The 1966 PIK-17a Tumppi (‘Shorty’) was a single-seat shoulder-wing sailplane of wooden construction. With a Wortmann luminaire wing profile, the max speed was 235 km/h.
The 1968 PIK-17b Tintti (Thermal Updraught) was of GRP construction.
PIK Pik-17 Tumppi / Pik-17 Tintti
All Aero 