1. How to make Paper cup Helicopter | Rubber band powered flying plane | easy Paper toy

    How to make Paper cup Helicopter | Rubber band powered flying plane | easy Paper toy

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  2. Maiden flight of RC 3D printed Shmiggen powered by a 90 mm electric ducted fan

    Maiden flight of RC 3D printed Shmiggen powered by a 90 mm electric ducted fan

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