Terra Powerlifter, safety in simplicity

Back to the future, but practical. A super simple system is often best. Japanese company Terra claim a two-hour endurance with a 10kg payload. That is enough to lift a Rigel LiDAR, the miniVux-1UAV weighs just 1.55 kg. Ok, it is going to be slower covering ground than a photogrammetry flying wing. It will be ["]