Wednesday, November 30, 2011

Underwater ROV

This is an ROV ("Remotely Operated Vehicle") that I made out of PVC and assorted hardware. Underwater Rovs are used for search and rescue, underwater repair, and anything else where a robot can be substituted  for a human in a sub-par "this place sucks, why am I here doing this?" type of environment. My ROV is small and more like a toy than a tool, but hey.
Its on a 45' cat five tether, and controlled via 4 double pull double throw switches. The rov itself has six motors. with 4 pairs of wire in the cat 5 and six motors, there had to be some sneaky wiring done. The motors are synced in pairs of 3. for example, if the "left" switch is thrown, the left motor comes on. the right switch, the right motor. however, when both switches are thrown in the same direction a 3rd motor comes on. I really didnt think of it at the time, but it probolay dosent help with power consumption as 1 motor probolay maxes out the 24 gauge wire.. haha. theres also some leds that come on in different colors depending on direction of thrust. heres the controller. its a 4" PVC end cap. The two tanks on the top of the the wing create near-neutral buoyancy.
heres some more pictures of the ROV

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