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DualDocker XS and DualDocker S for smaller yachts and also for parallel docking complementing L and XL!


1.) DualDocker standard lengths

Chart of standard lengths & forces - go to download section


Please also take a look at our model of international standardisation.

2.) Harbour adapter
The harbour adapter is fixed to the pier or floating dock with 4 anchor bolts. The surface is ideally concrete, but wood is also possible.
a) Harbour adapter - single version: To mount one DualDocker arm.
b) Harbour adapter - twin: To mount two DualDocker arms.
For new marina installations the harbour adapter can be moulded in the concrete. Maximum stability, perfect design solution!


3.) Arms
a.) DualDocker arm 'fix' (green rope):
The arm is installed and fixed with bolts, so that it does not move at all.
Possible adjustments in 5° steps or 1° steps for even more precise positioning.
Max. range: -20° / +20°

b.) DualDocker arm ' rotation & bolted' (grey rope):
The DualDocker arm is moveable in a sideways direction and is continuously adjustable and bolted (maximum range: : ± 20°)


4.) The DualDocker Ball
In order to obtain the best possible connection 'DualDocker & yacht 'we took the car tow bar as an example.
The geometry of the 'ball' has eventually made the race.
It meets all requirements:

• perfect connection between ball and socket without play
• perfect connection which can convey high forces
• ball geometry allows movement in all directions

'DualDocker combi-cleat', 'ball' or 'ball cleat adapter'
3 possibilities to connect to the DualDocker:
a.) The yacht is equipped with 'DualDocker balls'
b.) The DualDocker combi-cleats replace the conventional stern cleats
c.) Tailor-made cleat adapters attached securely to the existing cleats.

5.) DualDocker shock absorber

First pulling step: A soft spring with a spring force of 150 kg and a range of 80 mm provides soft suspension.
Attention ! The shock absorber in synchronised with the spring line.
When using the spring line it has to be tightened by hand. A little slack is acceptable.
The first pulling step is activated with rising wind force. After about 30 mm the spring line starts to tighten itself and takes over the force. The lever effect on the cleats is decreased.

Second pulling step: This spring is considerably 'harder'. This second step is activated in stronger winds and acts in combination with the spring line attached to midship

The shock absorbers characteristic curve is synchronised with the spring lines. During a storm the spring line takes up most of the pulling force. The strain on the DualDocker is relieved, the lever effect eliminated. 

6.) Elevation Angle

7.) Material & production:
Material: The DualDocker is made out of high-quality saltwater-resistant V4A stainless steel (1.4571 / 316Ti).
Guiding elements: All flexible elements are mounted in saltwater resistant and maintenance free plastics.
Production & Quality Management: Production uses state-of-the-art CNC technology. Quality Assurance is based on ISO 9001.

• Available lengths: 1,20 m - 3,60 m. The short DualDocker assures best lateral stability.
  
• The harbour adpater is fixed to the pier with 4 anchor bolts
  
• The two arms allow flexible adjustment
  
• The ball cleat adapter as the perfect interface
  
• The shock absorber's main task is to minimise kinetic engergy
  
• Elevation angle: - 45°/+70°
  
• High-quality, saltwater resistant materials used in production process according to ISO quality assurance