Hull Vane and TotalEnergies conducted a pilot project by installing a Hull Vane® on one of the company’s chartered Fast Support Vessels (FSVs) in order to reduce the CO2 emissions. Following successful sea trials, which confirmed the predicted savings in fuel consumption and CO2 emissions, and having used the Hull Vane® for several months in operation, TotalEnergies confirms the fuel saving of 11% in general.
The pilot project was done on Ava J McCall, a 59m (194 ft) Fast Support Vessel owned by Seacor Marine, and designed by Incat Crowther. The vessel is in operation in West-Africa, transporting goods and personnel to the oil fields offshore Nigeria. Ava J McCall is powered by five waterjets, with a combined propulsion power of just over 10.000 kW. Hydrodynamic studies at Hull Vane showed that the Hull Vane® would save around 10% in fuel consumption at the ship’s typical operating speeds of between 15 to 25 knots. The Hull Vane®, built in the Netherlands, was shipped to Ivory Coast where it was installed during Ava J McCall’s scheduled maintenance period in late 2022.
The Naval Architects of Incat Crowther USA took care of the structural integration of the Hull Vane®. The Hull Vane® is placed underneath the waterjets, and does not increase the draft, the beam or the length of the vessel. Upon completion, DP trials showed no effect on the Dynamic Positioning Capabilities of the vessel, which has DP-2 notation.
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