TM 1-1500-204-23-11
(5) Arc Method. This method uses a pair of
the fastener location. This technique is very accurate
dividers to scribe an arc; from the initial arc, two other
and easy to perform. Figure 7-25 represents the arc
arcs are scribed; where they intersect is the center of
method.
Figure 7-26. Arc Method of Locating Blind Fastener Holes (Sheet 1 of 3)