This paper presents a design of automatic flight control system for VTOL research aircraft supported by four ducted fans. Ducted fan VTOL aircrafts have not been utilized as actual aircrafts due to some problems, such as stability–and–control, fuel efficiency, e.t.c. A research model of the...
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aircraft. The matt finish on the EDF housing and blades gives the product a sleek and modern appearance. The streamlined design, coupled with CFD simulation analysis, ensures that the fan operates with minimal noise, creating a lifelike sound effect during high-speed operation. **Optimized ...
He designed the first prototype of the tip-jet aircraft WNF-342 and made its maiden flight in the 1940s. This type of rotor was advantaged in the simple structure and light gross weight since the pneumatic reaction-drive rotor did not need the anti-torque and reduction gearbox systems. To...
3912201 Aircraft 1975-10-14 Bradbury 3904155 Helicopter step and cargo carrier assembly 1975-09-09 Chavis 3873049 Flying machine 1975-03-25 Horsdal 3827527 GIMBAL GROUND EFFECT VEHICLES 1974-08-06 Bertelsen 3752417 AIRCRAFT USING LIFTING FANS 1973-08-14 Lagace 244/12.2 3713748 GAS TURBINE DU...
FIG. 1 and in the aircraft mode in FIG. 1a. It is understood that the ducted fans117may be alternatively mounted to any section or portion of the wings115. For instance, the ducted fans117may be mounted to middle sections of the wings115located between root sections and the tip sections...
At the same time, university and government research programs on hybrid and all-electric aircraft have focused more on regional, medium and long-haul aircraft. This article will emphasize the application of electric propulsion for eco-friendly light general aircraft. The goal of this paper is to ...
Ducted fanNoise reductionConceptual designNoise predictionHybrid and electric propulsionCEAS Aeronautical Journal - This publication presents an analytical method for the aerodynamic and acoustic pre-design of ducted fans for small aircraft. Based on studies of the primary design......
In some embodiments, an aircraft includes a fuselage having a forward portion and an aft portion. First and second ducted fans are supported by the forward portion of the fuselage.
A vibration isolation engine mount system and method for ducted fan aircraft, such as ducted fan vertical takeoff and landing (VTOL) aircraft, includes an engine for driving the duc