Materials atthe edge

Noise is the drone industry’s adoption bottleneck: the top complaint near delivery operations and the trigger for flight restrictions in a growing list of cities. Propeller redesigns are hitting diminishing returns. The path the sound travels is the untreated half of the problem.

Our liners treat it at the duct: a printed ring of sub-wavelength resonator cells folded into the wall, tuned to each airframe’s blade-passage harmonics and broadband signature. Retrofit-ready for ducted platforms, lined shrouds for open rotors. Every part ships with its before/after measurement.

For advanced air mobility, noise is a certification gate and the variable that decides where vertiports get built. Every decibel is traded against weight, and conventional acoustic treatment is too thick and heavy to fly.

Metamaterial geometry folds the required acoustic depth into millimeters: lift-fan duct liners, cabin panels, and ventilated silencers that absorb where foam cannot fit. Designed against each platform’s spectrum, validated in anechoic measurement.

On the modern battlefield, being heard is being found. Acoustic signature sets detection range for small UAS and ground systems, and the same engineering extends to electromagnetic signature.

Printed structures for signature management: tonal absorption tuned to rotor harmonics and dielectric geometries for radar-band control. Dual-use by design, built alongside our commercial platforms.