BGF45

BGF45

Client

Bluegame

Year

2025

Design Team

Mario Caponnetto & Andrew Baglin

Technical Specs

45 foot pleasure yacht, foil-assisted multihull.

Following the successful collaboration on the BGH-HSV project, the Bluegame shipyard decided to team up with CH again to develop a foil-assisted multihull capable of drastically reducing fuel consumption while simultaneously increasing comfort at sea. The synergy with Caponnetto-Hueber has resulted in what is perhaps the flagship boat of 2025 in its category.

Challenge / Brief

Bluegame is a shipyard with innovation ai its soul and courage at its heart, just like CH. The client’s brief was simply to revolutionize boating, as usual, drastically reducing the yacht’s fuel consumption and increasing comfort, especially in rough seas. The foil solution was the one chosen and CH’s task was to find the best combination of hull and foil that satisfied a long series of requirements. An optimization that is possible only using sophisticated calculation tools.

Approach / Methodology

Dozens of hull and foil combinations were tested in RANS. Ultimately, the best solution was a fixed central foil, without control surfaces, relatively submerged but no deeper than necessary to increase the propeller immersion. Starting with straight-line simulations in calm water, the best candidates moved on to seakeeping simulations to check the reduction in vertical acceleration and then maneuverability, verifying banking angle and lateral acceleration. It was quickly realized that the aft stabilizers (elevators) present on similar boats could be eliminated.

Outcome / Impact

      • CFD simulations on STAR-CCM+
      • Tested as validation tool for in-house VPP
      • Dynamic simulation of ships degrees of freedom: Surge, Sway, Heave, Roll, Pitch and Yaw.
      • Simulation and control of devices’ control variables, e.g. rotation rate (RPM), sail inventory and configuration.

Technical Datasheet

Dimensions

Software

Testing Protocols

Read Full Article

BGF45

30% more efficient sport yacht developed with Bluegame / Sanlorenzo.

CFD for +6-DoF Hydro with Aero simulations

Simulation for optimization and validation of WASP ships with different methods.

USV Preliminary Design and Feasibility 

Preliminary design of a highly modular unmanned surface vehicle (USV).

Would you like to discuss a project?