Fantastic R/C Sopwith Triplane
Directors
Sopwith Triplane : “self-made meeting” Huttwil Switzerland
Builder / Pilot: Alain Fontana / president group Les Frelons in Vullierens
scale: 1:3
wingspan: 2,720 m
height: 1,070 m
weight: 17 kg
engine: Fiala 80 cc with starter
propeller: 26×12