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Sand Seabed (Mantus, Excel, Spade, Rocna, Fortress). Anchor Test Video #99
February 13, 2021 · 29 min · 14K views · Port Townsend
What this video covers
Steve Goodwin tests five anchors in a newly identified, loose sand seabed to evaluate their performance during a 180-degree veering maneuver.0:33 The test protocol involves an initial 500-pound straight-line pull, followed by a 1.5-knot sideways veer through 180 degrees, and a final maximum-thrust pull of 1,150 pounds.1:47 The anchors tested include a 10-pound Fortress FX-16, 17-pound Mantus M1, 17-pound Excel, 22-pound Rocna, and 21-pound Spade S60.2:01 The 10-pound Fortress FX-16 demonstrates the highest holding power, remaining engaged throughout the test with minimal movement.19:08 The 21-pound Spade S60 performs as the second-best anchor, maintaining stability despite a minor release caused by an underwater obstruction.13:15 The Mantus M1 and Excel both experience releases during the veer but reset immediately.9:10 The 22-pound Rocna struggles with excessive motion and fails to hold beyond 690 pounds of thrust.17:42 Separately, a 12-pound Viking anchor suffers permanent structural deformation after its toe wedges into a boulder during a search for testing sites.3:48
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