Five to one scope means you'll have a 1000' dia area to swing in when you anchor in 50' of water. The norn in Alaska and not far from it in Pudget Sound. That huge area will need to be free of rocks, shallows, other boats swinging and all other hazards ......... at low tide. And when the tide comes in your'e scope will be less.
For me now that I'm in Puget Sound crowded a anchorage's will take the place of small and deep so I still have real need for short scope performance. Many anchors are considerably better at short scope like the Manson Supreme, Danforth, Claw, XYZ, SARCA, Navy and others I'm sure.
Your Smith guy said to an anchor tester that one should anchor at 5-1 and then shorten up so even he didn't say his Rocna was above average at short scope or claim the test results to be wrong. If the Rocna actually had excellent performance at short scope one would think he of all people would defend his product. .... But he didn't.
If the wind dosn't blow chain will reduce swinging area dramatically but when the wind picks up it dosn't mater much.
I think we'd all be better off if we had anchors that performed well w no chain and at short scope. At less than screaming winds chain will then then increase performance even more.
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