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RC controlled underwater robot

I am working on a project to build a remotely controlled underwater robot to work in pure water tank. The max depth the robot has to dive is 40cm, and the robot has no over-the-water antenna. I ...
0
votes
0answers
38 views

Combining data from 9DOF IMU

My team and I are building an AUV and are planning to replace the existing 6DOF MPU-6050 sensor with a 9DOF Adafruit BNO055 sensor. However, we're unable to figure out how to combine the data from the ...
1
vote
1answer
125 views

AUV Lipo Battery capacity

I'm making an AUV that requires 15-20 minutes of operating time. I'm using 6 of these motors (Blue Robotics T200 Thrusters) for propulsion; I'm looking for 6S lipo batteries (22.2V) but i don't know ...
34
votes
11answers
44k views

Preventing leaks in motor shafts for underwater bots

Whenever building an aquatic bot, we always have to take care to prevent leakages, for obvious reasons. Now, holes for wires can be made watertight easily--but what about motors? We can easily seal ...
18
votes
3answers
681 views

What's the most effective type of rechargeable battery when taking into account size / weight / Ah?

I'm looking to build an underwater glider robot that will need to remain autonomous for long periods of time, perhaps even months. Power draw should be minimal, and I'm thinking of including some form ...
11
votes
1answer
1k views

Choosing the right dimensions for an underwater glider

I'm looking to potentially build an underwater glider, a type of submarine that's slow but can operate on extremely low power draw. However, in order for it to work effectively I've found several ...