Remember the story of Luke and Baby Blender? (http://flitetest.com/articles/baby-blender-for-lucas)
As the Baby Blender was very tricky to Lucas I decided to make a plane easier to fly, I opted for the Old Fogey.
Then the novel began: The beautiful Old Fogey, swayed from side to side trying to make a rol
l for itself.
After reading several articles, I decided to decrease the dihedral (almost flat) but without results, then reduce the propeller from 9x4.7 to 8x4, them to 7x3 and even 6.3, also without results, I tested various amount of dowtrusth and right angles which improved slightly, but not resolved. Finally found a post (sorry I do not remenber author) that had same problem and solved with to extra tails (fins). So I try the same solution with an extra touch (a vertical stabilizer in the wing): A funny punk hairstyle.
Now finnaly it flies great.
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