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Whisper Aero Nabs $32 Million Series A for Ultraquiet Electric Propulsion

The startup aims to enable the next generation of cleaner, quieter drones and aircraft.

A demonstration drone equipped with Whisper’s electric ducted fans takes flight. [Credit: Whisper Aero]
Gemini Sparkle

Key Takeaways:

  • Whisper Aero raised $32 million to advance its technology for ultra-quiet, highly efficient electric ducted fans.
  • Their proprietary engineering allows for significant noise reduction by shifting sound frequencies into the ultrasonic range, while also achieving 20% greater efficiency compared to other ducted fans.
  • The company is initially targeting the defense sector, securing multiple contracts for applications like intelligence, surveillance, and reconnaissance (ISR) drones.
  • Whisper Aero plans to expand its technology into commercial aviation (e.g., eVTOL air taxis) and eventually consumer and industrial products to promote a quieter, more efficient future.
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Whisper Aero is taking a page from Muhammed Ali’s book.

Last week, the Crossville, Tennessee-based startup raised $32 million to help create aircraft in The Greatest’s image, capable of floating (flying) silently like a butterfly, and stinging—or in this context, delivering high efficiency—like a bee. 

Jack Daleo

Jack is a staff writer covering advanced air mobility, including everything from drones to unmanned aircraft systems to space travel—and a whole lot more. He spent close to two years reporting on drone delivery for FreightWaves, covering the biggest news and developments in the space and connecting with industry executives and experts. Jack is also a basketball aficionado, a frequent traveler and a lover of all things logistics.

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