Fournier produced the Volkswagen-powered RF-1 single-seat motor-glider with a high-aspect ratio low-mounted wing, registered F-WJGX it first flew on 6 July 1960.
[1] Fournier followed it with an improved variant, the RF-2 using a Rectimo AR.1200 engine, the first of two-built, with the help of Centre Est, first flew in June 1962.
[1] Fournier started a company Societé Alpavia to manufacture a production variant of the RF-2, named the RF-3.
An aerobatic variant with a strengthened airframe was produced as the Fournier RF 4.
Data from Jane's All The World's Aircraft 1965–66[2]General characteristics Performance