We design aircraft and propellers according to our customers’ specifications and requirements, we determine the expected flight performance and masses and we define the air and ground loading conditions for the aircraft and the resulting loads on the systems and at typical cross-sections.

Projekt Quadcruiser

  As a project partner of Airbus Innovations Manching SFL was a leading member of the development team of this future remotely piloted aircraft system. The unique selling point of this RPAS is th...

Find out more

Projekt Gamebird

At 16 th of July 2015 the maidenflight of Gamebird was performed. Congratulations to the entire team for this success. Under the direction of Philipp Steinbach Game Composites in Faldingworth (UK) dev...

Find out more

e-Genius

e-Genius
Due to our vast experience in the field of electrically powered aircraft we were able to contribute significantly to the work done by the University of Stuttgart’s Institute of Aircraft Design o...

Find out more

PENTA

IMG_1420
PENTA is an in-house development of SFL-GmbH. PENTA serves as a prototype for testing and integration of an appropriate autopilot for hybrid configurations (VTOL with capability of conventional cruisi...

Find out more

Solar Impulse

solarimpuls_foto
Solar Impulse is the largest solar-powered aircraft in the world. This single-seater aircraft was designed to fly non-stop for several days. This in turn demanded an extremely lightweight construction...

Find out more

ELHASPA

OLYMPUS DIGITAL CAMERA
SFL was commissioned by the DLR Institute for Robotics and Mechatronics in Oberpfaffenhofen and by Astrium GmbH in Ottobrunn with extensive design work for this UAV. Based on the experience gained dur...

Find out more

Amphibian aircraft

libelle_flug
Commissioned by and in co-operation with Dornier Technologie GmbH we carried out design work on the 2-seater amphibian aircraft Dornier S-RAY 007 (Libelle). The aircraft’s maiden flight was unde...

Find out more

Deltajet

deltajet_foto
We were tasked with the design and construction of a single-seater subsonic jet trainer. In addition to designing the CFRP structure, a further focal point was the aerodynamic design and the determina...

Find out more

Jet drone I

dt35-4
The task was the design and development of an autonomously flying target drone with jet engines. A major requirement is a maximum speed of 350 knots, corresponding to approximately 650 km/h and a miss...

Find out more

Jet drone II

dt25-4
The task was the design and development of an autonomously flying target drone with jet engines. A major requirement is a maximum speed of 250 knots, corresponding to approximately 460 km/h and a miss...

Find out more

Propeller

nersop_prop
Own propeller design programme Own patents for folding propellers forward-folding for AMS Carat swivel propeller for Ventus cM folding propeller for Ventus 2cM hinged blade connections for Speed Cana...

Find out more

Measuring system

fdl
The flight data logger (FDL) is a measuring system which is used during flight testing or on free-flying wind tunnel models. It records the data collected by the sensors, drives the actuators and cont...

Find out more

Type certification

discus2c
We offer support during type certification procedures SFL GmbH supported Schempp-Hirth Flugzeugbau during the type certification of its high-performance glider Discus 2C. High-performanc...

Find out more

Airfoil development

nurfluegel
We developed a precisely adapted wing airfoil for a flying wing. This project involved: Airfoil design Calculation of airfoil properties Comparison of calculations and measurements Determinatio...

Find out more

Vela

A test aircraft in a scale of 1 to 30 (wing span 3.30 m) which was commissioned by Airbus. SFL GmbH was commissioned to carry out the design, construction and installation of flight and measuring elec...

Find out more