3.5cc Tamas Tarr
Own Design Boat, Novarossi Keep engine with Novarossi 50054
 tuned pipe and a Futaba FC-16 radio.

3.5cc - Mathias Hof
CMB engine, Graupner Radio

7.5cc Julijan Golavšek
Own design hull by his father, Samo Golavšek, using a CMB RS45 Evo engine
and a Futaba FC28 radio.

7.5cc - Mauro Braghieri
Modified Titan Hull, CMB 45RS EVO with integral gearbox
 and Futaba 10C radio

15cc Filip Tin Pazin.
 Galeb 91 hull, CMB RS91 Evo, and Futaba 10CG Radio

15cc - Erich Costa
The boat is his personal design (Sept 2013) and the current boat was made in winter 2015.
Engine CMB RS Evo 2015, Pipe CMB, Gearbox Homemade, Metal gears
Radio Graupner MC 20 hott, servo Graupner, Fuel Labema 20% Nitro

27cc Tibor Kapócs
Tornado 5.2 and a Tiger King engine all controlled by a
 Turnigy radio with FrSky module.

27cc - Christian Hof
CMB engine, Graupner Radio

35cc - Marek Walczak

"Bolek" hull, CMB engine, Radio is Graupner MC-19
with JETI module.

35cc - Mathias Hof
CMB engine, Graupner Radio