To get it, you need to throw your blue-colored Boomerang in the Waterfall of Wishing. You will get the red-colored Magical Boomerang back. Use: The Magical Boomerang ...

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Optimize an airfoil based on its aerodynamic characteristics. Xoptfoil2 follows an approach to airfoil design that could be called 'design by polars' - in contrast to the classic design methods such ...