Brackets and mounts
ROV Support Vessel - Integrated Bow Thruster
- Bounding box
- 1202 × 468 × 160 mm
- Engine
- 3D Printing B-rep
- Parameters
- 22
- Published
- November 1, 2026
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The prompt
## Modification: Integrated Bow Thruster Tunnel Modify the existing ROV support vessel design. Keep the overall vessel dimensions at 1200 mm length and 450 mm maximum width. ### 1. Bow Thruster Position - Do not place the thruster tunnel at the extreme front tip of the pointed bow. - Position it immediately behind the forward bow taper, where the sharp bow begins to transition into the wider main hull. - Place the tunnel low in the forward hull, below the waterline when the vessel is loaded. - Center it symmetrically along the longitudinal centerline of the vessel. - Integrate the tunnel into the hull structure. Do not create a large exposed pipe hanging underneath the boat. ### 2. Motor-Fitting Tunnel - Design a circular transverse tunnel that passes from port to starboard through the hull. - Make the tunnel diameter a configurable CAD parameter. - The tunnel must accommodate a real waterproof electric thruster motor or a purpose-built bow-thruster assembly. - Do not assume that a generic motor can simply be placed inside a bare tube. Include space for the actual motor housing, propeller, mounting brackets, wiring, and water flow. - Use a provisional tunnel inner diameter of 70 mm ONLY if the selected thruster assembly fits within that dimension. Otherwise, adjust the diameter to the measured motor and propeller assembly. - Add mounting surfaces and removable access panels so the motor can be installed and serviced. - Reinforce the surrounding hull walls without unnecessarily increasing the external tube diameter. ### 3. CAD Requirements - Keep the tunnel aligned horizontally across the vessel. - Ensure the tunnel does not intersect the hull bottom, internal bulkheads, or other structural components. - Preserve the smooth V-shaped bow and realistic hull proportions. - Make the tunnel and its mounting components separate editable CAD features. - Provide a cross-sectional view showing the motor installation space and tunnel wall thickness. Update the existing CAD model rather than creating an unrelated vessel. Do not claim that the tunnel is compatible with a specific motor until its actual dimensions have been verified.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall hull length | 1200 mm | 800 – 1600 |
| Maximum beam | 450 mm | 200 – 600 |
| Keel to deck height | 130 mm | 60 – 250 |
| Keel rise at bow tip | 45 mm | 0 – 120 |
| Tunnel X station from stern | 950 mm | 600 – 1150 |
| Tunnel axis height above keel | 55 mm | 25 – 100 |
| Tunnel inner diameter | 70 mm | 50 – 120 |
| Tunnel liner wall thickness | 5.3 mm | 3 – 10 |
| Liner length port to starboard | 340 mm | 200 – 500 |
| Reinforcement collar outside diameter | 96 mm | 78 – 140 |
| Reinforcement collar length | 12 mm | 4 – 30 |
| Motor housing diameter | 62 mm | 40 – 66 |
| Motor housing length | 120 mm | 60 – 200 |
| Propeller diameter | 64 mm | 40 – 68 |
| Number of blades | 3 mm | 3 – 4 |
| Access hatch length | 120 mm | 60 – 200 |
| Access hatch width | 80 mm | 40 – 150 |
| Access hatch plate thickness | 6 mm | 3 – 15 |
| Hatch offset from centreline | 90 mm | 40 – 150 |
| Terminal box length | 60 mm | 30 – 120 |
| Terminal box width | 40 mm | 20 – 80 |
| Terminal box height | 30 mm | 15 – 60 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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