Our heavyweight helicopter equal in the world does not have
In Rostov started production of the most load-lifting rotary-wing car The Russian holding «Helicopt[...]
. Including Twist
The paper wing is actually slightly warped with a linear twist t(y) = -2txy/b, where tx is a small positive number that represents the tip twist.
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Revisiting Prandtl Integro-differential equation and substituting in the left-hand – side the two Fourier modes gives
