/diy/ - Do It Yourself

Anonymous Sun May 28 12:27:20 2017 No.1184240 [View]
File: 10 KB, 600x110, airfoil-avg-chord.png [View same] [iqdb] [saucenao] [google]

>>1184236
You mean you tried to launch it by letting it drag itself over concrete? The friction from that is too much, it wouldn't be able to take off. You need to either give it wheels or launch it by hand. If it instantly went down, it means it naturally pitches down. What you want to do is adjust the wing and tail to provide a neutral pitch. You'll also want your centre of mass to be located roughly between the front 1/3 and 1/2 of the wing.

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/diy/ - Do It Yourself

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