Until 2019 shipping small parts would always be cheapest by post.
Starting 2020 this is no longer the case, especially outside the EU.
Using Self steering:
Servo pendulum principle:
Video by Nathan Witworth, winner of a Y&B self steering system in the 2011 Mister V(r)ee video competition:
Video by La Belle Helene from Spain, their entry for the 2011 Mister V(r)ee video competition:
Y&B with the wind from behind. Generally the most challenging course for windvane self steering:
This is why Mister Vee systems do so well in light winds and down wind courses:
Y&B prototype at work, viewed from outside the boat:
Mister Vee Y&B steering a Northbeach 24 with transom hung rudder:
Mounting The predecessor of Y&B, Stainless WALT to the boat.
This process is very simmilar to mounting Y&B.