Yann's Airplanes. Jump to the PMAV PAGES, and see more pictures, videos, plans, and detailed building instructions.
Back in 2006, we experimented with a home-made engine sound synthesizer for electric R/C airplanes. The main innovation is that the pitch of the sound is proportional to the speed of the propeller, measured by an optical sensor. Home. Pix4D Next-Generation Aerial Image Processing SoftwarePix4D Next-Generation Aerial Image Processing Software. Showing the power of civilian drones, one mission at a time.