https://hackaday.com/2026/04/18/electric-wind-up-plane-uses-supercapacitors-for-free-flight-fun/
Electric Wind-Up Plane Uses Supercapacitors For Free Flight Fun | Hackaday
There’s something to be said for a simple wind-up, free flight model airplane. With no controls, it must be built very well to fly well, and with only the...
for free flightelectric windplane