As the Ukraine-Russia drone arms race rages, hobbyists far from the war are pushing the limit for how quickly these small quadcopters can fly. A father-son duo in South Africa set a new Guinness World Record by reaching a ground speed of 408 mph with their custom, battery-powered remote-controlled quadcopter, the Peregreen V4. Luke and Mike Bell performed the record-breaking flight on December 11, 2025, the Guinness World Records organization said in a statement in January. While drones built