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Gentlemen:
The british aircraft manufacturers use a "Tautness Meter" to check the tension on a cable, tie rod or RAF wire. It was a device with two rollers that could be put on the wire and by deflecting the wire between the rollers determined the tension in pounds on an indicator on the devce. The wire could be adjusted accurately to the specified
tension. I would assume the French and Germans had simular devices. Over tightning would damage the attachment fitting and turnbuckle or clevis. To describe the rigging procedure ,say for an S.E.5a would require about four or five full parts and a lot of time.
Blue skies,
Dan-San Abbott
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