Propeller Acoustic develops quiet‑flight propeller technology that cuts acoustic signatures by 6–10 dB at equivalent thrust and halves the detection range, extending mission windows for drones operating in residential or urban zones.
Funding
Funding not disclosed
Founders
Product
Problem
Drone operators in residential and urban environments face strict noise regulations and community complaints, which limit flight permissions and reduce mission windows. Conventional propellers generate acoustic signatures that are easily detected, making compliance with emerging DGAC and EASA noise standards difficult for many platforms.
Solution
Propeller Acoustic offers a quiet‑flight propeller technology that reduces acoustic signatures by 6–10 dB at the same thrust level, effectively halving the detection range of drones. The company uses high‑fidelity aero‑acoustic simulations, including full‑scale LES and computational sweeps, to certify performance across 18–30 inch propellers. This IP can be licensed by OEMs, enabling them to meet regulatory noise limits and differentiate their drones without redesigning the airframe. The technology is platform‑neutral and validated with operational partners, providing a clear pathway to DGAC/EASA certification and immediate market entry.
Target Audience
Primary customers are drone OEMs seeking acoustic certification and market differentiation, and drone operators needing to access noise‑restricted zones such as residential or urban areas.
Features
- 6–10 dB reduction in acoustic signature at equivalent thrust versus standard propellers
- Halved acoustic detection distance, extending permissible mission windows
- High‑fidelity computational validation (LES, FWH) across multiple revolutions for predictable, repeatable results
- Scalable IP covering 18–30 inch propellers, applicable to both commercial and tactical drone fleets
- Licensing model that includes certification support for DGAC/EASA noise standards
- Sovereign French aerospace engineering ensuring dual‑use eligibility (RAPID/ASTRID)