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Author Topic: Large 4" washer build  (Read 6205 times)
randy
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« on: February 09, 2011, 08:12:35 pm »

Here's a basic diagram of the build.

Now on to the nuts and bolts.

#1 are spacers made from a plastic coffee can lid with a paper hole punch, there are two glued together to get the.045" thickness needed, and glued to the washer surface, this is to keep the spacing even.

#2 are 5/8" OD. vinyl tubing cut to surround the jam nuts, same height as nut thickness.

#3 are 3/4" "O" rings. only 2 needed or may be replaced with anything to insulate and supply pressure to keep spacing even.

#4 are common plastic bottle caps with sides removed and 1/4" hole.

The holes are 1/4" and 5/8" the 1/2" hole in center is already there.
« Last Edit: February 20, 2011, 05:18:58 pm by randy » Logged
randy
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« Reply #1 on: February 09, 2011, 08:51:49 pm »

Start by placing one of the bolts with flat washer under head in one of the 1/4" holes and tighten jam nut, insert one of the vinyl sleeves into 5/8" hole,
place a flat washer on the other bolt and then one of the bottle caps, tighten jam nut as shown in picture.
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randy
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« Reply #2 on: February 09, 2011, 09:01:22 pm »

Place one of the "O" rings around vinyl sleeve, this is to supply pressure to the plate to correct spacing, insert vinyl sleeve into large hole on second plate.
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randy
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« Reply #3 on: February 09, 2011, 09:09:12 pm »

place the second plate so that the vinyl sleeve surrounds the nut on the first plate, insert the bolt with the bottle cap and nut into the first plate and sleeve, apply a jam nut and tighten.
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randy
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« Reply #4 on: February 09, 2011, 09:32:03 pm »

Keep adding plates vinyl sleeves and nuts until you get to the last plate, then place the other "O"ring and bottle cap on the bolt, tighten down with nut. as you can see in the second picture the plate edges aren't quite even, a little squeeze in a vise will correct this.
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randy
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« Reply #5 on: February 09, 2011, 09:33:52 pm »

Pics
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randy
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« Reply #6 on: February 09, 2011, 09:36:00 pm »

All lined up.
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Manta
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« Reply #7 on: February 11, 2011, 08:55:18 am »

Randy,

Could you make your attachment a little smaller.  It won't fit on my screen and thus I can't use the scrole bars to move around it.

Dave
(Manta)
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randy
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« Reply #8 on: February 11, 2011, 02:57:27 pm »

 wow that's odd, I shrank them down 75% to post them, not sure what I'd need to do. they don't show up very big on this computer?
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randy
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« Reply #9 on: February 13, 2011, 07:20:23 pm »

Manta; what operating system are you using? I've opend the pics with mac OS X 10.6.6, Linux, Windows 7, Windows XP, non show up huge, not even filling the screen?
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Manta
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« Reply #10 on: February 14, 2011, 07:07:24 am »

Randy,

It's just the first picture I'm having problems with.  It look from the data as if it's a photobucket type image (stored off your computer)  The rest are .jpg files. I have no problem with them.

I'm running XP.

Maybe if you can convert the top one to .JPG, or post another one in .jpg format,  then that will fix it.

Dave
(Manta)
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Good questions have a sting in the tail.
Bob
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« Reply #11 on: February 18, 2011, 12:56:03 pm »

Randy !
 Fantastic Documentary on the build !  and I have no problems anywhere with the pic's but I do agree about the first picture, just post it as normal if ya would <GRIN>
...
Personally I was thinking the pictures are a bit SMALL manta ! HAHAHAHAH
...
I love the pet dishes container... I am sure you could make them seal up without leaks by having about 6 to 8 #10 bolts around the edge and silicone sealant....allot of it!and once bolted together put more silicone around the joined surface... if you come up with a leak on a bolt just cover it real good with the silicone as well.
...
 I am Very impressed ! its a PERFECT CELL ! I can't wait to see the LPM numbers for it (and amp usage)
...
 THANK YOU FOR YOUR Contribution ! WELL DONE!
...
Bob......

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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
randy
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« Reply #12 on: February 18, 2011, 01:36:13 pm »

Ok I'm confusilated, lol is it the pic or the diagram?, the first pic is 415 kb, the diagram I pasted the link from the other thread "4" washer build"
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Bob
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« Reply #13 on: February 18, 2011, 06:33:29 pm »

LOL yah its the diagram... Not the pic.  I guess Manta has trouble with some pictures... needs to upgrade his OS I think <grin>
I was just thinking you could just POST it again  no need for the link  HAHAHAHAHA
more than likely Manta can't see the diagram because of the format so change it to a .jpg he can see those !   ...
 fantastic build Randy  REALLY  its the best documented on the site  ! thank you !
....
Bob......

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"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
Bob
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« Reply #14 on: February 18, 2011, 06:52:09 pm »

hay Randy... did you check the resistance of those 2 "O"rings ?  just fer kicks???
black rubber usually is a poor insulator.. it almost always has some resistance or in this case continuity to it.... if the cell pulls amps when its NOT WET that's the problem... I'd bet on it!
i doubt its worth any concern however as the resistance is quite high usually and the electrolyte fairly low.... just something to think about !
... after seeing how you built it I think I can stack my wall switch plate covers like that NOW !
I just need a paper Hole punch !  and allot of those spacers! HAHAHHAHHA the spacers I used were cut from zip ties but only ONE was used per placement and they weren't thick enough !
...
Bob...
 ...
( I'll nuke the comments after a month or so and trim this nice build up...have no fear! )
« Last Edit: February 18, 2011, 07:08:16 pm by Bob » Logged

"Mother always told me "Son the Imposable is only a little bit harder"...and You know ... She WAS RIGHT!"
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