Winglets have been beaten to death several times. The problem was that not enough research was done before pronouncing them dead. Properly done, they do add performance at low speeds without seriously affecting the higher speed glide ratio. If winglets weren't beneficial, they would not be appearing on EVERY new competition full-scale sailplane. I have done some models with winglets and I think they worked well, especially in low-speed circling flight. The Houston Hawk has winglets and it's absolutely amazing how tight it will turn without falling out. I had a 153" RES ship with winglets that I made VERY carefully and they worked very well, again especially at low speeds. They were not detrimental to the higher speed glides. I thermalled it out in hand-launch level stuff on a regular basis, before I launched it with the transmitter set on the wrong model... drat... Still have the wings, and will one day build another fuselage.
Jack Womack -- schrederman ------------------------------------------------------------------------ schrederman's Profile: http://www.rcgroups.com/forums/member.php?u=13218 View this thread: http://www.rcgroups.com/forums/showthread.php?t=452693 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. Email sent from web based email such as Hotmail and AOL are generally NOT in text format
