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Douglas Marine Master Mooring Junior Device
Douglas Marine Master Mooring Junior Device

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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Douglas Marine

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:

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

  1. Attach a slack warp alongside the spring as a security measure.
  2. Deploy a second, independent mooring line for reassurance.

These precautions are especially important when the yacht is left unattended for long periods.

Douglas Marine Junior

Douglas Marine Master Mooring Junior Device Data Sheet

Download (606.48KB)