That thread about putting a wing on the bicycle to somehow reduce the weight without a drag penalty made something in my noggin buzz.... Thermodynamics and the acronym TANSTAAFL came to mind. I can't see how this could work in a practical sense. Any aerodynamicists care to chime in? 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

