>
<DIV>Jerry, I just love it when you talk like that. You silver tongued devil</DIV>
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