SCHOTTEL to Supply Full Propulsion Packages for Three LNG Bunkering Vessels
SCHOTTEL has been selected to provide complete propulsion packages for three new LNG bunkering vessels (LNGBVs), each featuring a controllable pitch propeller, a retractable rudder propeller, and a transverse thruster. The vessels, each with a 20,000 cbm loading capacity, are under construction at China’s Nantong CIMC Sinopacific Offshore & Engineering Co. Ltd and are scheduled for delivery in 2026 and 2027.
The orders come from UK-based Avenir LNG Ltd, which has commissioned two vessels, and Singapore’s Vitol International Shipping Ltd, which has ordered one. Additionally, Vitol has secured a time charter agreement for one of Avenir’s vessels, beginning in Q4 2026 and lasting seven years, with options to extend up to ten years.
Optimized Propulsion for LNG Bunkering Operations
Each vessel will be equipped with a SCHOTTEL Controllable Propeller (SCP) type SCP 119 4-X, designed for optimal efficiency and reliability. With an input power of 5,800 kW and a propeller diameter of 6,000 mm, these propulsion units enable the 159.9-meter-long, 25-meter-wide ships to reach speeds of up to 15.5 knots. The full-feathering capability of the SCP allows the propeller blades to be adjusted for reduced resistance when not in use, ensuring greater efficiency and longevity with minimal maintenance.
Enhanced Maneuverability with Retractable Rudder Propellers
The propulsion system also includes a SCHOTTEL Retractable Rudder Propeller (SRP 380 R) with a 1,300 kW output and a 2,200 mm propeller diameter. This fully steerable unit provides 360-degree maneuverability, boosting propulsion power and precision positioning. The SRP-R features an 8-degree tilted propeller shaft to enhance efficiency by minimizing interaction with the hull. When not needed, it retracts into the hull, reducing drag and vessel draught for smoother berthing and transit.
Advanced Thrusters for Precise Handling of LNG Transfers
For improved maneuvering, each vessel is equipped with a SCHOTTEL Transverse Thruster (STT 2 FP), delivering 750 kW of power with a 1,540 mm propeller diameter. This thruster ensures efficient docking, casting-off, and precise positioning, even under demanding conditions. The comprehensive propulsion package enhances control, a crucial factor when handling hazardous cargo such as LNG during ship-to-ship bunker transfers.
Innovative Seal Monitoring for Environmental Protection
The SRP-R and STT systems will incorporate SCHOTTEL’s LeaCon seal monitoring system, certified by DNV. This technology prevents seawater contamination by collecting any leaked gear oil or seawater in an intermediate chamber, allowing for early detection of wear and reducing the risk of unscheduled maintenance. The LeaCon system aligns with stringent environmental regulations, ensuring compliance while enhancing operational reliability.
Supporting LNG Growth and Sustainable Shipping
As the global shipping industry moves toward decarbonization, LNG is emerging as a key alternative fuel, offering both environmental and economic advantages. With demand for LNG expected to rise, these bunkering vessels will play a crucial role in ensuring a stable supply while contributing to more sustainable maritime operations.
By equipping these vessels with state-of-the-art propulsion technology, SCHOTTEL is reinforcing its position as a leader in advanced marine propulsion solutions, helping to drive efficiency and environmental responsibility in the shipping sector.
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