Takekoputa(タケコプター) is one of the most famous and common gadget in the Japanese manga series Doraemon.
Regardless the power issue, Can it be used to fly in real world, as like as in the animation?
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In a manner of speaking yes (although its highly unlikely). If the propellor on his head can generate enough lift to get his mass off the ground there is nothing to say he cant fly. That does not mean that the flight will be very stable or controllable but it may lift off. Since the animal does not have the equivalent of a tail rotor the torque effect generated from the propellor may spin him around. It does appear there may be flyable toy versions
Although for what its worth there is no identifiable power plant that is spinning this head propellor...
I assume that the thing on his head is a propellor
If so, then in theory yes, it could fly. If the propellor rotates fast enough, and the rest of him is light enough.
Note that his body, however, would rotate in the opposite direction to the propellor, likely making him uncontrollable.
In theory he could lift off the ground, in practice he would almost certainly be uncontrollable