For most uses of the ridgeline, the paracord is way overkill. So are the standard throwlines. Just calculate the loads on the line, which is a function of the difference between the hang angle of the hammock and the hang angle of the lines going to the trees.
It is thorougly usable, of course. But, note that the more you deviate in one direction from Warbonnetguy's recommended set up, putting greater tension on the ridgeline, the more the paracord ridgeline will stretch. Nylon is very stretchable under load. Set the hammock up so the ridgeline is just informational, as Brandon implies with his test of tightness, and there will be so little tension on the paracord that the hang won't change much.when it does stretch during the night. And then, it is obvious that something much lighter would suffice.
Note: It should be obvious that this response assumes usual use of the ridgeline. If the ridgeline extends to the trees, and the hammock hangs from it from prusiks, short or long, that is a different configuration, and obviousl the ridgeline needs to be strong for the tensions for the portions of the line between trees and prusiks.
The formulas are there to estimate / calculate the tension. A table of tensions for combinations of angles would be valuable. You'd see how often strands extracted from the Zing-It or Lashi-it, or 100 lb test fishing line would enough.
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