Douglas Marine Master Mooring Junior Device
OSC-01.207.01
Top Quality Mooring Springs
Marine Grade Stainless Steel
Specially engineered elastomers (rubber inserts)
Douglas Marine Rated Break Load and Elasticity
Suitable for stern to mooring
4 Sizes for yachts up to 20 tonnes displacement
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Manufactured in Italy from marine grade stainless steel HR and specially designed elastomers (rubber inserts that provide the shock absorption)
Master Mooring Device Facts, Features and Plus Factors:
- Balanced Load bearing capacity
- High load bearing shackle end connectors
- Rated Manufacturer Break Load
- Rated Manufacturer Elasticity
- Sizes 1, 2 and 3 have the same break load but the shore hardness of the elastomer is different to create the right degee of elasticity for the weight of yacht
Douglas Marine publish a manufacturer minimum break load for reassurance:
| Size | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Douglas Reference | 806-0017 | 806-0018 | 806-0019 | 806-0019PLUS |
| Osculati Reference | OSC-0120701 | OSC-0120702 | OSC-0120703 | OSC-0120704 |
| Displacement | < 9 tonnes | 9-13 tonnes | 13-17 tonnes | 17-20 tonnes |
| Dimensions: Ø x length | 85mm x 420mm | 85mm x 420mm | 85mm x 420mm | 85mm x 420mm |
| Working Load | 7000 kg | 7000 kg | 7000 kg | 7000 kg |
| Elastic Capability | 160 kg | 250 kg | 450 kg | 750 kg |
| Elongation | 120mm | 120mm | 120mm | 120mm |
| Douglas Break Load | 15000kg | 15000kg | 15000kg | 20000kg |
Jimmy Green Rigging Team Advisory
- Attach a slack warp alongside the spring as a security measure.
- Deploy a second, independent mooring line for reassurance.
These precautions are especially important when the yacht is left unattended for long periods.
