Showing the effect of weight adjustments.
With 2 adults on board, one on the seat and one down below the trim is about right, and full control is achieved even with the rudder half up.
With a slim teenager on the seat and an adult in the fore deck the rudder is sufficiently out of the water to make control on the wind difficult. Full contol was regained by dropping the rudder to the normal position.
Leaning out as far as I can. It feels as solid as a rock with no suggestion that we might go over.