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For his latest custom build, Dangerholm has gone full Mad Max. The purposely rusty creation includes a wild truss fork that lacks a traditional stem, and saw blades that double as brake rotors. Add a ...

Their innovation lies in a coaxial drone design—a sleek cylindrical form powered by counter-rotating rotors. It’s a departure from the typical quadcopter, offering advantages in performance ...

Single-rotor helicopters need a mechanism to neutralize the yawing movement produced by the single large rotor. This is commonly accomplished by a tail rotor, coaxial rotors, and the NOTAR systems.