Vortex Generators by Joe Spencer

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=100 BGCOLOR="#CCCCFF" TEXT="#080000" bgproperties="fixed" background="05b00640egdysm.jpg"> <div> <FONT SIZE="2" COLOR="#000066" FACE="Arial" ><B>Steve Kiblinger, .. Builder of a Milholland Better Half 2 cylinder VW and Legal Eagle Ultralight Airplane</B></FONT><FONT SIZE="5" COLOR="#000099" FACE="Arial" ><B> </B></FONT><B>    |    </B><A HREF="index.htm" TARGET="_top" TITLE="Steve Kiblinger, .. Builder of a Milholl"><U><B>Home</B></U></A><B> </B><B> </B><A HREF="id63.htm" TARGET="_top" TITLE="Builder(s)Gallery"><U><B>Builder(s)Gallery</B></U></A><B>  </B><A HREF="id76.htm" TARGET="_top" TITLE="Gallery4"><U><B>Gallery#4</B></U></A></div> <div>                                                   </div> <div> </div> </td> </tr><tr> <td valign="top" width=75 BGCOLOR="#0000BF" TEXT="#F7F7FF"> <bR> </td> <td valign="top" height=380 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <I>Vortex Generators by Joe Spencer</I></div> <div> <B>Editors Note: </B><FONT SIZE="3" COLOR="#FF0000" FACE="Arial" ><B>Our h</B><I><B>ome built airplanes come out differently!...</B></I></FONT><B> LEU #33 has aft CG in the 17" range and stalls in the low 20's indicated with no falloff to one wing or the other... Joe's cut case 1/2 VW with motor mount brought in the CG near the 11" mark suggested in the Milholland plans... The plane does not have the plans wing tip end plates as ours does... Joe's plane has always stalled around 32 mph indicated and the wing has been inclined to drop one way or the other if not picked up by the rudder at stall... Joe built an AOA indicator to study the stall characteristics... He used Vortex Generator construction data from a Kolb </B><A HREF="http://www.thirdshift.com/jack/firefly/firefly.html" TARGET="_top" TITLE="http://www.thirdshift.com/jack/firefly/f"><U><B>Firefly website found elsewhere on the Internet</B></U></A><B> to build a set for LEU 143... His  building plan and flying report follows: </B></div> <bR> <DIV ALIGN="LEFT"></DIV> <div> <B><IMG SRC="3ec153b0.jpg" border=0 width="789" height="1083" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <bR> <div> <B><IMG SRC="3f7f1570.jpg" border=0 width="753" height="1111" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <div> <B><IMG SRC="3ee436d0.png" border=0 width="579" height="621" ALT="Microsoft Word Document" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <div> <B>AOA Indicator</B></div> <bR> <div> <B><IMG SRC="3eba71d0.jpg" border=0 width="423" height="285" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"><IMG SRC="3f684bd0.jpg" border=0 width="388" height="189" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <div> <B><IMG SRC="3f0ad1d0.jpg" border=0 width="429" height="285" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"><IMG SRC="3f1a81d0.jpg" border=0 width="424" height="285" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <bR> <div> <B>Video Mount</B></div> <bR> <div> <B><IMG SRC="3f4aa290.jpg" border=0 width="426" height="297" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"><IMG SRC="41921a70.jpg" border=0 width="289" height="423" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></B></div> <bR> <bR> <bR> <bR> </td> </tr></table></body>