This paper technique is also useful if you have to drill
two holes at 180 degrees apart. Simply mark two lines
on the paper spaced apart by pi/2 times the diameter.
For a 2 inch mast, this would be 1.571 inches.
> I have very good luck with any large tubing of any kind and getting a square
> cut. Just wrap a piece of paper (I use printer paper) around the tubing and
> align the edges that overlap. I then tape the overlap and use a permanent
> marker to scribe a line along the edge. Remove ofr slide the paper out of
> the way and cut the tubing while rotating and follow the line with the saw
> blade. Then dress the cut with a file to get rid of any burrs on the cut
> especially the inside.
> Arne N7KA
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