Do you have Profili? If so, you can use the pressure distribution to figure out where best to place the hingeline. Read the article below where it mentions the kink or knuckle in the pressure distribution:
http://search.netscape.com/ns/boomframe.jsp?query=fletcher+f3b+design&page=1&offset=0&result_url=redir%3Fsrc%3Dwebsearch%26amp%3BrequestId%3Dc1a4cb4c5e9e8442%26amp%3BclickedItemRank%3D1%26amp%3BuserQuery%3Dfletcher%2Bf3b%2Bdesign%26amp%3BclickedItemURN%3Dhttp%253A%252F%252Fwww.hsa.lr.tudelft.nl%252F%257Efrits%252Ffletchtxt.html%26amp%3BinvocationType%3D-%26amp%3BfromPage%3DnsBrowserRoll&remove_url=http%3A%2F%2Fwww.hsa.lr.tudelft.nl%2F%7Efrits%2Ffletchtxt.html Any other answer will be a rule of thumb, which may or may not be what you're looking for. Cheers, Adam > Date: Sat, 6 Mar 2004 22:53:52 -0500 (EST) > From: Joshua <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Subject: Hinge lines > Message-ID: <[EMAIL PROTECTED]> > > At the Re we use, I understand that we need our control surfaces > relatively large. But how large? I know Drs. MacCready and Drela must have > an answer, and maybe everyone else but me does, too. > > I have an RG15 on which I would like flaperons. The chord will be between > ~5 and ~6 inches at the position the flaperons will be in the wing. > According D&J, well, I don't quite understand, but I think they're saying > to make it as big as you can. > > Thanks, folks. > > -J > > ------------------------------ > > End of Soaring V1 #3368 > *********************** > RCSE-List facilities provided by Model Airplane News. Send "subscribe" and > "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and > unsubscribe messages must be sent in text only format with MIME turned off. RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off.
