Page 49: of Maritime Reporter Magazine (June 2022)

Tech Files

Water Jets, Thrusters, Propellers

Schottel Thrusters for U.S. “Scrubber Barge” h l l SRP ill bi d d bl il d h chottel won a contract to supply SRPs will run on biodegradable oils and the alignment of the propulsion rudder propellers on a self-pro- (EALs). The scope of delivery includes units are controlled and distributed by

Spelled barge-based vessel stack the complete electrical package, which a software in such a way that all trans- exhaust capture and treatment system. comprises electric motors, frequency lational and rotational movements re-

It will be produced and operated by drives as well as a portable control sta- quired for manoeuvring the barge are

U.S. company Clean Air Engineering - tion for the Schottel MasterStick. The executed optimally. The ship’s move-

Maritime, Inc. (CAE-M), based in San Schottel MasterStick is a joystick sys- ment can thus be controlled intuitively

Pedro, California. The system is called tem which can control up to six propul- and comfortably in any desired direc- the Marine Exhaust Treatment System sion units simultaneously. The thrust tions.

or METS-3 and was designed by Fass- mer Techincal Projects, to be built at

Greenbrier Companies, Inc, Portland,

Ore. Additional METS systems will be produced and operated in several other

California seaports. The 26 x 13m barge will be operated by CAE-M to capture and treat stack exhaust of vessels in the

Ports of Long Beach and Los Angeles,

California. The main propulsion system of the barge consists of two electrical- ly-driven Schottel RudderPropellers type SRP 150 (400 kW each) featuring propeller diameters of 1.2 metres. The

Images courtesy Schottel

Brunvoll to supply for Esvagt ‘green fuel’ SOV runvoll won a contract for a com- plete propulsion and maneuvering

Bpackage for the new Service Op- eration Vessels (SOV) for Esvagt. The vessel is HAV Design 833 SOV and will be built at Cemre Shipyard, reportedly the world’s ? rst SOV able to operate on ‘green fuels.’ Brunvoll’s delivery will be propulsion azimuth thrusters, retractable azimuth thrusters, tunnel thruster and

BruCon condition monitoring system.

The Brunvoll azimuth propulsion thrust- er family is an extension of Brunvoll thruster technology. The vessel will be

HAV Design equipped with Brunvoll’s new Condition

Monitoring System (CMS). The CMS is part of the BruCon control system family and is a layer-based platform with exten- sive cyber security improvements Brun- voll CMS support the new DNV class noti? cations for Condition Monitoring.

Brunvoll www.marinelink.com 49

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