Whisper Aero provides UltraQuiet™ electric propulsion modules that combine high‑efficiency brushless motors with integrated acoustic damping to cut noise by up to 20 dB while delivering 5‑500 lb of thrust. The lightweight, modular design supports speeds from 40 kt to 400 kt and includes real‑time health monitoring, enabling straightforward retrofitting into eVTOLs, drones, regional aircraft, and low‑noise industrial equipment.
Funding
$500K raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
TDFounders
Product
Problem
Conventional propulsion systems generate high acoustic emissions and exhibit limited energy conversion efficiency, which restricts their use in noise-sensitive environments and hampers broader adoption of electric mobility. The lack of scalable thrust solutions forces manufacturers to compromise between performance, weight, and operational cost across aviation and industrial applications.
Solution
Whisper Aero offers UltraQuiet™ electric propulsion modules that combine high-efficiency electric motor technology with advanced acoustic damping to deliver thrust with substantially reduced noise signatures. The system achieves up to 20 % higher energy conversion efficiency compared to legacy electric drives while delivering scalable thrust ranging from 5 lb to 500 lb, suitable for a spectrum of platforms. Integrated power electronics and a lightweight composite housing enable operation across speeds of 40 kt to 400 kt, maintaining a 20 dB reduction in perceived noise. Real‑time health monitoring and a modular architecture allow rapid integration into existing airframes or industrial equipment without extensive redesign. Ground and flight‑test validation demonstrate consistent performance in both stationary and airborne conditions, providing a reliable pathway for manufacturers to adopt quieter, more efficient propulsion.
Target Audience
Primary customers include aircraft manufacturers developing eVTOLs, drones, and regional commuter planes, as well as industrial equipment producers seeking low‑noise electric drive solutions for applications such as leaf blowers, HVAC fans, and ground support vehicles.
Features
- High‑efficiency brushless electric motor with patented winding geometry delivering up to 20 % efficiency gain over standard designs
- Integrated acoustic damping enclosure achieving a 20 dB reduction in sound pressure level across the operating envelope
- Scalable thrust modules selectable in 5 lb, 50 lb, 200 lb, and 500 lb configurations to match diverse platform requirements
- Wide operational speed range (40 kt
- 400 kt) supported by adaptive motor control algorithms for optimal performance at varying flight regimes
- Lightweight composite housing and modular mounting interfaces for straightforward retrofitting onto existing airframes or industrial machinery
- Embedded sensor suite providing real‑time temperature, vibration, and power metrics with cloud‑based health analytics
- Compatibility with standard aircraft electrical architectures and optional integration with battery management systems for end‑to‑end electric powertrain solutions
- Certified compliance with aviation noise standards and industrial safety regulations