Military Luxury

Hull Vane handed Over for Royal Netherlands Navy Holland class HNLMS Groningen

The first Hull Vane® for the Royal Netherlands Navy has been delivered in Den Helder. This Dutch invention consists of a submerged transom wing which renders ships more efficient and quieter, while improving their seakeeping. This Hull Vane® will be installed in early 2023 on the aft ship of the HNLMS Groningen, an ocean-going patrol vessel of 108 meter, pertaining to the Holland Class. It is quite uncommon for the Netherlands Ministry of Defence to do business directly with small enterprises, but it is becoming more frequent. That is why the term “Golden Triangle”, which refers to the MOD, the industry and the knowledge institutes, is making way for the term “Golden Ecosystem”. Innovations often come to the surface in small companies, and with this approach they can be implemented faster. Hull Vane® is a Dutch invention, and a great example of how MIND has introduced innovations within the MOD.

Hull Vane Handed Over For Royal Netherlands Navy Holland Class HNLMS  Groningen - MilitaryLeak

It all started with a presentation of a paper in Washington D.C. back in 2015. Hull Vane BV, the Wageningen-based company with exclusive rights to the patented invention, had calculated that the wing could reduce annual fuel costs by 13% on this patrol vessel. After this study, interest was raised at the Defence Materiel Organisation (DMO), a division of the Netherlands Ministry of Defence (MOD). Further research work was done to increase the performance, and to ensure the structural integrity during the integration. The main objective was to optimise the sailing characteristics, while maximising its operability. These studies were carried out for DMO and financed by “MIND”, short for “Military Innovation by Doing”.

Hull Vane to be Fitted on Royal Netherlands Navy OPV - Naval News

Bruno Bouckaert, sales director of Hull Vane BV: “This ship cannot be lifted out of the water with a wing, she is way too heavy for that. However, the Hull Vane® works in a completely different way than conventional hydrofoils. The purpose of the Hull Vane® is not to lift the ship out of the water, but to generate a propulsive force and to reduce the wake. When a ship makes less waves, it is more efficient.”

Holland-class offshore patrol vessel - Wikiwand

Niels Moerke, managing director at Hull Vane BV: “Now, more than 40 Hull Vanes are in use. Hull Vane® is proven technology on a variety of ship types. However, the MOD is of particular importance to us. On one hand, it is by far the largest Hull Vane® we have ever built, and on the other hand, it is the first one to be installed on a naval ship. We also love that it is a Dutch naval ship! Hull Vane® works great on this kind of ship, and provides a number of benefits. Maximum performance and employability were the goal, but we have had to comply with a number of additional requirements.”

HNLMS Groningen (P843) - Wikipedia

Besides energy saving, which automatically leads to a reduction of CO2 emissions, the Hull Vane® also offers many tactical advantages for the ship. Due to the suppressed stern wave, the vessel leaves much less visible wake, making her less visible to satellites, drones and even certain types of torpedoes. Helicopter landings will be safer in rough weather, and it is expected that the slipway in the stern can be used more frequently to launch and recover the FRISC, a fast daughter craft. The ship will have a higher top speed, and will be able to cross a long distance faster, e.g. when being deployed for calamities. But above anything else, the goal is to reduce the dependency on diesel fuel. That is valuable in peace time, but even more so during ωαя.


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