An Open Source Project Powered paragliders (ppg) have been a relatively inexpensive and fairly reliable method of getting off the ground for several decades. The OpenPPG organization enables one to be part of a group effort to improve a simple, light framework and power systems as part of a group effort. The group’s web site proclaims, “The OpenPPG project is the solution to easy, convenient, and affordable powered paragliding. With its simple user-friendly, maintenance free, and lightweight design it has never been safer and easier to experience the thrill of flight.” Here we see the first flight of the rev. 3 model. The body-cam is a bit distracting, but does give a view of the steps required to ready the machine for flight. A second video shows two paramotors in flight, demonstrating great control (on a probably very calm day), and almost vibration free images because of the craft’s small electric motors. How well will one of these things climb? A pilot starting at a 4,400 …