Solved: Allemano's № 849 - 1923 Hélices Ratier

[Allemano]

.. and finally something very special.

Name that mashine and a point is yours.

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[Allemano]

finally moved.

[RayTheRat]

Leyat?

[Allemano]

Leyat?

No, not that.

[M630]

Ratier 1923 by Paul Dreptin.

[Allemano]

Ratier 1923 by Paul Dreptin.

Almost there.. Locked for you to tell me what the project was called.
Excuse as I'm not good in French I hope it's part of the name what I'm waiting for... 

[M630]

In french : "voiture Ratier à hélices" or "automobile à traction aérienne" (automobile with air drive).

[Allemano]

Right! Point added!

[Wendax]

Some more info:
This propeller-driven car was built in 1923 by Paul Dreptin and Paulin Ratier, head of Hélices Ratier. It weighed 1000 kg and reached 130 km/h. The Janvier-Sabin four-cylinder engine of 3200 cc displacement developped 60 to 70 hp. It was a hybrid car, because the driver could choose the means of propulsion: by propeller, classic wheel-driven or a combination of both.

[Allemano]

Must have been spectacular to watch and listen to that engine. Top speed was VERY adventurous I guess..