French JDA-01 small helicopter

[walter]

Anyone has information on the small JDA-01 compact helicopter developed in France ca. 1954.
It may have been allocated the registration F-PYFH and was shown at the September 1954 St.Etienne Air Fair. The builder is either a Mr. Guy Delannoy or Delauney.
Thank you in advance.
Regards, Walter

 

[Stingray]

Photo:

 

[Delannoy]

vu

 

[Stargazer]

Bienvenue à vous, Guy !

Voilà bien la magie de l'internet : quelqu'un cherche une info, et le concepteur en personne apparaît ! Nous serions bien évidemment ravis d'en savoir un peu plus sur l'histoire de votre prototype, aussi n'hésitez pas à m'écrire en message privé et je traduirai pour les autres membres du forum.


(Welcome, Guy!
Internet magic at its best: someone seeking information and lo! the very creator of the design appears! We would be delighted of course to know a little more about your prototype's story, so feel free to write to me in private and I will translate for other forum members.)

 

[walter]

Dear Stéphane, magnifique!!
I hope you will get a further reaction from M. Delannoy.

 

[Stargazer]

Why Mr. Delannoy removed his comment and left the forum is a mystery...