S-Classes

1967 Jüri Hool (EST)

S-250

1975 Toomas Mets (EST), World record

S-350

1984 Art Raudva (EST)

S-500

1991 Aldur Raudva (EST), 3 World records

S-550

2008 Lechoslaw Rybarczyk (POL), World Champion 2001, 2002, 2006 and 2008

S-750

S-850 (see also F4)

1972 Luigi dell'Orto (ITA)

2010 Brian Shulver (GBR)

2003 Hirvensalmi, Finland

SST-45

2006

SST-60