| Histoire résumée | Monoplace à aile haute, construit comme planeur école. Construction conventionnelle en bois. Ailes haubanées. Fabriqué en série.
One example of Wolf Hirth's Wolf had arrived to Hungary in 1937 and became very popular among glider pilots. Ernõ Rubik designed a new glider, the Pilis, to meet the demand for such kind of gliders. The new design was based on the line of Szittya gliders but with reduced dimensions. The prototype, which later got the type designation of R-08a, had first flown on March 19, 1939. New versions followed and the Pilis was one of the gliders built in greatest number in Hungary.
Of the version R-08a, which inherited the Szittya's gull form wing and "curved" fuselage outline, only one example was built. The curved form of the fuselage caused problems with proper flaring, and a new version, the R-08b, was developed with "straight" fuselage outline to eliminate this disadvantage.
The type was authorized for bungee-cord, aerotow and winch launching, cloud flying and basic aerobatics.
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