Some testing was done with this durable aircraft of the replica of the Stealth Bomber - called B2 Spirit. It uses ducted fan and when goes against the wind, it requires very little effort to gain from the lift. Testing in a field in Hong Kong where R/C hobbyist fly their crafts. All these hobbyist were intriqued how affordable, easy to fly and durable this B2 Spirit from Interactive Toy is. Check other videos too