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Malting in Space

12/04/2019 9:23 AM

A soon to be launched cargo delivery to the ISS has a self-contained experiment to malt barley in micro-gravity. I guess any long term voyage needs some relaxation time.

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#1

Re: Malting in Space

12/04/2019 9:25 AM

It will be interesting to watch that idea ferment...

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#2
In reply to #1

Re: Malting in Space

12/04/2019 10:40 AM

Hope it ages,... well.

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#3
In reply to #2

Re: Malting in Space

12/04/2019 10:48 AM

Traditionally, gravity has been an important factor in the effectiveness of fermentation processes. One wonders how separation in a microgravity environment will be effective, unless an acceleration field, an "artificial gravity", is created with centrifugation or similar.

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#4
In reply to #3

Re: Malting in Space

12/04/2019 1:01 PM

It’s going to be interesting... I look at dealing with the low gravity environment, a new process will be developed... or even discover something they weren’t even looking for.

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#9
In reply to #4

Re: Malting in Space

12/05/2019 6:18 PM
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#8
In reply to #3

Re: Malting in Space

12/05/2019 3:55 PM

There's another form of "gravity" in brewing that is the measure of the density (of the wort, typically, in beer brewing) that helps you determine things like ABV. Comparing Original Gravity (before fermentation, of the wort) and Final Gravity, the difference multiplied by 131.25 is a decent enough equation for ABV for novices like myself.

Thinking about the 6 gallon carboys and fermentation vessels I've used as a homebrewer, the result of keeping the active yeast in solution rather than letting it settle at the bottom, caused in part to gravity, and go dormant prematurely should be a benefit? Maybe increase the output of the yeast and get the most of out their efforts. They can't go forever though, they eventually run out of food/oxygen and go dormant. Perhaps keeping it in solution, they'll still go dormant, but really only after consuming everything they can?

I use a stir plate when I make starters (basically a small, 1800ml batch of wort that you pitch the yeast into) to keep the yeast active longer. If you don't have a stir plate, homebrewers making a starter are told to periodically shake the flask to get everything stirred up again. I'm thinking this is a similar enough idea?

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#13
In reply to #8

Re: Malting in Space

12/06/2019 1:59 PM

I wonder how much waste product one normally makes in the malting process. Every gram brought to space is an expensive gram.

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#15
In reply to #13

Re: Malting in Space

12/06/2019 8:15 PM

Define ‘waste’, what was once waste, is now a by-product (animal feed).

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#16
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Re: Malting in Space

12/06/2019 10:01 PM

A valid point but only if one also brings animals to feed into space.

Getting back to my question, do you have any idea how much waste malting produces?

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#17
In reply to #16

Re: Malting in Space

12/07/2019 1:21 PM

I can ask my brother,... he pick up the byproduct to feed his young stock from the micro brewery. They want him to raise heirloom grains for brewing. The brewer owner is pretty free with the information.

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#11
In reply to #3

Re: Malting in Space

12/06/2019 5:44 AM

...or more useful to me, if the idea works, how do I create zero gravity to make my own.....?

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#12
In reply to #11

Re: Malting in Space

12/06/2019 1:28 PM

How you ask?,... you can’t get there from here...

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#5

Re: Malting in Space

12/04/2019 1:15 PM

If micro gravity has problems then maybe they could hook the fermentation tank to a claw and spin it around because as far as gravity is concerned. Claw's the law.

...I'll see myself out

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#6

Re: Malting in Space

12/05/2019 10:28 AM

India Pale Ale (IPA)

Brewed to replace water on long voyages.

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#7
In reply to #6

Re: Malting in Space

12/05/2019 10:29 AM

India Pale Ale Interstellar Pale Ale

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#10

Re: Malting in Space

12/06/2019 12:21 AM

Would this beer be 'out of this world?'

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#14

Re: Malting in Space

12/06/2019 2:12 PM

I read somewhere that the experiment has to do with making beer on Mars, once settled.

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