It is an american startup project from fulcrumspeedworks.com.

Weight 50 kg! , 2.70 x 1.70 meter, sail 7.8 sqm

8 kts wind speed gives 15 kts speed



https://www.youtube.com/watch?v=fsOTjI7wi7Y



ronald
RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.