Instructables

Build a Keg Still for Whiskey (Pot still design)

Making a pot still using a keg as a base for making flavoured spirits, this is my second instructable on making a keg still the first one was a reflux still and you can see that here

http://www.instructables.com/id/Building-a-Keg-Still-Bokakob-Design-Reflux-Still/

Now before I continue lets get the boring legal stuff out of the way....

Check the laws in your local area, some places you cant even own a still let alone use it to make a drinkable product, check it out first. I know in New Zealand you can make your own booze and in the UK you can have a still that makes up to 5L if you have a permit.

ok lets carry on, so why am i making another keg still if I already have one? well its turns out that even in pot still mode the reflux still does not give enough flavour on the spirit, it strips it out due to refluxing too much. When you want to make rum and gin and other flavoured spirits you need a Pot Still as a reflux still will just strip out the flavours.

Now it is worth having a column for the reflux still as you can use this to make vodka which can be used to make gin in your pot still later on. I have both a pot still column and a reflux column now and they both fit on the same boiler, Now I will be repeating the boiler making process as some people may be reading this and have not seen the original instructable so I have to assume they don't have a boiler yet.
 
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Ferret9923 days ago

How much did this cost all in all?

n1cod3mus (author)  Ferret9923 days ago
Roughly £150 (GBP)
Thank you so much!! I was searching for phase voltage controller instead
Can you help with a source for the phase controller thing
They seem to be £65 on ebay!!
Do you have a link to them by any chance.
Great instructble I am making it as I type !!
Cheers
n1cod3mus (author)  wallopadonkey1 month ago
quick search on ebay for "voltage controller" reveled just under 1000 results, limited the search to the same as mine "voltage controller 3800w" and this is what I found

http://www.ebay.co.uk/itm/271594005154

for £4.05 including postage.
egosselin11 month ago
have you ever had any issues using glass for the thumper ?
n1cod3mus (author)  egosselin11 month ago
not really no, the only problem is that its probably too small, so I don't use it any more, if I have to I do a larger run or a double run and then distill it a second time. This is known as a stripping run.
I understand what you mean by too small after reading this article : http://homedistiller.org/equip/designs/thumper

The last part gives a rule of thumb : "A good rule of thumb is make the thumper twice the size of the amont of distillate in a single run. ie: one run = 1 liter of spirits then make the thumper 2 liters .... as a minimum, have it at least 1/3 the volume, ie ((#gallons of wash * %alc of wash) / 3)"
n1cod3mus (author)  egosselin1 month ago

yep thats exactly what I read, and where I read it, but at the time I wrote the instructable I was far too excited about producing alcohol of my own. I realize now, though it did work a bit, it wasn't correct. I have since ditched it. I might make another one later out of a milk can or a smaller keg.

homedistiller.org is an awesome resource once you have sifted through the dross

egosselin1 month ago

Where did you buy the tri clamp n1cod3mus ? I'm having a hard time tracking one down...

n1cod3mus (author)  egosselin1 month ago
just on ebay search fro tri clover clamps, o0r tri clamp.

dragon stills in the US sell them

Almost half-way done, your instructions are excellent Sir !

n1cod3mus (author)  egosselin1 month ago

cool thanks, Don't forget to post a photo by clicking "I Made It" button

woodduck4 months ago

love your designs I've made both you stills now and love them. mine is slightly different to yours as you will see in the photos. I already had a condenser that I made for a bloke based on what he wanted which was huge. he ended up not wanting it cause he wanted a reflux still so I ended up with it and adapted it to suit my still and thumper. the still works great and I can't wait to try your jacks recipe. .

temp_2088798152.jpgtemp_753378261.jpgtemp_-88067778.jpgtemp_1392950685.jpg
zamo276 months ago

i cant figure out one thing.. when you fill the keg and it start evaporating then eventually the element will be exposed, possibly burn or cause a fire?

am i missing something? is it safer to use a band heater

please verift as i want to start distilling my country wines

thanks

n1cod3mus (author)  zamo276 months ago
as long as your element is covered in liquid it will be fine, out of a 23L batch you would normally get around 4L of alcohol tops, leaving about 19L of liquid in the still. now because my welder was crap my element doesnt sit straight so it point upwards a little. i tested how much liquid i would need to cover it completely by at least an inch above it and it was 16L so with 19 left after I have got my alcohol off there was plenty to cover it.

I understand your concerns but there is no an issue with it cause a fire for a few reasons. 1 the plug has a fuse in it which would pop if there was a short. 2 there will always be enough liquid to cover the element. 3 you are only taking off the alcohol and once you have that you turn the still off 4 if the element started to burn and the fuse in the plug didn't pop the mains breaker would pop and kill the power to the whole building 5 if all of that failed the element would just burn out in the keg which is steel and not combustible. 6 you should really be doing this in an open space ideally outdoors if you have it in an open space there would be nothing around the still to catch fire anyway.

yes you can use a ring burner but for 1 they are hard to control the temperature and 2 they are a flame so provide a source of ignition if your still was leaking vapor this would allow for the vapor to ignite and BOOM!

overall electric is better and safer than traditional still operations.
zamo27 n1cod3mus6 months ago
Thanks I will try thid
devoncbutcher7 months ago
Hi there, great write up I built my still based on your instructions here. I finally did my first run yesterday and although the still was producing as designed, it seemed extremely slow. How fast should it be producing?
n1cod3mus (author)  devoncbutcher7 months ago
yeah it should be run slowly, for a higher percentage of alcohol

what size wash did you have? what was the starting SG and end SG of the ferment?

how long did the wash take to run and what was the yield?

it depends on what you are running, if you are running a rum or a whiskey then you only want to have the heating element set to half power, it should take an hour or a little over to heat up to the point where it starts to flow out. you don't want to scorch it or have the still puke. my normal wash is around 23L.

if you are running a sugar wash neutral then you can run that a lot faster provided you have some scrubbers in the column to create reflux. tip of the day, chore boy copper scrubbers are 100% copper and the best thing for your column packing. you can use stainless steel scrubbers but copper is better as it removes the sulphides from the resulting product.
pothead al7 months ago

Hi there, just a quick one, how did you weld the immersion flange to the keg, was it MIG or TIG ? I have a gasless mig would that do ?

also the thermostat on the immersion, do you remove it completely ?

the phase angle controller ( which I am awaiting from China) is it easy to connect altogether ?

Cheers

Pothead

n1cod3mus (author)  pothead al7 months ago

I didnt weld it my self, but yes you could use a gasless mig if you got the right spool for it.

yes very easy to connect, just connect negative in one side and negative out.

hi there not electrically minded so I don't really understand what you mean, so on the heater for example

T=BROWN

N = BLUE

+ EARTH

How does it all go to the controller ? pictures attached

DSCF7775.JPGDSCF7776.JPG
n1cod3mus (author)  pothead al7 months ago

I got your email about this but I will answer it here too, for the UK users, the contact nearest the heat sink attach N (blue) from the mains supply/plug, run a wire from the other connector to the N connector on the element. simple.

I have also designed a casing for this controller that can be 3d printed, see the pics.

2014-01-12 16.52.51.jpg2014-01-12 18.36.27.jpg2014-01-12 19.39.21.jpg2014-01-12 19.39.28.jpg2014-01-12 19.39.37.jpg

many thanks for that

paulbunyn7 months ago

I've been told not to use any metal but Copper or Stainless Steel. Are you sure brass couplings and the heating elements are OK to use?

n1cod3mus (author)  paulbunyn7 months ago
yeah the brass is lead free so that is fine, the heating element is copper ;-)
Thanks!
tricky-19488 months ago

hi me again well the set up you are running is the same as mine, only I have an elbow at the top 54mm reduced to 15mm at the top of the elbow I have a 1/4 pipe drilled and soldered into the top for thermometer to go into it is removable, I use two o ring one at the top and bottom of the thermo, The out let is 15mm copper pipe goes to a chilling coil in a bucket 15L the coil has about 10 turn`s, all my connection are none soldered as I use a maintain bike inner tub cut into 11/2" strips to seal the joint`s work`s really good so you can inter change them around from a boka to a pot still, for the 15mm joint`s I use rubber denso tape, just make`s the wife happy so I can put it all away.

n1cod3mus (author)  tricky-19487 months ago

I have changed my recently and put the elbow right on the top.

I am planning to build a new still soon. All copper and brass.. well not the tri clamps which i will be documenting fully as in instructable.

mampoer8 months ago

In step 2 you say "click here for a (SG) calculator" but I can't see a link.

n1cod3mus (author)  mampoer7 months ago

http://homedistiller.org/calcs/sugar_sg

windshadow8 months ago

Thanks for posting this !

n1cod3mus (author)  windshadow8 months ago
No Problem, enjoy ;-)
gn0stik8 months ago

This is nice. And since you are using sanitary/tri-clamp/tri-clover fittings, you can easily use that on a stainless milk can, or some other vessel if needed later. Perhaps something that is easier to get access to the inside of..

n1cod3mus (author)  gn0stik8 months ago
yep you sure can
tricky-19489 months ago

hi mate nice reading your post, one thing that I am not sure, as I run on gas, I am now looking to change over to electric, what I have found here in the uk all our heating elements seem to have a cut out on them to stop the boiling process even with the thermostat out, was this the same as the one you have used.

best regards Richard

n1cod3mus (author)  tricky-19489 months ago
the thermostat is what causes the cut out on the element on its own. in a heating system there is an additional cut out which is in the other electronics of the system but thats not in the element it's self, so once you have removed the thermostat there is no other cut out, which is why you have to plug it in to a voltage controller.

if you have a heating element take the casing off and send me a picture chris@chrisfrydesign.com and I will talk you through what you need to do ;-)

I ended up printing a case using my 3d printer for my Chinese voltage controller ;-)

hi many thanks' for coming back to me I have not ordered the element yet, copper or ss element ? just ordered this controller off flee bay, so have taken note on what you have ben saying, by the way great work you have done

1 of 3 images

n1cod3mus (author)  tricky-19489 months ago

yeah that looks basically the same and has enough watts to cover the element.

I would go for copper every time, the more copper in your still the better it helps to remove sulphides.

I'm actually thinking of building a completely copper still, but sheet copper is expensive here in the UK.

yer that`s what I was going to do as I have a good engineering back round, But also found the sheet copper was way to dear, so I have opt for a 10 gallon beer keg, made the boka. then removed the coil ex, And have added an extra 2 foot onto it so it can be a form of pot still from the keg it stand`s about 41/2 foot with scrubbers. ok so I will go in for copper elements as I have 2 keg once I get that done will show you some pic as I have done it from your drawing`s many thank`s .

Richard

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