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New version 3 of my own design "Diamond" fun fly. Built in Dec 2009 and not yet flown (as of Jan 2010)
It's like a profile, but the cross section of the fuselage is a diamond shape. Narrow at the top and bottom. One main wheel. All-up weight is 3 lbs. 9 oz. I put one layer of carbon fiber on the exterior to stiffen up the front end. Powered by OS .46 2 cycle glow. 44 x 17 inch wing (750 square inches). Fuse is 1/16 balsa over foam. Wing is built up. Engine is "upside-down" compared to most profiles -- otherwise the exhaust runs into the wing.
DSC_0104-RC-cropped.jpg DCP_6334-RC-David.JPG DSC_5670-RC.JPG SNC00074-RC.jpg DSC_5671-RC.JPG

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