Design

Design

FUSION Vehicle Design

The FUSION exemplifies attention to detail by breaking from tradition with a new approach to underwater vehicle design. It isn’t simply about coupling a suite of sensors, thrusters, and batteries, but integrating them in such a way that produces a capable, stable, and reliable underwater vehicle.

FUSION Vehicle Design

Design

Rethinking traditional “Flexible Platform” vehicle design by creating a vehicle built around a specific set of superior sensors enables the FUSION to be more streamlined. This design philosophy removes excess like interconnecting cabling, connectors, pressure vessels, and compromise.

Material selection was carefully thought out to not only meet the demands of operating at depth but also create an easy-to-maintain vehicle. Composites are used where possible as well as minimal use of stainless steel to help FUSION combat the difficult environment and minimize magnetic signature.

Further refinement includes the use of a single exterior fastener, a titanium M5 x 16 socket head cap screw. No longer is the need for an extensive tool roll or exhaustive technical training.

Thrusters

One of the critical components of every underwater vehicle is the thrusters, which must be powerful, efficient, and reliable. The FUSION thrusters are another innovation that emphasizes all requirements and adds a few more clever features.

With a goal of achieving the highest velocity possible the FUSION thrusters produce impressive numbers and not only Bollard thrust but also thrust at speed. When conditions are difficult the thrust is there to overcome strong current in all directions.

The six identical thrusters utilize a custom-designed brushless DC out-runner style motor for maximum efficiency. The use of the out-runner design and internally located motor controller allows the thruster to be flooded, which eliminates the often troublesome shaft seal.

Should a thruster become fouled the propeller guard is removable without tools and should a thruster need to be replaced the quick release mechanism allows replacement in seconds. Plus the internally mounted motor controller means thrusters are incredibly inexpensive.

FUSION Vehicle Design - Thrusters

Batteries

Endurance, rapid change, and safety are all kept aspects of the FUSION battery design. The dual Lithium-Ion battery packs provide sufficient power to conduct 3-4 hour missions under typical conditions. Constant monitoring provides the operator with battery capacity and when the packs are low they can be swapped in minutes with the extra set included.

Safety is paramount and the FUSION battery packs do not compromise. The packs are certified UN38.3 for commercial air travel, have a built-in pressure release valve and sophisticated battery management system.

FUSION Vehicle Design - Batteries

Computational Fluid Dynamics

FUSION capitalizes on modern design tools with the use of computational fluid dynamics (CFD). During the entire design process, CFD aided in ensuring even the smallest features are optimized for maximum efficiency. This efficiency translates to greater velocity, increased stability, and extended endurance.

FUSION Vehicle Design - Computational Fluid Dynamics

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