In this case study we investigate the increase in resistance of a planing hull caused by two outboard engine skegs. The results with skegs are compared to becnhmarked calm water resistance results of a bare hull. Seven different speeds are tested, with Froude numbers ranging beween 1.1 and 2.5.

Consistent meshing procedure and simulation settings are used with and without the skegs, to ensure that the results can be compared. It is shown in the study that the total resistance incrased by as much as 22% due to skegs at higher speeds. This resistance increase is significant and needs to be accounted for in the design stage.

If you would like to see the details of the study, please follow the buttom below.

Steer clear of sea trial failures.