FSD pot still questions

Pot still design and discussion

FSD pot still questions

Postby Tanker » Fri Jun 05, 2020 8:54 pm

Ok, so i have no distilling experience, but have been doing lots of reading and trying not to ask silly questions.

I'm committed to distilling a decent bourbon, so that brings me to pot stills, in particular the five star range. I notice there are a couple on the fsd website. The 2 inch pot still and the 4 inch modular pot. Apart from the obvious modularity,

Is one "better" than the other?

Is the output speed/volume of one better than the other?

Does column height have any bearing on a pot still?

I have a standard beer keg, that i plan to modify to an electric boiler, what size element and controller would the group recommend for the above stills?

Thanks guys, love the forum, so much to learn. cheers
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Re: FSD pot still questions

Postby bluc » Fri Jun 05, 2020 9:13 pm

Only silly question is the one you DONT ask right before blowing up shed /house.. upgrade path is what you want. If you.like a drink your gunna love this hobby :handgestures-thumbupleft:
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Re: FSD pot still questions

Postby Lesgold » Fri Jun 05, 2020 9:30 pm

Hi Tanker,
I built a 2” pot still on a 50l beer keg boiler. Added 2 x 2400w elements. Use both elements for heat up and generally run 1 for stripping runs at full power. One element is fine but heat up time is much longer. A 5 star controller works well to control power on spirit runs. Would highly recommend that.
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Re: FSD pot still questions

Postby scythe » Sat Jun 06, 2020 7:09 am

2" pot work just as well as the 4" just not as quickly.
Advantage of the 4" is that when you want to move on to a bubbler (and most people do) you can just add bits to your 4" pot so you have note "wasted" money on bits your not using anymore.

Height can play a small part in pot shilling as you will get some small amount of passive reflux the taller it is.

2x 2400w elements will see you through,
Use both for heat up, or stripping runs
Turn 1 off once distillate starts to come out and control the other with a power controller on a spirit run.

But before you embark on a keg build actually sit down and work out what it will cost you, a milk can boiler will generally work out about the same if you can't do the welds your self.
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Re: FSD pot still questions

Postby Professor Green » Sat Jun 06, 2020 11:46 am

Hey Tanker,

Good advice from Scythe. I would opt for the 4"pot if I was looking to pot still on a 50 litre boiler.

It's definitely worth checking out the cost of a keg build if you cannot weld it up yourself and those 5 Star 50 milk can boilers are pure sexiness. The elements that 5 Star sell are the best you can get.

Assuming you're using domestic supply so 2 x 2400W run from separate circuits would be the go:

5 Star also sell a good quality power controller:
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Re: FSD pot still questions

Postby Tanker » Sun Jun 07, 2020 4:27 pm

Thanks for the feed back guy's,
If i went for the FSD milk can boiler, which i believe has a 4 inch still mount. this would mean i wouldn't need the 4in to 2in reducer that comes with the 4in pot still. Would there be any benefit swapping the reducer out for a 4in straight section?
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Re: FSD pot still questions

Postby The Stig » Sun Jun 07, 2020 5:43 pm

Go for the 500mm packed section.
This will then be of use later when the rig grows up :handgestures-thumbupleft:
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