D/d ratio - drum/rope
| Term | Definition |
|---|---|
| D/d ratio - drum/rope | The D (drum diameter) / d (rope diameter) ratio is a key factor in ensuring cable longevity. It depends on the mechanism classification (FEM/ISO) of the device: FEM/ISO D/d ratio M1 - 1Dm 11,2 M2 - 1Cm 12,5 M3 - 1Bm 14 M4 - 1Am 16 M5 - 2m 18 M6 - 3m 20 M7 - 4m 22,4 M8 - 5m 25 The drums of HUCHEZ winches engineered in compliance with this rule. |
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