Check the listing for details. Air Trails FLYING WING PLAN & Patterns for a 55" Span Powered FF Model Airplane. Condition: New. Listed at 13.95 USD. I AM NOT SELLING A KIT, only a full-size 1951 Air Trails PLAN plus construction article for a Wasp .049 powered 55" span free flight FLYING WING. Air Trails Air-Model Design Competition winner. The contest entry rules stated: “You are not required to build a model in this contest! All you do is submit detailed 3-view drawings of your favorite “brain-child” in each of those categories listed (plus sketches if you are artistically inclined). The top design each month will be built and test-flown by AT’s design and research team and the model will be given to the winner with all the equipment that goes with it. You have until July 1, 1951 to get your design studies in the mail.” Talk about a dream come true for a young designer! YOU ARE BUYING A NICE, NEW, FULL-SIZE COPY OF THE PLAN AND A COPY OF THE ORIGINAL CONSTRUCTION ARTICLE FOLDED AND IN A MANILA ENVELOPE. Normal 0 false false false EN-US X-NONE X-NONE