Douglas Marine Master Mooring 30 Device
OSC-01.209.01
Ultimate Mooring Spring Shock Absorption
Marine Grade Stainless Steel
Specially engineered elastomers (rubber inserts)
Douglas Marine Rated Break Load and Elasticity
Suitable for stern to mooring
Please enquiry regarding availability
More Information
Manufactured in Italy from marine grade stainless steel HR and specially designed elastomers (rubber inserts that provide the shock absorption)
Master Mooring Device 30 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 varies according to the degree of elasticity required for the weight of the motor or sailing yacht.
Douglas Marine publish a manufacturer minimum break load for reassurance:
| Size | 1 | 2 | 3 |
|---|---|---|---|
| Douglas Reference | 806-0030 | 806-0031 | 806-0032 |
| Osculati Reference | OSC-0120901 | OSC-0120902 | OSC-0120903 |
| Yacht Displacement | 45-55 tonnes | 55-70 tonnes | 70-90 tonnes |
| Elasticity | 2400kg | 2600kg | 2800kg |
| Stroke | 140mm | 140mm | 140mm |
| Douglas Break Load | 27000kg | 27000kg | 27000kg |
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.
