Intact-stability margin for a ro-ro vessel with ramp down on beach - accounting for loss of reserve buoyancy forward.
Formula
$$ GM’ = GM_0 - \frac{I_{ramp}}{\Delta} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $GM_0$ | Intact GM before ramp | m | stability booklet |
| $I_ramp$ | Waterplane opened by ramp | m⁴ | GA drawing |
Sources
- SOLAS II-1 Ch. II-1/17.