The helicopter was invented in 1939?

Answer 1

The concept of a helicopter dates back earlier than 1939. While the first practical and successful helicopter, the VS-300, was designed by Igor Sikorsky and flown in 1939, the idea of vertical flight had been explored by various inventors before that.

Here are some key milestones in the development of helicopters:

1. Conceptual Designs (Late 19th to Early 20th Century):

Various inventors, including Leonardo da vinci, made conceptual sketches of vertical flight machines. However, it was not until the 20th century that significant progress was made.

2. First Autogyro (1923):

Juan de la Cierva's autogyro, the precursor to the helicopter, made its first successful flight in 1923. While not a true helicopter, the autogyro demonstrated the viability of rotary-wing aircraft.

3. Focke-Wulf Fw 61 (1936):

The Focke-Wulf Fw 61, designed by Henrich Focke, was the first fully controllable helicopter to see significant success. It set several world records in 1937 and demonstrated the feasibility of stable rotary-wing flight.

4. Igor Sikorsky's VS-300 (1939):

Igor Sikorsky's VS-300, flown for the first time in 1939, is often considered the first practical and successful helicopter. It featured a single main rotor and a tail rotor for anti-torque, a configuration still used in many helicopters today.

5. Mass Production (1940s and Beyond):

The helicopter became more widely used during and after World War II. Sikorsky's R-4 became the first helicopter to enter mass production, and helicopters played vital roles in various military and civilian applications.

So, while the first successful practical helicopter flight occurred in 1939 with Sikorsky's VS-300, the journey toward vertical flight had involved multiple inventors and experimental designs over the preceding decades.

Answer 2

They were in process of invention at that time

Answer 3

no