Traction Foil Design - Design and building instructions for ram-air foils and inflatable sled-style foils using CAD type software. Hata Making - Explains the traditional construction of the Japanese Hata. Art & Flywork - Kite building plans, tips and techniques. Ozon Scientific-Technical Center - Russian site with tools for modeling the behaviour of textile structures interacting with fluid. Chevron - Detailed discussion of soft foil design and construction. Bending Spars With A Coke Can - Measurements of the relative stiffness and weight of spars. Miniature Kite Designs - A site dedicated to miniature kites including plans, kits, construction tips, building materials, photo galleries and contest results. WW2 Target Kites - Details of Paul Garber's World War II naval gunnery target kites. Includes contemporary instruction manual and patent data. Bensontwins - Tips for tuning a Tim Benson Gemini sport kite.