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Scratchbuilt ROV

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Old 08-15-2016, 12:54 PM
  #1
elephunk
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Default Scratchbuilt ROV

Hi guys, I'm looking for some help if someone fancies throwing their 2 cents in.....

My son and I are starting to plan to build an ROV for exploring lakes and canals and such. I have a good idea how to accomplish it, but am just looking for help choosing some key components.

So the ROV is going to have a frame built from 21.5mm pvc pipe in the shape of a box, then I will attach the components inside.
My initial idea for the thrusters is to have one motor inside 110mm pvc pipe mounted centrally at the front, split into 2x 50mm thrusters on the back, one left side one right to balance thrust. This motor will be run in reverse to give reverse thrust.

Wihile I was researching what other people have used before for thrusters, one thing that has struck me is the documentation for this kind of thing is quite old, well what I've found anyway. The most common choice has been modified bilge pumps. While I don't have a problem with this, they are kinda bulky and I was wondering if anyone here had a better recommendation. I don't mind the bilge pump idea, but to me they just seem a bit bulky and I just have a feeling there is a better option available that I am missing. I have seen brushless motors can be run in water, but not having any knowledge on this I need to ask for help of someone with some knowledge.

The next one is waterproof servo's. I am looking at adding rudders to the thrusters, so I've had a quick look on ebay and can see there are servos claiming to be waterproof, but havent found one to give an IP rating. So could I use one for this application??

In reality this sub is going now lower than 20m max.

Last one is bi-directional propeller. Havent the foggiest where to begin so any help with this would be greatly appreciated.

Many thanks in advance
Iain
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Old 09-06-2016, 06:57 PM
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Gato.Submarine
 
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I posted and it was put on hold. is it going to be released?
I offered links to areas that will help this individual work on their ROV. When I posted it said it would need to be reviewed and approved. May I ask why?

Last edited by Gato.Submarine; 09-07-2016 at 09:44 AM.
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Old 09-28-2016, 02:07 AM
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elephunk
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Quote:
Originally Posted by Gato.Submarine View Post
I posted and it was put on hold. is it going to be released?
I offered links to areas that will help this individual work on their ROV. When I posted it said it would need to be reviewed and approved. May I ask why?
Thanks for trying to help Gato.Submarine
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