Body-fixed accelerometer outputs replace bulky probes and pitot-static hardware to estimate angle of attack in small unpowered vehicles.
Using body-fixed load factor ratios, the flight computer derives angle of attack for unpowered vehicles without probes or pitot-static hardware.
Modular composite fuselages, carbon fiber spars, and sacrificial winglets help a solar stratospheric glider stay light, durable, and reusable.
A propulsion unit and deployable parafoil extend airdrop range beyond glide limits while keeping payload delivery stable, autonomous, and low cost.
Pivoting wings stow inside the fuselage, then deploy after release to deliver heavy supplies more accurately and at lower cost in remote areas.
Downward sacrificial winglets protect a solar-powered stratospheric glider during landing, preserving the main airframe for reuse.
Past-flight data, EKF/RTS filtering, and propeller corrections generate sink-polar estimates for thermal detection in powered and gliding flight.
Disposable plywood gliders use gas spring wing deployment and terminal parachutes to deliver payloads accurately while keeping aircraft out of enemy fire.
Segmenting the glider into modular components nested within a backpack frame resolves transport complexity while maintaining flight stability.
Protruding walls disrupt airflow to shift the center of lift, resolving forward stability versus multi-directional adaptability trade-offs.
Segmented wing structures resolve side force balance issues to maintain positive yaw control effectiveness across the flight envelope.
A segregated hybrid propulsion system pairs a small internal combustion engine with independent electric motors to drive separate propellers.
A rigid parachute wing merges with the aircraft structure to enable automatic vertical descent without control systems.
A sensor arrangement measures canopy distances to ascertain flight state.