Vacuum Bagging Wings - Vacuum bagging techniques for foam wings with composite, or wood veneer skins. Epoxy Safety - Tips for working safely with epoxy, including discussion of latex gloves. Project F3F - Anatomy of a project to design a moulded F3F-class radio control slope soarer, by Adrian Bedford. R/C Soaring UK - What Do Thermals Look Like by Wayne Angevine, an atmospheric physicist. Tubular Hinges - Knuckle or arrowshaft hinges for gapless hinge lines. Sailplane Performance Analysis - A theoretical study to evaluate the effect of minimum sink rate, span, and aspect ratio on the performance of a family of conventional radio controlled thermal sailplanes. How to Cast Lead Nose Weight - By Michael Shellim, a relatively simple method of casting lead noseweight to fit accurately inside the nose of your model. Pressure Sensor-Based Altimeter Circuit - Includes introduction, what the circuit does, the circuit, the Schematic and PCB layout, tuning and adjusting, installation in the model, use, and parts list. Mark Drela's Allegro 2m - Paper and plans describing the aerodynamics and structures of a 2m RES sailplane. See How It Flies - A new spin on the perceptions, procedures, and principles of flight. Seamless Molded Fuselages - Doing a layup with and joining the fuselage in the mold. Liftroll Cookbook - How to design a good wing using a vortex-lattice spreadsheet by John Hazel. Discus Launch Gliders - Pictures and information on making fuselage molds. UIUC Applied Aerodynamics Group - Information on low speed airfoil testing for model airplanes.