Underwater ROV “Alioli”
This time I have decided to write this article in English because I have been able to get a lot of information. Thanks to that, most of the information I found to help me with...
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This time I have decided to write this article in English because I have been able to get a lot of information. Thanks to that, most of the information I found to help me with this project was in English.
A long time ago, I tried scuba diving, and after some time, I decided to do a course to get my PADI certificate.
From that moment, I started dreaming about getting 3D previsualization of the underwater areas where I was doing scuba diving. So I told myself that I would get an Underwater ROV done for this purpose someday.
I don’t know if we are in the right moment of that “thought future”, but there is never a wrong moment to start doing something different, something new, something that teaches you, something unimaginable. So, some weeks ago, I decided to continue this project. I will be publishing my immediate improvements in several posts.
The process of building something is just a step-after-step process. First, 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 your small thing is getting more extensive and reliable.
The 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 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 these tips:
You should know that there are 3 kinds of connections for the O-ring:
The 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.
As you can see in the image “TORICA2”, when the cover is closed very strongly 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 cut the cover, so I will go for the way it is done in “TORICA1”.
It is very important that O-rings won’t move. They should be clean when installed. You can put a little silicone grease so they won’t overdry and slide properly when closed. They should get to their right place and position comfortably and softly.
A little grease means it should be shiny but don’t put too much because it will affect the isolation, get grains of sand or hair stuck too easily, and this will bring problems when they are supposed to work underwater.
This is the basic information you should know about pressure underwater:
The next article details “How I designed the frame for my Underwater ROV“.
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Nice Job, good luck with your “alioli”
Awesome project Juanmi!
Muy buen trabajo Juanmi, sigo tus publicaciones desde que empezaste con el ROV, tambien estoy haciendo uno pero no lo tengo tan adelantado, he estado un tiempo atascado con el programa, ahora ya me funciona casi como yo quiero.
Un saludo