When dealing with frame sizes, a general rule of thumb is that the centerline shaft height above the bottom of the base is the first two digits of the frame number divided by 3.

Question

Quizplus · Accepted Answer

The general rule of thumb for dealing with frame sizes is that the centerline shaft height above the bottom of the base is the first two digits of the frame number divided by 4, not 3.

When Dealing with Frame Sizes, a General Rule of Thumb