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Showing posts with the label hotwired wings

Flying wing 54"-- with vortex generators

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This is a build log for a 54" flying wing with a blended fuselage  Made out of Styrofoam and hotwired Wing Span -  54" Airfoil - MH 64 Root chord - 14" Tip chord - 7" The wings were hotwired out of styrofoam based on a MH 64 airfoil. The spar was a strip of 1X3 carbon fiber glued in a shallow groove on the top and bottom surface of the wing. The two strips of CF act like a I beam with the foam in between, and being very strong in tension, makes a very rigid wing. There was a central section 6.5" wide fuselage, which was blended with the wings. This would help by having more space for power train & electronics  The CFs extended into the central section , which gave more rigidity and strength and intregrated the wings and fuselage better The LE was covered with very thin fiber glass to reinforce it against dents A view of the wings and fuselage joined together.. note the space being cut for electronics and battery.. . this would lat...

Flying Wing 45" - Build log

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Hotwired foam Flying wing - 45" ~~ 114.5 cms Airfoil : MH64 Span : 114 Root Cord : 30.5 Tip Cord : 23.5 Twist : -1.7 degrees This is hot wired out of expanded polystyrene. It done in the single template method,  with one end of the wire anchored Tips had -1.5 degrees of twist Below is one of the cores after the cutting . it has come out very good . the template is still fixed to the core   the core without the template. Note the cord line the  calculations are Pictures of the finished wing Motor - 2230 1780KV ESC- 30 amps.. I do not have a lower rating ESC.. the max current draw on rig is 9.5 amps Prop - 6X3 AUW : 400 gms.. including 1000mah 3S bty -The wing has one 1mm X 3mm flat spar, running full lenght and one cross 3 mm joining spar -The motor mount is made out of coro and balsa - ailerons are balsa 1.75" - Wing is covered with tracing paper.. the paper is pasted with 50% white PVA glue thinned with 50% water. .. the p...