The Central Aerohydrodynamic Institute named after N. E. Zhukovsky (TsAGI) has developed a promising near-sonic transport aircraft with an unusual "triplane" configuration. The new design solves one of the key problems of modern aircraft — reducing stability and controllability at near-sonic speeds.
This refers to flutter, control reversal, and wing deformations, which limit the lifespan and increase accident risks.
The project envisages a closed power circuit. The wing will be connected to the horizontal tail through external keels, forming a rigid contour. This solution increases the strength of the structure and reduces vibration loads. Additionally, rotating winglets will be installed on the external keels, which will redistribute aerodynamic forces and stabilize the aircraft in flight.
The control system will be duplicated. The front tail, elevons, elevators, and rudders are involved in the operation, which increases reliability in case of failures and simplifies operation. The developers abandoned spoilers and complex wing mechanization, making the surface smoother.
The engines will be located in the tail section next to the central keel. Fuel tanks are provided inside the structure, which allow controlling the center of mass and maintaining stability in different modes.
This triplane configuration improves takeoff and landing characteristics with a limited wingspan and makes it possible to create new generation passenger and cargo aircraft with increased safety.
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The development belongs to the "High-Precision Systems" holding