The submarine is now taking shape and looking more and more
like a finished product. Since the last laboratory session the motors have been
placed in film canisters with Vaseline and sealed in. Two of these have then
been attached to the back of what is to be the submarine, what is currently the
top of a plastic bottle. After being sealed using epoxy and PVA glue (as an
extra precautionary layer) it was then wrapped in red electrical tape and drawn
on for aesthetic purposes.
In the laboratory session an additional power supply and
switch were added to the circuit, the diagram of which is in the previous blog
post. This was then tested, with it working we are now neatening and finishing
the circuit for it to be implemented in the submarine.
We also waterproofed and tested the ultrasound component in
the water, though this didn't return good results and so we need to come up
with a solution for the next laboratory session
We also successfully sealed and filled the tank we are
testing the submarine in. This was done by filled all the holes with cork, both
ends then sealed with white tac and then on the outside tape was added for
added security.
Below is a video of the motors being tested in the water.
Tasks for next week:
Finish submarine casing
Neaten and finalise circuit
Test AUV as a final product in
tank
Evaluate progress and final result
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