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@gbj_tester
Or informed opinion, one or the other. All the fancy purple anodizing can't cover the fact that most of that stuff was extremely primitive compared with current mass produced gear. The computer power available back then made it so, FEA was all but non-existent, and CNC machines had only 3 axes unless you were Northrop-Grumman. On any objective performance criteria, that stuff simply can't compete with even modest modern gear.