Sur Catawiki, je viens de découvrir une maquette de moteur rotatif fabriquée en Pologne en 1972. cette maquette devait être un matériel pédagogique destinée à des élèves.
Dans moins de 24 heures elle aura été vendue aux enchères.
Tant que le lien fonctionne vous pouvez la voir sur : https://auction.catawiki.com/kavels/22088269
Voici la description issue du site internet :

Good - 24×14×26 cm - Steel (stainless)
Qualification: Original/official
Type of Object: Models/profile/engines
Material: Steel (stainless)
Brand/Model or Title: Driving school model of Wankel engine BioFiz
Condition: Good
Year (youngest object): 1972

Dimensions: 24×14×26 cm
Driving school model presenting Wankel engine's work. The ignition is imitated by light bulb which is powered by 4,5 V battery (they're added to the model).
This is model's profile.
The model was produced in 1972 by BIOFIZ factory in Poznan, Poland.
This object is completely efficient, it's in its original condition, there are a few traces of use visible. The condition is very good - as showed in the photos.
The model is made from aluminum and steel. Its base is wooden. On the base there is producer's signature.
Measurements:
base 26 cm x 14 cm
height 24 cm
Shipping: the model will be securely and precisely packed and sent by courier with insurance and tracking.

Et quelques photos :











Avis aux amateurs ....

Modifié par un modérateur vendredi 22 janvier 2021 11:50:59(UTC)  | Raison: Non indiquée

Oui, c'est là que je l'ai découverte.
Dommage, elle était hors budget...

Philippe