Module (planetary-gears)
Ring teeth $z_r = z_s + 2 z_p$; ratio $1 + z_r/z_s$; planet count from spacing.
Documentation/Modules/Module
Sun, planet and ring sizing for target ratio
Standards catalog
Validation: indicative · Method band: formula
Indicative method: Indicative closed-form or numerical model
| Check | IND | US | EU | ISO |
|---|---|---|---|---|
| Actual ratio vs target | implemented | — | — | — |
planetary-gears)Ring teeth $z_r = z_s + 2 z_p$; ratio $1 + z_r/z_s$; planet count from spacing.