Righting lever GZ at a given heel from the KN cross-curve value and current KG.
Formula
$$ GZ = KN - KG \cdot \sin(\phi) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $KN$ | Cross-curve value at heel | m | stability booklet |
| $KG$ | Vertical centre of gravity | m | loading computer |
| $\phi$ | Heel angle | ° | input |
| $GZ$ | Righting lever | m | result |
Sources
- Derrett & Barrass - Ship Stability Ch.18.
- IMO IS Code MSC.267(85).