length between perpendiculars (LBP definition
length between perpendiculars (LBP means the distance between the forward and the after perpendiculars; the forward perpendicular shall be coincident with the foreside of the stem on the waterline on which the length (L) is measured; the after perpendicular shall be coincident with the axis of the rudder stock on that waterline;
length between perpendiculars (LBP means the distance between the forward and the backward perpendiculars; the forward perpendicular shall be coincident with the foreside of the stem on the waterline on which the length (L) is measured; the backward perpendicular shall be coincident with the axis of the rudder stock on that waterline;