MesHH0

Physical Specs
'Modeled' Electrolyzer Design: 
Generic series cell
Electrode Material: 
Stainless Steel
Electrode Type: 
Mesh
Number of Electrodes: 
2
Number of Cells: 
5
Electrolyte: 
NaOH
Electrolyzer Design Modifications: 

Cross between the Hotsabi and Nick's Newb Tube, with SS Mesh used inside of 1.5" PVC pipe. 5 tubes total to reduce amps and heat.

Stats
LPM: 
0
Volts: 
12.8
Starting Amps: 
7.8
Amps when hot: 
13.57
Peak Temperature: 
145F
Overall Design
Project Status: 
Building
Electrolyzer Problems: 

So I did some extended testing of my cells today, to see how they work. I get about 12.5 volts from my battery charger, so I used 5 tubes to spread out the voltage to about 2.5 per cell. I followed Nick in bumping up the amount of NaOH, and started out drawing 7.8 amps cold. At that level, it took me 77 seconds to produce 500ml of HHO. I let it run for 2 1/2 hours, taking measurements every 15 minutes. When it finally leveled out, I was pulling 13.5 amps, and producing 500ml in 43 seconds, which works out to .7 lpm. The nice thing is that after running for over 2 1/2 hours I opened one of the tubes and put a temperature probe into the electrolyte, to find the temperature only 145F. Running my 18-plate wrapped Smack for the same length of time gave me temps of over 200F, which is too high. My next test will be to bump up the strength of the electrolyte to see if I can start out drawing 14 amps cold. If the progression holds, I should be well over 1lpm without hitting 20 amps, and keeping my temperature low. Given the cheap and simple construction of these cells, I am satisified.

Description of images uploaded below: 

Here are pictures of how each cell is constructed. I also included one of the SS mesh I use.

Click the images below for bigger versions:
Were Images Uploaded?: 
Yes

Ah-Ha

Now, I see! This is exactly what I wanted to try, but with a stack of screen disks on the core anode. My bolts should come in tonight. When they do, I'll make a video of how I assemble my washer stacks with the spacers on each end, so you can get an idea of what I mean.

testing

Definitely give me your address, and I will send you a piece of that screen. I'd like to see how it works taking the place of your stainless pipe, and also how it would go taking the place of the washers. You don't need to send me an envelope - just an address and I will send it off.

I spoke with my buddy who got me the screen, and found out that it is 40 mesh stainless. If I matched it correctly, McMaster sells the same stuff for about $10 per 12"x12" sheet. 6" is enough to line the inside of a 1.5" PVC pipe, so $20 for the mesh, $10 for the threaded rod, about $20 for the pvc pipe and fittings, and you have enough to make 6+ cells. I gotta get these done, so I can run some tests.

H

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