2018年2月22日木曜日

Main wing connected

Separately constructed main wings of Flash Pro 45 were connected in the centric position with grass fiber cloth and Epoxy glue as usual, in condition so that the upper surface should be flat to keep the character natural in Knife edge flight situation. Though the original design required 9 to 11 mm dihedral, the lower shape was modified to gain front fuselage area leading to reduction of the angle. I hope this condition of main wing would not require any mixing modification.
The tip of both main wing and stabilizer was designed as TN type originally, I changed them into normal shaped ones, so the main wing area was increased a bit compared with original one. This kind of modification at the tip ends might increase an air resistance drag apparently as we often experienced on the propeller construction. Powerful YS 45 FR motor would overcome such kind of worse and affect able condition, so I hope.

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