
VGWS Rigging Details
In their story “Working-Class Wing” (Professional BoatBuilder magazine No. 140, page 60), Greg and Patrick Johnston describe their development of the variable geometry wing sail, or VGWS, as a practical… Read more »
In their story “Working-Class Wing” (Professional BoatBuilder magazine No. 140, page 60), Greg and Patrick Johnston describe their development of the variable geometry wing sail, or VGWS, as a practical… Read more »