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Scuba Forum / Scuba Equipment / June 2004can some one give me some advice ???
helloo..... Hi i'm making my sub and i'm lookig for some advice... I don't have so many experience with the scrudder system to refrech air so i'm looking for some one who can help me.... I got my sub already in my mind and i think i can make the sub that is no problem but the only thing that got my attention now is the air in the sub. I want to make a scrudder to clean the co2 from the air but i don't know haw... so if some one kan help me please let me now. I got the following quistion. Is it right if i say that i don't have problem to go down and come back to surface so many time to refresch air becuase the presure in the sub will be 1 bar all the time?? How can i make a scrudder (homemade) simple ........ and if some one can tell me if my sub is DANGERUS becuase of the design....i'm not gooing deeper than 20 meter (65,62 foot).... Wath i wont is ,,,to stay adlease 30 min below....... the total air volume in my sub will be around 400 liter (87,99 gallon us) If some one can help me please.... Please forgive me for my bad english....:-) Regard MasterDigi ps- I have put i pict of my plans for the sub on the internet at http://www.themasterdigi.com/vash.jpg > helloo..... > [quoted text clipped - 21 lines] > Wath i wont is ,,,to stay adlease 30 min below....... the total air volume in my sub will be around > 400 liter (87,99 gallon us) It looks as thought that is a wet sub. A scrubber is probably dangerous in such a situation. I'd say use a regulator and two or three tanks with a manifold. I see no external dump-able ballast which would be strongly indicated. Wel no it is not a wet sub but a dry sub in that case will it be dangerous too??? I will keep the presure at 1 bar... > > helloo..... > > [quoted text clipped - 32 lines] > manifold. > I see no external dump-able ballast which would be strongly indicated. > Wel no it is not a wet sub but a dry sub in that case will it be dangerous > too??? > I will keep the presure at 1 bar... With just a scrubber there is a potential for danger. You need to research rebreathers and that technology. The cost of adding such to the machine you propose will probably not add a lot to the over all design , building and testing of a dry sub capable of those depths. I see the hull is not a cylinder and the clear(?) top is not spherical. Have you calculated the forces involved? |
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