try: http://dutlhs7.lr.tudelft.nl/~frits/fletchtxt.html Incidentally, a lot of questions on the RCSE about "where can I find...." can be located with the Google search engine: www.google.com All I did was put in "fletcher sailplane" and it was the second or third citation. Richard Shilling RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]