NTNU Gunnerus Open Data Repository

NTNU open ship data · CC BY-NC 4.0

R/V Gunnerus

A real, working research vessel, documented in full and published openly. Production drawings, a 3D model, engineering documents, structured metadata and data measured at sea, ready for research, teaching and tool development.

Browse the drawings Open the ship explorer Download the repository (.zip)
15Drawings
3Formats each
5Engineering docs
13D model
Loading 3D model (3.6 MB)…
Drag to orbit · scroll to zoom · right-drag to pan · click a part to identify it
SFI group
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Grouping and item numbers by NTNU, from the C-JOB list of main equipment. How the parts were grouped · Ship explorer: every part linked to the drawings, documents and measured data

Length o.a.
36.25m
Length b.p.
33.90m
Breadth mld.
9.60m
Depth 1-deck
4.287m
Draught, oper.
2.50m
Deadweight
169t
Frame spacing
500mm
Class
DNV +1A1 Ice C E0 R2

Main particulars as stated on Lines Plan Rev0 (polarkonsult). In service since 2006, home port Trondheim.

Why this exists

Complete ship data is usually locked away

Design and engineering material for a vessel is normally proprietary. That makes it hard for students and researchers to work on a realistic, complete ship. This repository opens up one real case, so everyone can work on the same vessel.

  • Research

    Ship design, hydrodynamics, structures and digital ship models, on a hull that exists and sails.

  • Teaching

    Student projects and courses built around full drawings, not simplified textbook examples.

  • Benchmarking

    A shared reference for validation and reproducible experiments across groups.

  • Digital tools

    Test data for digital shipbuilding tools, CAD pipelines and exchange formats.

Production drawings · A0 sheets

Fifteen drawings, each in DWG, DXF and PDF

From the general arrangement and lines plan to shell expansion and the fire zone plan. Drawing units are millimetres. Frames run from 0 at the aft perpendicular at 500 mm spacing.

PDF opens GitHub's viewer. DWG (AutoCAD 2018, AC1032) is the authoritative source; DXF is the ASCII exchange format.

3D model & engineering documents

Beyond the drawings

3D CAD model

Hull and superstructure modelled by C-JOB from the same source data as the drawings. The viewer above uses a simplified glTF copy made by NTNU, kept in derived/.

FileFormatSize
Gunnerus 3D Model Rev0.3dmRhinoceros 3D396 MB
Gunnerus 3D Model STEP Rev0.stpSTEP (ISO 10303)728 MB
derived/3d/gunnerus.glbglTF, simplified (NTNU)3.5 MB

Want to steer her? Pilot Gunnerus through Trondheim harbour in the OpenBridge simulator demo, built on vessel.js.

The two CAD files are stored with Git LFS. Cloning without LFS gives small pointer files; use the links above or git lfs pull.

C-JOB engineering documents CC BY-NC 4.0

Supporting documents from C-JOB project 25.1142. All Revision 0, status preliminary, December 2025.

metadata/gunnerus_metadata.json

The general arrangement, as data

The GA drawing read into structured JSON: decks and spaces, tanks and equipment. Every entry carries its SFI group code and, where the mapping is unambiguous, a DNV VIS/GMOD v3.10a top-level node, so it joins against other SFI- or VIS-coded datasets.

Loading metadata…
View the JSON on GitHub Structure, units and known limitations null means the drawing does not state the value.

Traceability

Where the sheets disagree

Values are kept as printed on each sheet rather than silently corrected. These are the known differences.

QuantitySheet ASheet B
DeadweightGA Gunnerus Rev1164 tLines Plan, Engine Room Arrangement169 t
Depth to A-deckGA Gunnerus Rev16.60 mLines Plan, Engine Room Arrangement6.687 m
Built yearFreeboard Plan Rev02005Safety Fire Zone Plan Rev02006

operational/ · measured at sea

Gunnerus at work

Measurements from the vessel in service: ship motion, machinery, crane and the sea around her. Each case comes from a published study, and the study is the reference for how it was done and what it found.

Study · 31 October 2023

Wave-shielding experiment

Holding position on DP in Breisundet, west of Ålesund, Gunnerus was turned in seven 15° steps between two wind seas nearly 90° apart, while a wave buoy measured the calmer water on her lee side and an accelerometer measured the crane hook.

Window
10:00–12:10 UTC, seven cases of about 15 minutes
Sensors
Seapath GNSS + MRU, DP wind, Palfinger crane angles, azimuth and tunnel thrusters, engines, Miros wave radar and RangeFinder, crane-hook accelerometer, LainePoiss wave buoy (50 Hz)
Data
Eight CSV files, about 16 MB, with a data dictionary and the extraction script

165–180° to the main wave gave the least crane motion and a reasonably calm lee. At 90–120° the shelter was most effective, but the crane moved more.

Wang, T., Skulstad, R., Holmeset, F.T., Halse, K.H., Hildre, H.P., Zhang, H. (2025). Full-scale experimental research on wave shielding effect of RV Gunnerus for offshore operations. Ocean Engineering 320, 120189. doi:10.1016/j.oceaneng.2024.120189

Experiment, set-up and results: the paper above. Dataset organised by Jisang Ha and Henrique M. Gaspar (NTNU).

Open the case on GitHub Read the paper

Loading the operational data…

Seven headings, case by case

Angles from the paper (Table 3). Motion statistics are standard deviations over each case, computed from the published files. Click a row to highlight the case above.

Files

All times UTC. Units and sources for every column are in channels.csv; processing and known issues in the case README.

Operating profile · 30 October – 3 November 2023

Power and energy profile

Five days of the ship's own machinery log: when the three engines ran, how they shared the load, what the azimuth drives did, and where the fuel went, split into stationary, station-keeping, manoeuvring and transit, with the track on a map. Every number is marked as measured, derived or assumed.

Data
7,200 one-minute rows: speed, GPS position, three engines (load, fuel, speed), two azimuth drives
Not measured
Electrical power, generators, switchboard, batteries, tank levels
Study
None yet: the classification and the page are ours, the measurements are the ship's logger data

About half of the week's fuel was burned in the roughly 12 % of the time spent in transit at about 10 knots.

Data from Robert Skulstad (NTNU), organised by Henrique M. Gaspar (NTNU). Fuel is the logger's value and looks computed from engine load.

Open the power and energy page Open the case on GitHub

Credit & licence

Who made it, and how you may use it

Designer · original drawings

polarkonsult

All published material traces back to polarkonsult originals. Polarkonsult keeps full rights to use and adapt the design commercially.

polarkonsult.com

Derivative drawings · 3D model · documents

C-JOB

Nine drawings in extended/CJOB/, made with NTNU from polarkonsult drawings, plus the 3D model and engineering documents.

c-job.com

Owner, operator · publisher

NTNU

R/V Gunnerus is owned and operated by NTNU and supports research in biology, technology, geology, archaeology, oceanography and fisheries.

ntnu.edu/gunnerus

CC BY-NC 4.0

  • Open for non-commercial use. Use, share and adapt the material for research, teaching and other non-commercial work.
  • No commercial use without approval from polarkonsult.
  • As is. Provided without warranty, responsibility or liability of any kind.

Licence summary · Full text

How to attribute

Gunnerus open data, courtesy of polarkonsult, published by NTNU. Licensed under CC BY-NC 4.0 — https://creativecommons.org/licenses/by-nc/4.0/

If you modified the material, say that changes were made. Dataset authors: Jisang Ha jisang.ha@ntnu.no & Henrique Gaspar, henrique.gaspar@ntnu.no - September 2026.

How to cite

doi:10.5281/zenodo.22983657

If you use the data set in a publication, please cite it. This DOI always resolves to the latest version; for a fixed version, use that release's DOI on Zenodo.

Ha, J., & Gaspar, H. M. (2026). Gunnerus Open Data Set: drawings, 3D model, metadata and operational data of the research vessel R/V Gunnerus [Data set]. Zenodo. https://doi.org/10.5281/zenodo.22983657

@misc{gunnerus_open_data,
  author       = {Ha, Jisang and Gaspar, Henrique M.},
  title        = {Gunnerus Open Data Set: drawings, 3D model, metadata and operational data of the research vessel R/V Gunnerus},
  publisher    = {Zenodo},
  year         = {2026},
  doi          = {10.5281/zenodo.22983657},
  howpublished = {\url{https://github.com/shiplab/gunnerus}},
  note         = {Drawings and design data courtesy of polarkonsult; derivative drawings, 3D model and engineering documents by C-JOB and NTNU; published by NTNU. CC BY-NC 4.0}
}

Using the operational data?

Also cite the study each case comes from. For the wave-shielding experiment:

Wang, T., Skulstad, R., Holmeset, F. T., Halse, K. H., Hildre, H. P., & Zhang, H. (2025). Full-scale experimental research on wave shielding effect of RV Gunnerus for offshore operations. Ocean Engineering, 320, 120189. https://doi.org/10.1016/j.oceaneng.2024.120189

The power and energy profile has no study of its own yet: cite this repository and name Robert Skulstad as the provider of the data.

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