„The construction of the device needed to answer to a number of problems. The video camera was to be an autonomous device, able to spend one year in freezing saline, with no check-up or maintenance,” says Wiktor Krzeszewski, the other co-owner of the task force Warsaw startup.
The first challenge was a strong enough power source. “Ultimately, we used a specialized battery, which is ten times more capacious than the car battery, despite its small size,” says Blazej Żyliński. Another problem was the issue of water-tightness of the device and its resistance to the aggressive influence of sea water pressure for a long time. „To create the housing, we used surgical steel. We covered it also with an additional layer of paint that is used to protect the sides of ships,” explain engineers with TechOcean.
In the case of the viewfinder, their choice was not a polymer, but glass, 1 cm thick, which is used in blast furnaces. „Now the viewfinder is not only able to withstand the ocean pressure at a depth of approx. 100 m, but is also resistant to scratches,” points out Żyliński.
The third technological challenge was the design of the video camera itself, namely saving the collected data – photos and videos – for a whole year. „We tested the maximum capacity of numerous SD cards available on the market today. However, it turned out that in the case of such a large amount of data, the advertising claims of the manufacturers of SD cards concerning their capacity do not always coincide with reality. Thus, at that stage we were challenged with saving large photo and video files, but finally managed to solve this problem,” say engineers with TechOcean.