ROV robot Descent303 - first diving test

This is our first dive! Everthing went quite well. The controlling isn't that easy, but with a little experience definitely ok. The video swings slowly from left to right and back all the time, because the signal cable dragging. But the position control will fix this... There is still much more to do. The gyroscopes and the pressure sensor want to be read out, for example. In the spring of 2011 we will take a bath in a local sea and dive to a depht of 75 meters. This will get exciting again... All the technics should be finished then.

Thx again at martin nonstatic. Your work is great! Search martin-nonstatic at soundcloud.com

Category:

Science & Technology

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[webpro12]

May I ask what brand of cable you are using for the tether, and where you bought it from?

[peachmunich]

@webpro12: Hi. The cable is a standard CAT5 Network Cable. It works fine. And is very cheap. I bought mine form Pollin.de where 100m cost about 30 Euro.

[12ock]

try salt water......

[peachmunich]

@12ock: not possible unfortunately... The Materials and the technics like the motors would get demaged very soon. But pictures of colourfull corals would be nice.

[joboxjoboxjobox]

@ Messinaroundinytown

hi! Wireless isnt possible. The problem is, that you need a huge bandwith for transmitting the video-stream. As a consequence you need high frequencies --> not possible in water. The ROV will dive 100m --> maximum depth.

[MrTristanPlaysGuitar]

What did you use for the user interface (ie, how did the pilot turn on/off/reverse motors?

[Messinaroundinytown]

Wireless would be possible quite easily. Google Xbee underwater. Get some arduino's for controllers and you're good.

[12ock]

still i love the place were you experiment i wish i had one of this tanks

[peachmunich]

@NDoorn93: Wireless isnt possible, pity! But im lucky to have a cable fixed on it. So i can pull it out in worsed case... ;)

[NDoorn93]

@peachmunich Yup, maybe you can show the controls when you are diving. (or make it wireless)