Engines with four horizontal cylinders giving 40 and 52 CV at 5,500 rpm, with 88 pounds of weight, 65 mm of piston diameter by 68 mm of stroke.

-These engines had a compression ratio from 9 to 1. They were known by the name "Pygmée".

-Motors for light aircraft and motorized gliders. Built by the firm "Survol" (see).

-They were developed by Charles Fauvel and E. de Coucy in Cannes-La Bocca and were built between 1967 and 1974. These engines were mounted on the Pouplume and Fauvel flying wings.