ROV PHOCA
ROV PHOCA is a remotely operated underwater vehicle of the COMANCHE type. It was built by sub-Atlantic, Aberdeen, Scotland and is owned by the GEOMAR - Helmholtz Centre for Ocean Research Kiel. Its smaller size compared to the ROV KIEL 6000 and therefore it's deploy ability from medium-sized research vessels makes it a complement to the QUEST type ROV. It can dive up to 3000m (9842.52 feet) and was designed as a Work-Class- and Intervention-ROV.
It is characterized by these features:
- 2 manipulators facilitate different sampling procedures
- Digital video cameras on pan-&-tilt units are used as survey and mapping devices
- It is fitted with the following auto-functions: depth, heading and altitude
- The digital telemetry system SubCanTM provides real time data transmission
- A payload of up to 100 kg allows the integration of different additional scientific equipment
- ROV PHOCA is deployed in the so-called live-boating mode, i.e. it is directly connected to the respective vessel via a steel armoured optical fiber cable
ROV PHOCA's main employment will be the installation and maintenance of the deep sea observatory MoLab, but also within other multi-disciplinary projects such as projects by the Cluster of Excellence "The Future Ocean".[1]
Technical Specifications
| Type: | Comanche 21, electric "Workclass" ROV (sub-Atlantic) |
| Working Depth: | up to 3000 m |
| Measurements: | length: 2,1 m, width: 1,3 m, height: 1,35 m |
| Weight: | in air: 1500 kg in water: buoyant |
| Propulsion: | 7 electrical DC propeller SPE-250 |
| Speed: | max. 2,5 Knots |
| Station Keep (dP): | ± 0,5 m |
| Auto Heading: | ± 5° |
| Deep Sea Cable: | 2700 m @ 19 mm, 1,3 t/km in air = 3,5 t, 1 t/km in water= 2,7 t in max. water depth; 3 high-voltage conductors @ 4 mm²; 3 LWL (single mode) |
| Digital Telemetrie: | SubCanTM |
| Scientific Payload: | up to 100 kg |
| Hydraulics: | Pump 15 kW with 39 lpm @ 207 bar to power two manipulators. |
| Transport: | 2 1/2 20'-ISO-Container. Total weight 30 t.[2] |
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References
- Overview ROV PHOCA, GEOMAR - Helmholtz Centre for Ocean Research Kiel, 2012
- Technical Specifications (German), GEOMAR - Helmholtz Centre for Ocean Research Kiel, 2012
External links
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