<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On May 29, 2006, at 10:59 PM, Larry wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <DIV><FONT face="Arial" size="2">Here are two online calculators I use.</FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2">CG</FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2"><A href="http://www.palosrc.com/instructors/cg.htm">http://www.palosrc.com/instructors/cg.htm</A></FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2">MAC</FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2"><A href="http://www.palosrc.com/instructors/mac.htm">http://www.palosrc.com/instructors/mac.htm</A></FONT></DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV>Now that's funny! These are my equaltions, that were published about 25 years ago in Model Aviation. The later ones I posted yesterday make it easier for users to apply.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Ron Van Putte</DIV><DIV><BR><BLOCKQUOTE type="cite"> <BLOCKQUOTE style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title="natpenton@centurytel.net" href="mailto:natpenton@centurytel.net">Nat Penton</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title="nsrca-discussion@lists.nsrca.org" href="mailto:nsrca-discussion@lists.nsrca.org">NSRCA Mailing List</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, May 29, 2006 6:58 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> [NSRCA-discussion] CG</DIV> <DIV><BR></DIV> <DIV><FONT face="Arial" size="2">Ron the parentheses do help. Larry the ac is a function of the planform, only, and does include the area occupied by the fuselage.</FONT></DIV> <DIV><FONT face="Arial" size="2"></FONT> </DIV> <DIV><FONT face="Arial" size="2">Can someone who is computer literate show a sample of the graphic method to determine a tapered wing ac ?</FONT></DIV> <DIV><FONT face="Arial" size="2"> </FONT></DIV><DIV> <BR class="khtml-block-placeholder"></DIV><HR><DIV><BR class="khtml-block-placeholder"></DIV>No virus found in this outgoing message.<BR>Checked by AVG Free Edition.<BR>Version: 7.1.394 / Virus Database: 268.7.0/346 - Release Date: 5/23/2006<BR><DIV> <BR class="khtml-block-placeholder"></DIV><HR><DIV><BR class="khtml-block-placeholder"></DIV>_______________________________________________<BR>NSRCA-discussion mailing list<BR><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A><BR>http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</BLOCKQUOTE><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">NSRCA-discussion mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:NSRCA-discussion@lists.nsrca.org">NSRCA-discussion@lists.nsrca.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://lists.nsrca.org/mailman/listinfo/nsrca-discussion">http://lists.nsrca.org/mailman/listinfo/nsrca-discussion</A></DIV> </BLOCKQUOTE></DIV><BR></BODY></HTML>