Sagita has built an RC model of its concept. A new helicopter concept with less complex mechanics aims to make aviation safer, simpler, and easier to maintain. Sagita Helicopters in Belgium is behind ...

[Tom] likes to build little helicopters and decided to build one that runs on compressed air. (Video, embedded below.) Turns out it was a little harder than he thought. Originally, he was trying for a ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. In 1944, at the age of 19, Stanley Hiller, Jr. designed, built, and test flew the first helicopter with coaxial rotors ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the 1940s and early 1950s, several ...