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Thread: big plate with 1 stack or small plate with 2 stacks ?

  1. #1
    Join Date
    Apr 2011
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    Rimouski, Québec, CANADA
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    big plate with 1 stack or small plate with 2 stacks ?

    Hi everyone,

    Which one is better ?

    A dry-cell with big plates (6" * 10") and just one stack
    -NNNNNN+ , active area ± 44 inch -> 44 * 1 * 0.5 = 22 Amp max

    or

    a dry-cell with small plates (5"*6" ) and 2 stacks
    -NNNNNN+NNNNNN- , active area ± 20 inch -> 20 * 2 * 0.5 = 20 Amp max

    This time it is to install on my second car. A Toyota Corolla S 2010, motor 1.7 liters and 4-speed automatic .


    The reactor should be able to produce an 1 LPM and we must consider that I live in Canada and winters, we have temperatures of about - 20 °C

    I need to make myself a reactor and the reactor must not have more than 4 "thick
    Civic Si 4 doors 2004, 1.7 liters V-TEC
    5N2 reactor
    CCPWM @ 7 amp
    1 Gal Capacity
    ~2% NaOH
    Waterless Peat Moss Bubbler

  2. #2
    Join Date
    Feb 2012
    Location
    Montreal, QC, Canada
    Posts
    105
    I'm also curious about the advantages and disadvantages of using 1 stack reactor with bigger plates over 2 stack reactor with smaller plates, but with both having the same total active area.

    I think that 5 neutrals would be better than 6 in our extreme weather conditions, Remi. It would probably heat faster ( not sure ), and run a bit hotter. 5 Neutrals shouldn't produce steam and could turn to be more efficient than 6 Neutrals in some cases.

  3. #3
    Join Date
    Apr 2011
    Location
    Rimouski, Québec, CANADA
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    Quote Originally Posted by whear View Post
    I'm also curious about the advantages and disadvantages of using 1 stack reactor with bigger plates over 2 stack reactor with smaller plates, but with both having the same total active area.

    I think that 5 neutrals would be better than 6 in our extreme weather conditions, Remi. It would probably heat faster ( not sure ), and run a bit hotter. 5 Neutrals shouldn't produce steam and could turn to be more efficient than 6 Neutrals in some cases.

    5 neutrals would be better than 6 in our extreme weather conditions but my car is in a heated garage at 5 ° C
    Civic Si 4 doors 2004, 1.7 liters V-TEC
    5N2 reactor
    CCPWM @ 7 amp
    1 Gal Capacity
    ~2% NaOH
    Waterless Peat Moss Bubbler

  4. #4
    Join Date
    Nov 2009
    Posts
    1,418
    Because of the complexity of getting the correct flow of gas and ions in a multi-stack bipolar reactor it is in my opinion better to stick with a single stack when ever possible. In a lot of cases the thickness of a 2 stack or more reactor is problematic when it comes to space. When using larger plates I have found that one needs to stick to 18 gauge even for the N plates which is a slight disadvantage but the thinner 20 or 22 gauge under certain conditions will need a non conducting brace like a round piece of gasket in the center to prevent the two plates form shorting/touching each other. There is a natural vibration that under certain conditions is acerbated causing this to happen intermittently in some cases and is very hard to detect resulting in a lot of lost time and hair pulling. LOL This is more of a problem when using 1/16" thick gaskets but less when using 1/8 inch. 1/16 inch gaskets are recommended when production is 1.5 LPM or at least under 2 lpm.
    "Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well-armed lamb."

    ONE Liter per minute per 10 amps which just isn't possible Ha Ha .

  5. #5
    Join Date
    Apr 2011
    Location
    Rimouski, Québec, CANADA
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    Quote Originally Posted by myoldyourgold View Post
    Because of the complexity of getting the correct flow of gas and ions in a multi-stack bipolar reactor it is in my opinion better to stick with a single stack when ever possible. In a lot of cases the thickness of a 2 stack or more reactor is problematic when it comes to space. When using larger plates I have found that one needs to stick to 18 gauge even for the N plates which is a slight disadvantage but the thinner 20 or 22 gauge under certain conditions will need a non conducting brace like a round piece of gasket in the center to prevent the two plates form shorting/touching each other. There is a natural vibration that under certain conditions is acerbated causing this to happen intermittently in some cases and is very hard to detect resulting in a lot of lost time and hair pulling. LOL This is more of a problem when using 1/16" thick gaskets but less when using 1/8 inch. 1/16 inch gaskets are recommended when production is 1.5 LPM or at least under 2 lpm.
    thanks you Sir !!!
    Civic Si 4 doors 2004, 1.7 liters V-TEC
    5N2 reactor
    CCPWM @ 7 amp
    1 Gal Capacity
    ~2% NaOH
    Waterless Peat Moss Bubbler

  6. #6
    Join Date
    Apr 2011
    Location
    Rimouski, Québec, CANADA
    Posts
    212
    Quote Originally Posted by myoldyourgold View Post
    Because of the complexity of getting the correct flow of gas and ions in a multi-stack bipolar reactor it is in my opinion better to stick with a single stack when ever possible. In a lot of cases the thickness of a 2 stack or more reactor is problematic when it comes to space. When using larger plates I have found that one needs to stick to 18 gauge even for the N plates which is a slight disadvantage but the thinner 20 or 22 gauge under certain conditions will need a non conducting brace like a round piece of gasket in the center to prevent the two plates form shorting/touching each other. There is a natural vibration that under certain conditions is acerbated causing this to happen intermittently in some cases and is very hard to detect resulting in a lot of lost time and hair pulling. LOL This is more of a problem when using 1/16" thick gaskets but less when using 1/8 inch. 1/16 inch gaskets are recommended when production is 1.5 LPM or at least under 2 lpm.
    Carter,

    With just one stack (6" x 8" plate ), is it preferable to have one input and one output of each of the end plates (total of 2 inputs and 2 outputs)

    or

    one input in one end plates and one output in other endplate ?

    Regards
    Civic Si 4 doors 2004, 1.7 liters V-TEC
    5N2 reactor
    CCPWM @ 7 amp
    1 Gal Capacity
    ~2% NaOH
    Waterless Peat Moss Bubbler

  7. #7
    Join Date
    Feb 2012
    Location
    Montreal, QC, Canada
    Posts
    105
    Hi Carter,

    In the post above, you said that for 2 LPM and less, one should use 1/16" gaskets. So I suppose 1/8" gaskets are for 2 LPM and more.

    I'm pretty sure I read an old post written by you in which you said that for plates with less than 10 square inches of surface, one should use 1/16". If the plates have a surface of 10 square inches and more, 1/8" gaskets are better.


    I'm a bit confused. What does gasket size depend on ? Total production of the reactor ? Or plate surface ? Or both ?

    I'm planning on building 2 reactors:

    #1
    One stack, 5Ns, -nnnnn+, 6" x 8" plates

    #2
    Two stacks, 5Ns, -nnnnn+nnnnn-, 5" x 5" plates


    The two reactors are close one another in terms of total active area, and I assume they will have similar productions when pulling the same amount of amps. ( around 1 LPM @ 15A )

    What gasket size should I use for each one ?

    Thanks in advance,

    Andrei.

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