A Nixon Stone Still

VM CM LM Flutes Plate

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Re: A Nixon Stone Still

Postby plonker » Tue Aug 11, 2009 6:48 am

Hey Lurch, the coldfinger is for a 2" pipe, its pretty hard to get three inch where I am, And five feet of 2" is awkward enough as is..
The coldfinger is 1" pipe with 1/4 wrapped around it. Thats why I had to pack some copper wire around it.

The fittings are just standard aussie garden hose connectors. They make them in brass and they fit 3/8 copper perfectly. :)

IMG_2065.JPG


I started with a boka and it was easy to make and worked well. I did find it hard to drive... had to make a few mods to get it running, as rad says. I didn't know how to make a liebig at the time so I did this to try to cool the output. :oops:

IMG_2094.JPG


It helped but the output was still too hot. BTW, this is a current pic of the Boka which has stuff missing. I gave the output copper pipe to a mate to stop him using plastic.... :shock:

Personally, I would do what hawke suggests and build a VM. they are great. easy to drive and produce top quality neutrals... Wish I had built one first time. Im putting some pics and info together for the VM at the moment.
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Re: A Nixon Stone Still

Postby HookLine » Tue Aug 11, 2009 6:50 am

+1 for VM 8)
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Re: A Nixon Stone Still

Postby Hawke » Tue Aug 11, 2009 9:39 am

I found an old post that has a link to the hatstand drawing.
viewtopic.php?f=17&t=8722
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Valved Reflux, 3"x54" Bok 'mini', 2 liebig based pots and the 'Blockhead' 60K btu propane heat
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Re: A Nixon Stone Still

Postby Bushman » Tue Mar 30, 2010 5:40 am

I am new to both the forum and the distillation process. My question in looking at the various designs is that some are completely closed such as the design of the internal reflux still, however your design is open at the top of the condenser. I think I understand that the cool water will force the vapors down but won't this allow for some to escape? And is the design for safety or some other purpose?
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Re: A Nixon Stone Still

Postby Fastill » Tue Apr 20, 2010 6:16 pm

Bushman wrote:I am new to both the forum and the distillation process. My question in looking at the various designs is that some are completely closed such as the design of the internal reflux still, however your design is open at the top of the condenser. I think I understand that the cool water will force the vapors down but won't this allow for some to escape? And is the design for safety or some other purpose?
Bushman


If designed right, no vapor will escape from the open top, if it does you don't have enough cooling with the condenser or you are driving the boiler too hard.
Also, in full reflux mode, the output valve is closed so all distillate is going back into the column. If their isn't an escape for any preasure, it could be a problem so the top must at least have a vent hole if the condensor coil is fitted to a cap.
It took me a while to understand that also, but believe me, it works.
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viewtopic.php?f=15&t=52975
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Re: A Nixon Stone Still

Postby irishmike » Sat Jul 17, 2010 8:10 pm

Stillhead:

what is the reducer/custom drip tip made from? is it a 2"-1" reducer with a bit of 1" pipe soldered in then cut and hammered into that pointy shape? im looking to do much the same thing but im thinking of just letting the 1" pipe extend up into the 2" section a bit as an overflow and having the take off ( i was thinking 1/4") drilled and soldered into the 2" section of the reducer.
she keeps telling me: "I don't care if you pee in the shower, but you have to be taking a shower!"
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Re: A Nixon Stone Still

Postby todd54 » Fri Aug 27, 2010 5:05 pm

No words except what a beauty your still.
If you don't know how to do it yourself, you don't have right to bitch, that you don't have any.
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Re:

Postby austontatious » Tue May 01, 2012 5:46 pm

stillvodka wrote:Norm,

I think you should have a real good read of this web site, http://homedistiller.org/ , it contains almost everything you want to know to get you started.


Almost... However I didn't see anything explaining the action of a Nixon Stone still. I even googled and didn't find an answer to Norm's question. Thinking on it for a minute - does the condensation of the distillate equalize the vapor pressure? Is that how this operates?
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Re: A Nixon Stone Still

Postby austontatious » Tue May 01, 2012 5:49 pm

Just realized how old that post was... But still - am I right?
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Re: A Nixon Stone Still

Postby Fastill » Tue May 01, 2012 6:03 pm

austontatious wrote:Just realized how old that post was... But still - am I right?

It is possible, nothing escapes from the top of mine, but I would still not take a chance and make sure you have a vent hole. I don't use a cap, my condensor just drops in the top of the offset and is easily removed for cleaning.
A.D.D. and HD don't go together. This hobby takes time and dedication to learn and do it right and safe.
Fill the pool before you jump in head first!
viewtopic.php?f=15&t=52975
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Re: A Nixon Stone Still

Postby austontatious » Wed May 02, 2012 2:18 am

Thanks for the reply!
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