Drone breaks world speed record with 453 mph in test run — exotic sawtooth carbon fiber propeller blades one of the key advances in the Blackbird design
A duo of drone builders unofficially broke the world speed record for drones, reaching 453 mph in a test run with their custom-built 'Blackbird' drone. Key advancements included specially handmade carbon fiber propeller blades with an aggressive pitch and unique sawtooth leading edges designed to reduce drag and improve efficiency at high speeds. Despite an initial test run ending in a lost connection, the team successfully averaged speeds from a downwind and upwind flight to surpass the previous record. AI
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