RURA! - IGLA 2.0 proa: first test with 8 m2 crab claw sail (RoSSY project)

Crab claw sail (8 m2) already tested (Zerdno/Srebrne Lake, Poland, Aug. 2021). Audio source: : 2021_08_04 Club - Andrew Huang 3_41, FynestLyk Noir Et Blanc Vie