Page 52: of Maritime Reporter Magazine (January 2021)

Tech Files

Innovative products, technologies and concepts

Massive Type 31 Frigate

Crab Catchers

Propelled by Schottel

Factory Takes Shape

Schottel

Ten new crab-catching vessels for the Russian crab-catching companies Antey, Merlion and

Babcock

Aqvainvest will be propelled by Schottel. They

Babcock awarded a $43m contract to Robertson Construction for will be built at different shipyards in Russia and the development of a new Assembly Hall at its Rosyth site. The are designed by Damen as design type CC 5712.

Assembly Hall will initially be used for the Type 31 general purpose

Eight will be constructed at Nakhodka and a frigate program. Advances inside the hall include the use of hand- further two at Brothers Nobel shipyard. They are held devices that will underpin the ef? cient ? ow of materials. Gantry scheduled to enter operation from 2020 to 2024. stair access inside the structure also removes the need for traditional

Each of the 57.7 x 12.6-m ice-class vessels scaffolding, enabling safe access to the vessels without leaving will be equipped with one four-bladed Schottel the building. Additionally, three new panel lines, a cornerstone of

ControllablePropeller type SCP 774 featuring

Babcock’s digital transformation at Rosyth, will create ef? ciencies in a propeller diameter of 2.8m and driven by a the manufacturing process. Work has already started on the refur- 1,620 kW, diesel engine (750 rpm). With this bishment and extension of the existing manufacturing bay which will con? guration, the vessels will achieve a free house the panel lines. Each PEMA production line is based on mod- running speed of approximately 12 knots. For ern shipbuilding technology that enables Babcock to raise its level improved maneuverability, each new build will of automation. PEMA Thin plate panel line is equipped with the also be provided with one 400 kW Schottel latest technologies, such as plate edge milling and robotic welding

TransverseThruster type STT 1 CP.

which enable high-quality production of various panel types. PEMA

T-beam fabrication line is designed to make straight T-beams without any additional straightening processes.

Wave MiniBOSS Bilge Water Separator

A new version of the Wave MiniBOSS IMO which is the IMO worldwide standard. Addi- separator is now available. The Series II Wave tionally, the system can be supplied to clean

MiniBOSS offers a faster ? ow rate, providing bilge water to 5 ppm if a vessel is operating in 0.5 cu. m./hr. across all models providing more a sensitive or Particularly Protected Sea Area ? exibility for customers. All models of the sepa- (PPSA) as certi? ed by the IMO. rator are available for DC or AC power. Once ? tted, the Wave MiniBOSS is designed

Approved by the IMO, ABS and US Coast to be easy to operate.

Guard, it is MEPC 107 (49) certi? ed for use on The indicator panel enables users to simply all vessels from 400 gt. set the required out? ow quality. The oil water

The Wave MiniBOSS is a neatly designed monitor retains an 18 month log of bilge pump- bulkhead mounted system. Its ? lter technology ing operations. Replacement cartridges are removes all trace of pollutants down to 15 ppm available globally.

Wave MiniBOSS 52 Maritime Reporter & Engineering News • January 2021

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