Anchor Holding Power - Wilson / Stevens
Anchor holding power for common merchant-ship stockless anchors (Wilson coefficient × anchor weight) - basis for assessing single-anchor holding in wind/current.
Holding power
294.3kN
Formula, assumptions, and limits
3× factor is Wilson empirical multiplier for stockless in sand. HHP = 2× stockless (IACS A1). SHHP = 4×. Seabed factor: sand reference.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Anchor mass | kg | certificate | |
| Type factor | - | IACS A1 | |
| Seabed factor | - | Wilson (1967) |