Aerial Velocipede
Aerial Velocipede is a project for an one-man helicopter that never took off. It proved however very useful as a fan. Human-powered, it was invented not by Axel Wappendorf, as is often believed, but by Auguste Delprat 1).
Aerial Velocipede is a project for an one-man helicopter that never took off. It proved however very useful as a fan. Human-powered, it was invented not by Axel Wappendorf, as is often believed, but by Auguste Delprat 1).