Robert Allan Engineering & Design

RAmparts Series

Model RAmparts 2200-SX to 3600 range; -W wide beam, -SD shallow draft variants

Well-proven, multi-purpose ASD tug designs from 22 to 36 m in standardized configurations, with wide-beam (-W) and shallow-draft (-SD) variants.

Description

The RAmparts series are widely accepted, well-proven azimuthing stern drive (ASD) tug designs by Robert Allan Ltd. that have coalesced into a set of relatively standardized configurations. The firm describes them as the most versatile, multi-purpose type of tug in use today, with more than 400 of the series in worldwide service.

Designs are identified by length, e.g. RAmparts 3000, and each hull can accommodate a range of powers with varying beam. Wider beam versions are denoted -W and shallow draft versions -SD. Each design is available in a typical ship-handling configuration with a modest skeg, or in an escort configuration with a much deeper skeg for enhanced indirect steering force.

Key features

Versatile, multi-purpose ASD design
Multiple configurations from 22 to 36 metres in length
Ship-handling or escort skeg configurations
Wide-beam (-W) and shallow-draft (-SD) versions

Applications

Ship-handling, coastal towing, escort and general purpose duties.

Specifications

Length range	22 - 36 m
Units in service	More than 400

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