To start, I suppose you could call me a bad student. For some reason or another I would either forget or just be too tired to even bother updating this these past few weeks. Regardless, I spent time before I built my ROV looking at different designs and trying to imagine what a simple ROV would entail. First I started with this rectangle. I imagined housing everything inside the protective PVC, so I would not run the risk of having my components damaged.
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| My initial design with the top missing. |
My second picture is of it assembled completely for the first time, minus the GoPro. After zip-tying the wires down I instantly noticed a problem which I had to address - the cables ran the risk of running into the propellers.
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This was the first design before I ran the cables. One motor in the front faced down, controlling
the pitch (vertical mobility) of the ROV. The two motors in the back controlled the yaw (horizontal mobility). |
I fixed this dilemma by moving the two motors forward into the center of the ROV, which also provided better stability.
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Here is the completed prototype I designed. I've learned many things
using this build. |
One of the things I've learned is that I need to drill small holes into the corners to let water in faster so it will equalize in the water much more easily. Another thing I have learned is that the controller, while perfect for the lab we had in class, would be extremely difficult to use out in the field. Small adjustments are just not possible with the lack of how the switches are. I will also need a few more motors to have even more control over it. All in all, I plan on continuing this project. I wish to leave something behind that will be usable for future OCE1001 Lab students.
Tomorrow I will update this with the dimensions of my ROV. I'm too tired tonight.
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