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Design of a Retractable Landing Gear for the Sagitta Demonstrator UAV

Nikodem, Florian and Möller, Frank and Gallun, Patrick and Bierig, Andreas (2017) Design of a Retractable Landing Gear for the Sagitta Demonstrator UAV. DLRK 2017, 05.-07. Sep. 2017, München.

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This paper gives an overview about the development of the retractable landing gear for the SAGITTA demonstrator, a flight testbed for future UCAV (Unmanned Combat Air Vehicle). Due to the Special requirements of the SAGITTA demonstrator and the lack of suitable COTS (Commercial-of-the-Shelf) solutions available on the market, an entirely new development of the retractable landing gear was necessary. The first part of this paper describes the design process and the special challenges for the development of a small high-performance landing gear under the technical constrains of the SAGITTA project. Subsequently, the landing gear development including shock absorber and brake system design and the tests, carried out at the specially developed test stand, are discussed. The main focus lies on the use of handbook formulae for larger aircrafts landing gear design that are applied to the requirements of a small UAV in this paper. The conducted drop-tests of the developed landing gear showed satisfying results.

Item URL in elib:https://elib.dlr.de/114590/
Document Type:Conference or Workshop Item (Poster)
Title:Design of a Retractable Landing Gear for the Sagitta Demonstrator UAV
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Nikodem, Florianflorian.nikodem (at) dlr.deUNSPECIFIED
Möller, Frankfrank.moeller (at) dlr.deUNSPECIFIED
Gallun, Patrickpatrick.gallun (at) dlr.deUNSPECIFIED
Bierig, Andreasandreas.bierig (at) dlr.deUNSPECIFIED
Date:31 August 2017
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:UAV, Demonstrator, Landing Gear, Sagitta, Retractable
Event Title:DLRK 2017
Event Location:München
Event Type:national Conference
Event Dates:05.-07. Sep. 2017
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Safety Critical Systems&Systems Engineering
Deposited By: Nikodem, Florian
Deposited On:10 Oct 2017 15:15
Last Modified:31 Jul 2019 20:12

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