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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Karl, something I use to do was cut a scaled down top view of a wing panel out of card stock, like the back of a yellow tablet.<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Then balance it - root to tip - this span wise balance point is very near the 'Aerodynamic Cord', basically the center of area. Set the CG to about 30% of the AC. <o:p></o:p></span></font></p><p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This method takes into consideration the wing sweep and taper. Extending this point to the root will give you the scale CG point.<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Jim<o:p></o:p></span></font></p><p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></font></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";font-weight:bold'>From:</span></font></b><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> NSRCA-dist8 [mailto:nsrca-dist8-bounces@lists.nsrca.org] <b><span style='font-weight:bold'>On Behalf Of </span></b>RICHARD BERGERON via NSRCA-dist8<br><b><span style='font-weight:bold'>Sent:</span></b> Sunday, August 23, 2020 4:50 PM<br><b><span style='font-weight:bold'>To:</span></b> Karl Watts; AK, ID, MT, OR, WA, WY<br><b><span style='font-weight:bold'>Subject:</span></b> Re: [NSRCA-dist8] FW: Pattern plane<o:p></o:p></span></font></p></div></div><p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'>Hi Karl, <o:p></o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'>The control throws at 8 degrees and 10 degrees are a good start for the aileron and elevator. The CG at 1/3rd back from the leading edge at the fuse is way to far forward for a start. That would make it too tail heavy which would be a challenge. Try 45% back from the leading edge and it might need to go more than that after some trim flights. Some of the old pattern planes ended up around 50% to 55% from the leading edge. <o:p></o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'>Good to hear your flying something. Good luck. <o:p></o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'>Rick Bergeron <o:p></o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal><font size=3 color="#333333" face=Helvetica><span style='font-size:12.0pt;font-family:"Helvetica","sans-serif";color:#333333'>RCA-dist8 <nsrca-dist8@lists.nsrca.org> wrote: <o:p></o:p></span></font></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I friend gave me this nice classic pattern plane. In really good shape, composite fuse, foam core wings, OS FS-120 surpass that still runs strong. Anyone familiar with it? Need to know where to set the CG. 1/3<sup>rd</sup> back from the leading edge at the fuse? Good starting point for control throws, 8 degrees on aileron and 10 degrees on elevator?</span></font><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span></font><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Egad, the smoke from the forest fires here is bad today! Went out to the field and just turned around to come home, visibility low.</span></font><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span></font><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Karl</span></font><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span></font><o:p></o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><strong><b><font size=2 face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></font></b></strong><font size=2 face=Calibri><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Karl Watts <Karl.Watts@saintalphonsus.org> <br><strong><b><font face=Calibri><span style='font-family:"Calibri","sans-serif"'>Sent:</span></font></b></strong> Saturday, August 22, 2020 1:32 PM<br><strong><b><font face=Calibri><span style='font-family:"Calibri","sans-serif"'>To:</span></font></b></strong> Karl Watts <Karl.Watts@saintalphonsus.org><br><strong><b><font face=Calibri><span style='font-family:"Calibri","sans-serif"'>Subject:</span></font></b></strong> Pattern plane</span></font><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p></div><div id=ms-outlook-mobile-signature><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><font size=3 face="Times New Roman"><span style='font-size:12.0pt'>Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a><o:p></o:p></span></font></p></div></div></div></div><p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:12.0pt'><br>Confidentiality Notice: <br>This e-mail, including any attachments is the property of Trinity Health and is intended for the sole use of the intended recipient(s). It may contain information that is privileged and confidential. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, please delete this message, and reply to the sender regarding the error in a separate email. <br>_______________________________________________ <br>NSRCA-dist8 mailing list <br>NSRCA-dist8@lists.nsrca.org <br>http://lists.nsrca.org/mailman/listinfo/nsrca-dist8 <o:p></o:p></span></font></p></blockquote></div></body></html>