February 3, 2021
When trying to lay out the six rivet holes on the big aileron push tube I remembered a trick from high school geometry. If you divide a circle with a compass using the circles radius as the compass setting you will divide the circle into six arcs of the same length.
I started by drawing a line 1/4" from the end of the tube and then setting my compass to 9/16" (the tube diameter was about 1-1/8") I marked myself a starting point and then marked the rest from there with the compass. The result was six evenly spaced holes.
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