Luke Bell and His Father Mike Set Endurance Record for Electric Drones, Flying for 5 Hours

Luke Bell and his father Mike, who gained fame for developing the fastest racing quadcopters in the world, have recently changed the direction of their research and achieved an impressive success by setting an unofficial endurance record for electric drones. Their new drone, which operates exclusively on solar panels, was able to remain in the air for 5 hours, 2 minutes, and 21 seconds. Luke shared that he landed the device not due to a lack of energy but simply because he grew tired of standing at the controls.

As noted by New Atlas, this is not the first time the Bell family has pushed the boundaries of standard technology. In January 2026, their drone Peregreen 4 reached an impressive speed of 657 kilometers per hour, but the new solar project required a completely different engineering approach. "A drone that doesn’t need a power outlet and can fly hundreds of kilometers during daylight is a whole new level of autonomy for farmers or cartographers," Luke explained, emphasizing the significance of this development.

The main obstacle for such technologies has always been the issue of 'battery anxiety,' where the flight time of drones is limited to 20-30 minutes. Therefore, developing a drone powered by solar panels became a real challenge for engineers. The technical evolution of the device went through numerous difficulties and failures. The first prototype of the drone had no batteries or capacitors at all—it operated on direct current, receiving energy from 27 solar cells. This fragile construction, made on a carbon X-frame, was able to take off but only lasted three minutes before the first gust of wind blocked the flow of photons, leading to the drone's crash.

In the second version of the drone, the Bells managed to reduce the weight of the frame by 70 grams, resulting in a savings of about 4 watts, and also implemented a hybrid power scheme. A key solution was the creation of a backup circuit using diodes and an auxiliary battery. The diodes act as one-way valves, blocking the reverse current flow in the panels. In the event that a cloud or sharp maneuver creates a peak load that the panels cannot cover, the battery automatically connects to support the drone's operation. The final model of the drone features 28 panels that can peak at 110 watts. Since the drone requires about 70 watts for stable hovering, the remaining energy is used to recharge the buffer battery.

As of now, the main enemy of the development remains the wind. Due to the large surface area of the panels and the drone's light weight, it has too high of a sail effect, complicating its stability in the air. In the upcoming V3 version, Luke plans to transform the device into a full-fledged eVTOL, allowing the solar panels to function as wings. This, in turn, will reduce energy consumption in horizontal flight to 10% of the power required for hovering. Thus, the Bell family continues to innovate in the field of drones, opening new horizons for their use in various industries.