physically, what is stoping humans from having “flying bicycles”?

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“Japanese Student Takes Flight of Fancy, Creates Flying Bicycle” [https://www.youtube.com/watch?v=ZJrJE0r4NkU](https://www.youtube.com/watch?v=ZJrJE0r4NkU)

*Edit: Far beyond regulations and air traffic control issues, only regarding to physics:*

I’ve just seen this video of a Japanese student that has achieved making a flight of about 200 or 300m with a mechanism that turns the pedalling we normally do in a bicycle to the turning of a propeller.

Now, if we as humans and a very great bike can reach 40-50 mph (and very light planes such as cessna can take of with only 60mph – not to mention Bush Planes – all of these weighting easely 4 to 5 times the weight of a person + an extra light airplane design, specifically created for that porpouse) – why does this seems too hard to achieve/sustain? I can only guess its a matter of efficiency (or the lack of it), but which one of them?

In: Physics

34 Answers

Anonymous 0 Comments

The weight of a human. It would take a very light and physically fit human to operate one for any length of time.

Thats also not considering maneuvering and landing one it an urban environment or the space to store one.

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