Something I'm missing here??

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goinbroke2
Distiller
Posts: 2448
Joined: Mon Mar 24, 2008 6:55 pm
Location: In the garage, either stilling or working on a dragster

Something I'm missing here??

Post by goinbroke2 »

Where to start... well, I've done this exact same wash many times and have done all feigns runs before from this wash many times.
However,
I did a strip run and it came out to 50% low wines. All good. I tried to do a spirit run in my new electric keg still (58L/4500W) because it "looked" like it wasn't "that" fast. I was wrong. It was fast and I had tails throughout the run.
Fine, I poured it back together and had 62% low wines to run off.
I diluted to about 40% and ran a spirit run with my propane, nice and slow.
8L water
16L 62%
It started around 80% and held for a REALLY long time. Slowly dropped off and I shut down at 25%
I collected in 500ml jars and collected 200ml fores as per usual.

Sit a day and I go to do cuts.
I take the jar (1L) I collected what is traditionally my hearts 69%-59% and...tails?
I check the 500 jar before it..light tails
Check near the first jars..heads
Start bouncing around as I'm getting weird tests (still keeping all jars in line though)

So, dumped the first 4L as heads
Collected about 6L of heart
Dumped about 6L tails
I collected about 16-17L from 24L total of 40%
I have 6L of 73% heart
I have 10L of 60% feigns

Questions;
1) Why did my heart change from 69%-59% to 77%-73%?
Yes this was a triple distillation, but I assumed the heart would not change, only the volume of hearts.
Comments?

2) 6L heart is 1/4 of the total low wines, does this seem high/low compared to normal and is the difference because of triple distillation?

3) Who has done triple distillation and what were your results as to volume of hearts and cut points compared to double distillation?

My volumes would of been 80-90L wash at 10% (or so)
First strip left 30L
Second strip added my feigns too and got 16L of 62%
Third spirit run of 16L of 62% and 8L water left 16L 65% (10L/60% and 6L/73%)

4) These numbers look normal/ok?


The more I know, the less I understand.... :roll:
Numerous 57L kegs, some propane, one 220v electric with stilldragon controller. Keggle for all-Grain, two pot still tops for whisky, a 3" reflux with deflag for vodka. Coming up, a 4" perf plate column. Life is short, make whisky and drag race!
flip
Swill Maker
Posts: 180
Joined: Mon Feb 22, 2010 10:14 am
Location: South Africa

Re: Something I'm missing here??

Post by flip »

Hi Goinbroke2

"Goingbroke2 said:"

The more I know, the less I understand....

i think it's normal ,although outputs can vary, for many reasons, you know.

what am i saying ?
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