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Underwater ROV “Alioli”


Juanmi Taboada
Underwater ROV “Alioli”

This time I have decide to write this articles in English because I have been able to get a lot of information thanks that most of the information I found to help me with this project was in English. You will have to forgive my lack of a proper grammar in this language. 🙂

A long time ago I tried scuba diving and after some time I decide to do a course getting my PADI certificate.

From that moment I started dreaming about getting 3D previsualization of the underwater areas where I was doing scuba diving and I said to my self that someday in the future I will get an Underwater ROV done for this purpose.

I don’t know if we are in the right moment of that “thought future” but there is never a bad moment to start doing something different, something new, something that teaches you, something unimaginable. Some weeks ago I decided to go on with this project. An I will be publishing my near improvements in several posts.

The process of building something is just step-after-step process. Point to some near and easy target and go for it, then find another checkpoint that improves the first one and then go for it, until you small thing is getting bigger and reliable.

Basic information

First step for me was to get enough information about whatever it will be my Underwater ROV (named “Alioli” because of my kid’s name’s Alan & Oli, in Spanish “&” is read as “e”, so it sounds and said in English as “Al-e-Oli”…but also Alioli is a famous sauce in Spain made of “mayonnaise with garlic”).

During the process I got this tips:

O-ring:

You should know that there are 3 kind of connections for O-ring:

O-ring (“Junta Tórica” in Spanish) should work like the first image “TORICA1”, being the o-ring a little bigger than the distance between the wall and the cover. In this way, the o-ring will not deform more than it should and deformation will end then the cover will hit the wall when it is closed strongly.

How you can see in the images “TORICA2” when the cover is closed very strong the O-ring will deform as it would be a flat join.

The way is done in “TORICA3” is also right but it is more difficult to make cut to the cover, so I will go for the way is done in “TORICA1”.

It is very important that O-ring won’t move, they should be clean whe installed. You can put a little of silicone grease so they won’t over dry and they will slide properly when being closed. The should get to their right place and position comfortable and softly.

A little of grease means it should be shiny but don’t put too much because it will affect to the isolation, it will get grains of sand or hair sticked to easily and this will bring problems when they supposse to work under water.

About pressure

This is the basic information you should know about pressure under water:

Depth, Pressure and Surface Equivalent

The next article shows details about “How I designed the frame for my Underwater ROV“.

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Comments

  • Doverman

    Nice Job, good luck with your “alioli”

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