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Step 10Tether
To connect the ROV to the controller, I am using 100 feet of Cat 5e Ethernet cable. It has 8 wires, which fit in with my plans nicely. I might add a second cable if I have more features I need to run, but for now it looks good.
This is plenum rated Cat 5, meaning that it can be pulled through walls using a fishtape. The covering is tightly shrunk and has a thin nylon cord inside that helps distribute the load over the entire cable. This makes it more durable and reduces that chance that I damage the cable from load stress.
I will need to add floats to the cable because it will probably sink due to its weight.
The connector I used is a Bulgin Buccaneer Ethernet connector. It makes it easier to transport the ROV by separating the cable and the robot. Bulgin tests their connector thoroughly, and this is supposedly rated to 30ft for 2 weeks and 200ft for a few days. As I am planning on going no more that 100, this is well within the limits.
This is plenum rated Cat 5, meaning that it can be pulled through walls using a fishtape. The covering is tightly shrunk and has a thin nylon cord inside that helps distribute the load over the entire cable. This makes it more durable and reduces that chance that I damage the cable from load stress.
I will need to add floats to the cable because it will probably sink due to its weight.
The connector I used is a Bulgin Buccaneer Ethernet connector. It makes it easier to transport the ROV by separating the cable and the robot. Bulgin tests their connector thoroughly, and this is supposedly rated to 30ft for 2 weeks and 200ft for a few days. As I am planning on going no more that 100, this is well within the limits.
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...could be wrong, was couple times afore, but I think 'plenum' cable is cable which uses insulation that does not produce harmful vapors when burned. In some commercial buildings, a/c return-air is run (without ducts) in the space between the room ceiling and the floor above it, ie the 'plenum'. If a fire ever broke out, this specially-designed 'plenum' cable would not release toxic fumes into the a/c system air flow which would injure or kill all living creatures within the air conditioned space.
Other than that, thanks for the info here. I have been working on my own system, mostly to get live pics in the canals here in S. Fla. My interest is in getting the 'real' closeups of the many 'gators that live here; maybe one day I'll get some neat shots as my mini-cam gets swallowed whole!
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