Page 52: of Maritime Reporter Magazine (August 2020)

Tech Files

Maritime Propulsion

Schottel SyDrive-M: Hybrid Azimuth Propulsion

Schottel won a new order for its patented SYDRIVE-M system, a hybrid propulsion concept is based on the Schottel Y-Hybrid thruster technol- ogy that connects a port and starboard azimuth thrusters. The contract is to supply the system to UZMAR Ship- yard, which is building a 30.25 x 11.75- m RAmparts 3000 series tugboat for the Port of Aarhus, Denmark’s largest container port. The new tug will sport a pair of Schottel Rudderpropellers type

SRP 430 (2,000 kW each) with ? xed pitch propellers measuring 2.5m in diameter. The azimuth thrusters will be driven by diesel engines, delivering an expected bollard pull of about 65 tons and a free running speed of approxi- mately 12.5 knots. purely mechanical hybrid propulsion ing in operation is now better loaded “Not only does the tugboat have great system with no need for additional by two thrusters and operates in a strength, it also has signi? cantly better maneuverability and thus ef? ciency and electronical components or an addi- better speci? c fuel consumption range, precision in the work it will undertake,” tional gearbox. The system has main leading to less fuel consumption and operation modes: emissions. said Thomas Haber Borch, CEO, Port • Light Operation Mode: In of Aarhus. “It can assist the very large synchronized Light Operation Mode, vessels arriving at Aarhus with pro- one of the two main propulsion engines nounced precision, as it is delivered remains alternating off, leading to a with an Azimuth Stern Drive system.” reduction of operating hours of the

The Schottel SRP-Y Hybrid upper gear main propulsion engines. In addition, module for azimuth thrusters, Schot- the single running main engine remain- tel SYDRIVE-M is a new variable and

Retractable Rim Thruster Electro-Hybrid Drive eVSP Proteus ESS

Schottel launched a retract- HamiltonJet unveiled its Elec- The new electric Voith Schnei- LAVLE launched its ? agship able variant of its rim thruster tro-Hybrid Drive (EHX) system. der Propeller (eVSP) uses a Proteus Lithium-Ion Battery En- covering the power range up to HamiltonJet delivers the elec- permanent-magnet synchro- ergy Storage System (Proteus 500 kW, with internal propeller tric motors, power electronics nous motor as its main drive, ESS), engineered to overcome blades are hydrodynamically and control system integrated fully integrated into the VSP, the limitations of conventional designed to be highly resistant with the waterjets, engines, reducing oil volume. No gears lithium-ion storage technolo- to cavitation. gearboxes or clutches. or transmissions are required. gies. www.schottel.com www.hamiltonjet.com www.voith.com https://lavle.com 52 Maritime Reporter & Engineering News • August 2020

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