assistance needed: comprehensive design suggestions on HOD system.

[Aveon Blitz]

thank you very much, i have learned a lot about how the dry cell works, although i am not fully understanding why it is called a dry cell, probably because the electrolyzier contains the fluid instead of being surrounded by it.

[jdcmusicman]

Yeah thats the reason its called a drycell , its not immersed in water all the water is inside between the plates

[professor]

Do You mean what they call a "Stack"or is that something  different?
How much water does it hold?
How quickly does it evaporate? How do you refill it?
Thanks
professor

Yeah thats the reason its called a drycell , its not immersed in water all the water is inside between the plates

[Aveon Blitz]

Do You mean what they call a "Stack"or is that something  different?
How much water does it hold?
How quickly does it evaporate? How do you refill it?
Thanks
professor

well from what i got, the plates have holes in them(lots of holes), the stacks are comprised of layers of the plates and then rubber gaskets that allow water to pass in between the plates. the water is actually held in a water reservoir, which is attached to a fluid-gas separator, which is attached to both the dry cell electrolyzier and the bubbler.
to see what i mean, to on youtube.com and search dry cell assembly, if you have the faintest hint of cleverness about you, you should be able to figure out how the cell works. i have been attempting to find the advantage of wet cells, especially in the department of application, but i will probably figure that out when i start building both types.

[jdcmusicman]

To Professor::
yes some call it a stack or a brick...My 31 plate cell holds about 1/2 liter of fluid in the cell....with the whole setup ,reservior and stuff total is about 2 liters and have run that setup for 9 hrs straight and only used little over a cup of water..


The drycells I have my 16 plate has only 3 1/4" holes in the tops of the plates, My 31 plate one has only one hole 3/8" in top center of the plates and I have my gaskets cut in a house shape  to move the gas to the holes..Alot of people put bottom holes for fluid leveling , you loose a little electrical efficiency when doing that ..My future design I am currently working on ,well its still in the design stage, will be a drycell design but without any holes whatsoever..I plan to construct a top and bottom piece that will allow gas out the top from between each individual plate and a bottom one to allow water back in each individual plate...If I pull this off I will have a 100% electrically efficient cell, with no current leakage at all...Less current leakage means more MMW....so far the highest I have gotten on my 31 plate cell is 6.41mmw ..
I look to improve that by my new design ,If can ever get the extra cash I need for materials ...One thing I have learned about all this hho study is that it cost to play...But hopefully I will have my no current leakage cell built with the next month or 2.....Oh and by the way about the highest MMW I have ever achieved in a wetcell setup is 3 - 4.4..which is not really that efficient...Drycells using get a 5 or higher all
depending on current ,space gap ,electrolyte mix and so on ....
Jdcmusicman