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Showing posts with the label low energy loss aircraft

JANUS - Aerobatic powered glider 40"

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A saw the video of the RedBull aerobatic glider team doing some exquisite flying and decided to  build something in those lines The design had to have low sink rate, Low drag, 4 axis control & low wing loading. Span : 1015mm Root Cord : 155 mm Tip Cord : 100 mm Wing LE to Motor : 175 mm Wing TE to Tailplane : 320 mm Tailplane Span : 305 mm Tailplane TC : 115 mm Tailplane TC : 85 mm Vertical surface ht : 130, Base width 115 mm The wing is folded out of 3 mm depron. It is 3 mm depron top and bottom surface with a depron spar.. The thickness is 9%.. so the spar is is two 3 mm depron overlapped to 3/4 span, the outer part of the spar is just a single strip of 3 mm depron (3+3+3=9 mm.. which is 9% of 100 mm) . The top and bottom sheets were laminated with 45 micron laminating plastic film, the fold was grooved from the inner side and the the top part slowly folded over and glued onto the spar and in the TE. The aileron is just the top surface extended The tail feathe...