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.
Photo 6: Set the feet firmly. Jump on the lowest rung to set the ladder firmly and to test for stability. If the ladder tips to one side, move it aside and adjust the depth of the hole. Even with the ladder at the correct angle, it can still tip sideways if the feet aren't level with each other and on solid ground.