Back in the 1920s, when flying was still in its infancy, there were numerous efforts to make a functional helicopter, some of which were hilarious by today’s standards. This is a compilation of early helicopters from the 1920s trying to fly.
Back in the 1920s, when flying was still in its infancy, there were numerous efforts to make a functional helicopter, some of which were hilarious by today’s standards. This is a compilation of early helicopters from the 1920s trying to fly.