Homebuilt ROVs Forum

Higher the voltage, the lower the current. If you use an inverter ( they are getting cheap now) you need to allow for starting current of the motors, not just the rated running current. Also, you can get cheap 600w petrol gensets. Small and quiet. Because it is a floating system electrically wise, y...

Your local refrigeration repair place is a good source for a wide range of plastic fans. They generally have a heap of second ones lying around of all sizes and shaft sizes.

I have condidered experimenting with a neutral bouyant machine with one appropriate pump and a number of solonoid controlled orfices acting as thrusters. By upping the voltage I could get away with a decent pump on smaller supply cable. Then one control wire for each valve and the common would be on...