Leonardo observed a children's toy which could rise. Leonardo realised that the principle might be used on larger things. But it did not really work. Leonardo did not even try to execute this 'invention' Like most of his ideas it remained a sketch.
He didn't physically invent it but he did come up with the idea.
he helped us invent the helicopter.
He did not invent it he 'visualised' it and drew his impression
It is the helicopter.
The three things Leonardo ntended to invent are the helicopter, the tank and the bicycle.
Leonardo da Vinci did not actually 'make' a helicopter, he just drew his concept of it.
Leonardo da Vinci invented the bicycle and the helicopter.
No.
No
Mans passion for flight was popular during his time, so he invented a vehicle to let him do so.
No. Only Leonardo.
No but he made the glider.