Although not the first to try and build a DIY solar-powered remote control airplane, [ProjectAir]’s recent attempt is the most significant one in recent memory. It follows [rctestflight]’s ...
HAP is a solar-powered autonomous unmanned aircraft flying at stratospheric levels and is capable of day-and-night operations at altitudes of 17-20 km with an endurance of months.
Scientists in India have developed a solar-powered plane that can fly up to 90 days at a time. A smaller version has already been flown successfully for 10 hours — making India one of the only ...