Quantum Systems said its battery-powered experimental drone, the Apex Recordhunter, reached 777 km/h during a record attempt. The company cautioned the result is not yet officially confirmed.
The test gave Quantum Systems an opportunity to evaluate the performance and limits of electric propulsion at very high speeds, the company said. Data from the run will guide development of future drones.
The 777 km/h result exceeded an earlier June test in which the Apex reached 699 km/h in a level straight flight. Quantum Systems described the June flight as the best unofficial world record for a battery-electric flying object.
The company said the 777 km/h measurement is not yet an official record because the aircraft must complete a return leg to neutralize wind effects. Nevertheless, engineers gained data on propulsion behaviour at extreme speeds.
Developed over about a year, the Apex Recordhunter is a technology demonstrator rather than an operational aircraft. Its role is to validate propulsion systems, energy management and high-speed flight performance.
Quantum Systems said the June tests used special battery cells developed by a Porsche subsidiary. The company has not published detailed specifications for the battery pack, motor or propulsion system.
No precise figures on energy consumption, battery capacity or flight duration for the 777 km/h run have been released.
Quantum Systems is based near Munich and is known for the Vector reconnaissance drone, which has seen wide use in Ukraine. The firm completed a $1.2 billion financing round this year to support its defence technologies.
The company said a subsequent flight will determine whether the 777 km/h result can be registered as an official record.
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