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my bubble build

These are boilers with half columns, bubble, sieve or any other plates. These stills may make a particular type of spirits. Please feel free to discuss the benefits and features of these beautiful machines and their inventive builders.

my bubble build

Postby googe » Thu Dec 20, 2012 1:58 am

Hey all, started building a single bubble cap still. I'm following McStills idea of his bubble still with a few changes of my own. 3' column with 4' to 3' reducers for the bubble plate section. De fleg will be 150 long by 3', 10 1/2' inner tubes twisted to aid in reflux. From 3' de flag into 2' condenser at 450 long with 3 1/2' inner tubes. plate info will come.later on in the build.

Cheers
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Re: my bubble build

Postby googe » Sun Dec 23, 2012 1:24 am

de fag done.
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Re: my bubble build

Postby Swede » Sun Dec 23, 2012 1:45 am

Were you planning on any sight glasses between the plates?

Regardless, that's gonna look nice when its all polished up and running.
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Re: my bubble build

Postby googe » Sun Dec 23, 2012 3:07 am

No sight glasses mate, the plates clamp between the reducers with ferrule clamps.
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Re: my bubble build

Postby Bushman » Sun Dec 23, 2012 8:36 am

Did you drill the holes a little larger or grind out a little on each hole to get the slight twist to work on the dephlagmater?

Nice job so far by the way, keep the pics coming :D
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Re: my bubble build

Postby googe » Sun Dec 23, 2012 9:27 am

Thanks mate, Just fitted the tubes as normal mate, then just twisted it. As you know copper is quite forgiving :wink: .
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Re: my bubble build

Postby googe » Fri Dec 28, 2012 9:53 pm

Tried making the plates today, not happy with the work i did, very messy, seems to be the norm for this build!!. Oh well as long as it work in the end ill be happy. Just need to put the cap on, cut the bubble slots and tack it to the plate.
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Re: my bubble build

Postby Swede » Sat Dec 29, 2012 3:54 pm

When I made my caps, I tried to get around 50% of the cap as open area (slots). Small slots and lots of them will give great fine bubble action, larger ones less so. I like your idea though, I'm guessing you'll be soldering a cap on top of the piece of pipe you used to make the bubble cap ring from?
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Re: my bubble build

Postby vb » Sun Dec 30, 2012 1:55 pm

I designed mine so the slot area is the same as the riser which is 1/2 that of the cap
so subtract the riser from cap area and it is a 1:1:1 ratio so no one pie e creates more restriction then the other
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Re: my bubble build

Postby desert rat » Sun Dec 30, 2012 3:14 pm

I dig it. keep it comin
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Re: my bubble build

Postby minime » Sun Dec 30, 2012 8:01 pm

I like the simplicity. With bubble caps you shouldn't really need a sight glass unless you think you'll flood them. Sieves are a different story.......you never know if they're loaded or dry without a visual.
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Re: my bubble build

Postby googe » Mon Dec 31, 2012 7:52 pm

Thanks swede and vb, yep soldering the cap on swede, do you know what size you slots where, like in mm?. Have you done testing with different size gaps vb? or is it just a system you stuck with?. Thanks rat and minime.
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Re: my bubble build

Postby vb » Tue Jan 01, 2013 12:39 pm

the thinner you can do the slots the smaller the bubbles formed.
in the size you're doing 2mm is ideal, but 3mm is acceptable.
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Re: my bubble build

Postby hard times » Thu Jan 03, 2013 10:24 pm

minime wrote:I like the simplicity. With bubble caps you shouldn't really need a sight glass unless you think you'll flood them. Sieves are a different story.......you never know if they're loaded or dry without a visual.


Cool build googe!

I am very interested in the bubble balls without windows.
How would you know if they were operating properly with no
way to see.
I'd like to build a vm with a couple balls on the bottom before
a packed column.

Is there a discussion or thread that deals with this subject?
Thanks,
Carl
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as they're going to feel all day.

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Re: my bubble build

Postby jake_leg » Sun Jan 06, 2013 10:08 pm

This issue came up in the thread discussing my coffee can bubble ball. It was suggested that a sight glass might give early warning of pukes.

viewtopic.php?f=61&t=6019
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