Jacob went home from the ama expo and hit the books, eager to learn more. Both new zagi wings will break down, so you can fit it into a backpackideal for hiking and easily assembling for a cliff launch. The idea behind the winglet is to reduce the strength of the tip vortex and therefore cause the flow across the wing to be more twodimensional. In the hands of expert pilots blazing across the slopes in aerial combat or beginners doing combat with terra firma, the zagi 5c will stand up to the mission. Sutherland born july 31, 1978 in caracas, venezuela is a venezuelanamerican childrens book author who has also written under the pen name heather williams. Winglets were wind tunnel tested and computer analyzed by richard whitcomb of the nasa langley research center in the mid 1970s. Winglets are vertical extensions of wingtips that improve an aircrafts fuel efficiency and cruising range. Sutherland as a companion to the wings of fire series. At first, fans of the wings of fire series might find this ebook a bit underwhelming. Sutherland, author of the bestselling currently reading. We attended the academy of model aeronautics ama expo, visited nasa. The 72in zagi wing will be based on an unmanned aerial uas platform and will have a 12in center pod for controls and two 30in wings.
He thought the design could use improvement in addition to using a better material to prevent breakage or the dreaded zagi spin of death as he put it. Luis has been building and flying rc planes for 25 years and zagis for 15. By reducing wingtip drag, fuel consumption goes down and range is extended. She shares another pen name, erin hunter, with writers kate cary and cherith baldry when they collaborate with editor victoria holmes on the seekers and warriors series of novels. Fans of the new york times bestselling wings of fire series wont want to miss this allnew story set in the dangerous world of dragons. Were going to start offering carbon fiber elevons, winglets, and motor trays with a base. On july 24, 1979, the first winglet test flight took off from nasa dryden flight research center. On modern airliners, the wing tips are often bent up to form winglets. Winglets, is only a tiny 32 pages long and only about three chapters. The 36in wing will be a racing drone with an 8in center pod and two 14in wings.