Fechner Aerospace

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From Concept to Flight

Sys­tem design, sim­u­la­tion and flight test­ing — Fech­n­er Aero­space cov­ers the entire air­craft devel­op­ment process, ensur­ing reli­able and effi­cient oper­a­tion of your UAV. While con­tin­u­ous­ly enhanc­ing per­for­mance through advanced design and inno­va­tion, we nev­er com­pro­mise on safe­ty. From ini­tial con­cept devel­op­ment to flight-proven solu­tions, we com­bine aero­dy­nam­ic exper­tise, advanced sim­u­la­tion meth­ods, sys­tems engi­neer­ing skills and exper­i­men­tal flight test­ing to devel­op UAV sys­tems that deliv­er supe­ri­or per­for­mance, effi­cien­cy and reli­a­bil­i­ty.

block diagram showing the systems of a fully autonomous UAV helicopter; aircraft system design

Sys­tem Design

Sim­u­la­tion

ground station of an autonomous UAV helicopter; live video feed, artificial horizon, map data, flight testing

Flight Test­ing

Cus­tom Design. Engi­neered for Excel­lence.

Advanced Prototyping

Our in-house pro­to­typ­ing capa­bil­i­ties include CNC machin­ing, mul­ti-mate­r­i­al 3D print­ing, elec­tron­ic design, micro­con­troller pro­gram­ming, TIG weld­ing, and more. This enables fast pro­to­typ­ing iter­a­tions and ensures that your UAV is at the cut­ting-edge of tech­nol­o­gy, deliv­er­ing the best per­for­mance for your spe­cif­ic appli­ca­tion.

Heavily modified JGAurora A5 3D printer for multi material 3D printing. Equipped with automatic bed leveling system and OctoPrint. Fully enclosed.

3D Print­ing

CNC Machin­ing

CNC machined aluminum part with different pockets, holes and chamfers. The process of CNC machining ensures a very high dimensional accuracy and high surface quality.
Rigol DS1054Z oscilloscope used for I2C decoding. The picture shows a situation where the oscilloscope is used to decode an I2C signal coming from a flight controller.
development stages of a custom built flight mode switcher: development board, electronics, microcontroller, 3D printed case, CAD construction, final assembly

Elec­tron­ics & Micro­con­troller

Insight Cre­ates Advan­tage

Customized Systems

Every mis­sion comes with its own require­ments. We devel­op cus­tomized sys­tems designed pre­cise­ly around your needs. Your mis­sion is unique — your UAV should be too.

CAD construction and 3D printing of an active stabilizer assembly for a UAV helicopter: Image top left: 3D printing of the horizontal stabilizer Image bottom left: 3D printed part with linkage rod for active AoA control Images on the right: CAD construction of the active stabilizer. The horizontal stabilizer can rotate around the red shaft.
Custom built active stabilizer assembly for a UAV helicopter. The angle of incidence of the horizontal stabilizer can be adjusted electrically during flight.
Flight test of a T-Rex 800 UAV helicopter with the active stabilizer assembly.

Active sta­bi­liz­er assem­bly: The angle of inci­dence of the hor­i­zon­tal sta­bi­liz­er can be elec­tri­cal­ly adjust­ed dur­ing flight.