Various ship owners are already using slow steaming to reduce fuel costs. The saving potential of reduced speed is thus exhausted. Furthermore, the EEXI regulations are requiring additional efficiency improvements in order to meet the CO2 reduction targets. MMG retrofit propellers are offering additional potential to reduce fuel costs and CO2 emissions.
Swapping the ship‘s propeller for one aligned with the new operating profile increases efficiency and reduces fuel consumption. In combination with the MMG-Escap®, ship owners can achieve fuel savings of up to 14 percent. With MMG rebuying your old propeller the return on investment can be achieved after six month already.
MMG performs extensive calculations to determine the achieveable saving potential of a retrofit/redesign propeller. We are able to incorporate over 2.000 operating points thanks to our Multidata Design Concept (MDC) - from real-life ship speeds to weather and load conditions. We test the predicted saving with our Numerical Propulsion Simulation (NPS). Model tests performed at ship model basins have confirmed the NPS results.
The Virtual Contact Test (VCT) ensures that propellers can be replaced within one docking intervall. With VCT the conical hub bore is measured precisely down to a hundredth of a millimeter and aligned with the design data of the existing shaft while still in MMG works. Our engineers will tests the dimensions of the ship's shaft using a mobile measuring unit, if required.The VCT makes the traditional blue fit test for the fit accuracy between shaft cone and propeller fully superfluous.
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