Interesting links
Technical competences
https://www.aerofem.com/de/branchen/luftfahrt
AeroFEM GmbH is the leading Swiss company for structural analysis, FEM, CFD
AeroFEM did all the FEM, CFD and flutter analysis for the 1comet.
https://www.mh-aerotools.de/
Dr. Martin Hepperle`s page. Martin did the basic aerodynamic layout of the 1comet.
https://www.solar-flight.com/
Eric and Irena Raymond’s page. Eric, the pioneer of solar flight, served as consultant for our project for extreme light-weight design.
https://schmerlat-aviation.ch/#experience
Experience in aircraft repairs and composite prototype manufacturing
https://www.hq-modellflug.de/theory.htm#Flugstabilit%C3%A4t
Dr. Helmut Quabeck comes from model flying. Interesting, if you have some mathematical background.
Software
https://www.xflr5.tech/xflr5.htm
A superb tool to check airfoils and wing
Youtube channels
https://www.youtube.com/channel/UC6a5hujlVVZpxC4WfEqVAbg
Stefang Langer`s YouTube channel – great!!!!
Interesting technical papers in fluid dynamics and other
https://www.mh-aerotools.de/company/paper_15/Hepperle%20-%20Elektrisches%20Fliegen%20Stuttgart%202015.pdf
Paper by Dr. Martin Hepperle on electric flight. You find more interesting articles on Martins page- see above
https://www.researchgate.net/profile/Louis-Boermans
by Prof. Dr. Boermans – a good all over resumé of some developments in Delft
http://ak-ptuj.com/e107_files/public/1511726405_5_FT3170_393-1486-1-pb.pdf
by Johannes J. Bosman, Refinement of Glider Aerodynamic Design using CFD - when you want to learn more about fuselages
https://voloavela.it/attachments/article/555/Diana2_Design-and_Performance_article.pdf
by prof. Dr. Krzysztof Kubrynski – when you want to know what is important for a glider airfoil
Associations
https://www.ultralight-glider.fr/fr/
L’association française pour le Développement du Planeur Ultra-Léger
https://www.dulv.de/index.php/
Seiten des Deutschen Ultraleichtflugverbandes (DULV) e.V.
https://www.shv-fsvl.ch/en/
Swiss hang gliding and paragliding association
https://www.segelflug.ch/
swiss gliding association
https://www.experimental.ch
swiss experiental aircrafts
Standards
https://aeroeast.net/pdf/standards/ltf-ul.pdf
LTF-UL 2003, the mayor norm for UL-flight
https://dvll.de/wp-content/uploads/2016/09/LTF-L.pdf
LTF-L the norm for 120 kg aircrafts
https://usppa.org/far-part-103-ultralight-vehicles/
ultralight, part 103
https://www.fedlex.admin.ch/filestore/fedlex.data.admin.ch/eli/cc/1994/3076_3076_3076/20171012/de/pdf-a/fedlex-data-admin-ch-eli-cc-1994-3076_3076_3076-20171012-de-pdf-a.pdf
Verordnung Hängegleiter Schweiz
https://www.easa.europa.eu/en/downloads/1595/en
CS22, the main standard applicable for gliders
https://www.dhv.de/fileadmin/user_upload/aktuell_zu_halten/technik/ltf/LTF_NFL_HG_GS_2-565-20.pdf
Lufttüchtigkeitsforderungen für Hängegleiter und Gleitsegel