## Re: Logic says?

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• Hi Robert, Is that boiling 100° C O (water) or i assume you mean 78 ° C (ethanol)? because my run temps never go above 83 degrees C My proposed aim is keep
Message 1 of 5 , Nov 28, 2006
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Hi Robert,
Is that boiling 100° C O (water) or i assume you mean 78 ° C
(ethanol)? because my run temps never go above 83 degrees C
My proposed aim is keep the same run time, make up 50 litres, and
keep the same 96 percent abv. And get about 6.5 litres of 96% abv.
It's the whole vapour speed thing now that does that 4 times or more
thing (to the power of thingy) for a given column cross section that
I was trying to pin down in a previous post and was and am finding it
Geoff

--- In Distillers@yahoogroups.com, Robert Thomas <whosbrewing@...>
wrote:
>
> If you (say) doubled the element wattage you would half the heatup
time
> (and conversely, douuble the volume doubles the heatup time). If you
> can then drop back down to 850 when you get to boiling you won't
flood
> the column.
> That was the easy bit. Then there is the whole vapour speed through
the
> column business: I'll pass the baton on now!
> Cheers
> Rob.
>
> --- burrows206 <geoff@...> wrote:
>
> > Hi Guys,
> > I have a 10 gallon milk churn boiler and have as yet only ever
> > distilled 25 litre batches of 48 Hour Turbo Pure, and from
switching
> > on, and starting to distil it takes about 5 ½ hours for 3.25
litres
> > of 96% abv. Which for what I want, neutral ethanol, it's great.
But
> >
> > I was wondering I usually like to have a spare packet of 48 Hour
> > Turbo Pure in stock. Just in case I feel the need to get stuck
into
> > another batch. Now if I doubled up on the 48 Hour Turbo Pure and
> > made 50 litre would it take twice as long to distil on my 850watt
> > 240volt element to achieve the same 96% abv? Or if I changed the
> > wattage what then, (no not watt, what)
> > Somehow I think there is more to this than meets the eye or
> > what at first appears to be common sense.
> > Is this a bit like the quick glance logic of a square that's
2
> > foot by 2 foot with an area of 4 square feet and the quick glance
> > logic or common sense says if you double up the side measurement
> > you'll get double the area, but 4 foot by 4 foot is 16 square
feet.
> > Four times as much area as the 2 foot by 2 foot. Can you guys
follow
> >
> > my line of reasoning?
> > If I doubled up on the wattage does it half the time and the
> > trade off, is to lessen the % abv. Or what? I just have this wee
> > doubt at the back of my head that I'm missing something on these
> > lines. (I know there's a name for it. Ok I hear the call
of "brains
> > man" but I'll ignore that cause I've been hacked before) Maybe I
> > should just try it and see what happens but if someone knows
> > different and can follow my line of thought. Could you let me
know?
> > Geoff
> >
> >
>
>
> Cheers,
> Rob.
>
>
>
>
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