I would observe that I think second guessing is a healthy part of any well controlled process and the goal of this framework is certainly not to restrict second guessing, rather itâs to improve judgment quality and thereby the acceptability and credibility of the judgment with those charged with second guessing them.
They can be flat root, fillet root, or major diameter fit. The purpose of this type of spline is to allow for angular misalignment between the shaft and mating detail. This is accomplished by crowning the male tooth. The tooth (usually) has a symmetrical crown about the centerline of the spline face-width.
Prop Splines. Count the teeth on your prop shaft to determine spline count. Prop splines are the little teeth you see on your prop shaft and inside the prop hub. The number of splines on the shaft and inside the prop must match for the prop to fit your boat. A Pin Drive prop application has no splines. The prop is secured to a smooth prop shaft with a pin through the shaft.