How is a Centerline Finder used in notching?
basic notch starts with laying up the tube where you want the joint.
Temporarily secure the tube so it can be marked and placed into the
Position yourself to view both tubes at the intersection from a right
angle perspective so you can accurately mark both the centerline of the
tube (to be notched) and the intersecting point(s). The more accurate
the marks - the better the resulting notch will fit.
What is important to know is that as long as the centerline of the tube
to be notched is correctly marked in relation to the joining tubes -
your notch will come out correct.
(More details can be seen at our
Notching 101 tutorial)