Three Czech Republic companies have teamed up to make a prototype of an electric bicycle that can fly

The amazing machine is currently controlled remotely while in development but its designers hope to have it capable of carrying people soon, Sky News reported.
Looking like a heavy mountain bike, it has two propellers in the front, other two in the back and one on each side.Its six engines are powered by batteries and weighs 95kg.They also hope battery technology will advance enough to improve the five minute flights it is capable of performing currently and make the invention marketable.

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Milan Duchek, the technical director of Duratec Bicycles said that the capacity of batteries doubles about every 10 years.
They expect that in the future the capacity would be enough for the bike to used for sports, tourism or similar things. (ANI)

A technician operates by remote control 'Flying bike' bicycle ahead of its first public flight on June 12, 2013 in Prague, Czech Republic. The bike has been manufactured by 3 different companies from the Czech Republic (Duratec, Technodat, Evektor) and has been supported by French Company Dassault System. The F-Bike has four main motors (10kW) and two stabilization motors (3,5 kW). It has an estimated constant flight time of 3-5 minutes.
A 'Flying bike' bicycle flies during its first public flight on June 12, 2013 in Prague, Czech Republic. The bike has been manufactured by 3 different companies from the Czech Republic (Duratec, Technodat, Evektor) and has been supported by French Company Dassault System. The F-Bike has four main motors (10kW) and two stabilization motors (3,5 kW). It has an estimated constant flight time of 3-5 minutes.
A man takes pictures of a flying bicycle carrying a dummy during a public presentation at Letnany's fair hall in Prague, June 12, 2013. The flying bicycle, which was created by Czech designers, is kept aloft by six electrically-powered propellers.

Chief of project Jane Cinert (L) and electrical engineer Boris Guic prepare a bicycle carrying a dummy for a public presentation at Letnany's fair hall in Prague, June 12, 2013.The flying bicycle, which was created by Czech designers, is kept aloft by six electrically-powered propellers.
Jan Spatny remotely flies a bicycle carrying a dummy during a public presentation at Letnany's fair hall in Prague, June 12, 2013. The flying bicycle, which was created by Czech designers, is kept aloft by six electrically-powered propellers.
Journalists attend a presentation of a flying bicycle, carrying a dummy, at Letnany's fair hall in Prague, June 12, 2013. The flying bicycle, which was was created by Czech designers, is kept aloft by six electrically-powered propellers.
The course of the donceptual design development The first draft was characterised by rather large compact frame which consisted of the main trapezoid horizontal frame carrying the propellers with bars sticking out of it, connecting it to the more or less standard bicycle frame.
To reduce the total width during the ride the side propellers could be tilted to the vertical position. This proposal provided satisfactory overall rigidity, but the ergonomics did not meet the requirements.

The pilot would have to mount the bike in a complicated way (in fact, he would have to creep through the frame) and he would have a problem to reach the ground with both feet. When starting and stopping both the pilot and the bike might fall down.
The first draft also brought an idea to utilize the propellant units in the riding mode by turning the rear propeller over to the vertical position.
The movement forward would then be provided by the rear propeller`s thrust.
Like a common bike Because of the above mentioned reason, i.e. unsuitable ergonomics, the first option was abandoned. Another draft emerged.
It took into account almost classic bicycle frame extended to elements carrying the propellant units.
The front part included a simple extension of the standard frame with a bar, while for side drives a revolving bracket that allowed tilting of the propellers was designed.