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Brews & Views Bulletin Board Service * Brews and Views Archive 2005 * Archive through August 15, 2005 * Heat Capacity Science and Brewing in History < Previous Next >

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Magnus Graham
Member
Username: Cellarman

Post Number: 215
Registered: 03-2003
Posted on Friday, August 05, 2005 - 10:37 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Was early brewing a product of boiling water (no need for thermometers) and the right quantity of grain to bring the temp into the correct mash range?
If so what quantity of grain and what was the strength of the beer?

Mag
 

Magnus Graham
Member
Username: Cellarman

Post Number: 216
Registered: 03-2003
Posted on Sunday, August 07, 2005 - 09:00 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Ok I'll try to answer my own question -
10litres of boiling water
10kg of malted barley at 20deg C

Resultant mash temperature - 60 degrees C

Bit of jiggery pokery and accounting for heat capacity and cooling during mixing and we could have the first strength of beer.

Would it work? It would be pretty stiff stuff.

Fredrik? An experiment for you.

Or is this a generally known fact?


Magnus
 

Dan Listermann
Senior Member
Username: Listermann

Post Number: 1340
Registered: 03-2004
Posted on Monday, August 08, 2005 - 02:30 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I wonder when boiling water was invented?

Dan
Listermann Mfg.,Co. www.listermann.com

 

robert rulmyr
Advanced Member
Username: Wacobob

Post Number: 634
Registered: 02-2003
Posted on Monday, August 08, 2005 - 11:35 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Not sure about when invented, but, I'm pretty sure it was sold in this country first at St. Pat's.
 

Tom Meier
Intermediate Member
Username: Brewdawg96

Post Number: 296
Registered: 03-2003
Posted on Monday, August 08, 2005 - 12:59 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I thought they heated the water until the bubbles started rising. I've always noticed this would not be a half bad temp for strike water if the mash was pretty thick. Seems like it is around 170-180F. You know, the reduced gas solubility causes CO2, O2, N2,et. al. to start breaking out
 

jeff wright
Junior Member
Username: Barly

Post Number: 99
Registered: 07-2003
Posted on Monday, August 08, 2005 - 02:49 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I think the "Rule of thumb" was the "rule of thumb"...If the thumb could be left in the mash for a certain count...well, the temp was right.
Heard that little snippet somewhere or other.

brew on,
Jeff
 

Bill Freeman/ER
Junior Member
Username: Elderrat

Post Number: 78
Registered: 10-2001
Posted on Monday, August 08, 2005 - 02:58 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Dan, didn't you invent boiling water? Or was it AL Gore? And then you had to come up with wind chill to get the boiling water back to normal temp.
Bill Freeman aka Elder Rat
KP Brewery - home of "the perfesser"
Birmingham, AL
 

Dan Listermann
Senior Member
Username: Listermann

Post Number: 1341
Registered: 03-2004
Posted on Monday, August 08, 2005 - 03:26 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Thanks for your thoughts, Bill.

Dan
Listermann Mfg.,Co. www.listermann.com

 

Skotrat
Advanced Member
Username: Skotrat

Post Number: 933
Registered: 04-2003
Posted on Monday, August 08, 2005 - 03:50 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I wonder how fast the fans have to spin the air that is coming off the solar powered mirrors to cause the plastic bags to generate enough heat for the water to boil???

/Fredrik????
 

Dan Listermann
Senior Member
Username: Listermann

Post Number: 1343
Registered: 03-2004
Posted on Monday, August 08, 2005 - 04:02 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Scott, instead of just baiting me, why don't you explain what you are talking about? Then everybody will understand!

Dan Listermann
Listermann Mfg.,Co. www.listermann.com

 

Skotrat
Advanced Member
Username: Skotrat

Post Number: 936
Registered: 04-2003
Posted on Monday, August 08, 2005 - 04:04 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Dan,

Huh?

I don't get it...

- Scott
 

Dan Listermann
Senior Member
Username: Listermann

Post Number: 1344
Registered: 03-2004
Posted on Monday, August 08, 2005 - 04:13 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

Right. I guess we will have to keep the little secret to ourselves and your little buddies.

Do you get that?

Dan
Listermann Mfg.,Co. www.listermann.com

 

PalerThanAle
Senior Member
Username: Palerthanale

Post Number: 1449
Registered: 04-2002
Posted on Monday, August 08, 2005 - 04:14 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

If you two don't stop, I'm gonna tell dad.

PTA
Common sense is the least common of all senses.
 

Skotrat
Advanced Member
Username: Skotrat

Post Number: 937
Registered: 04-2003
Posted on Monday, August 08, 2005 - 04:15 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

RULE #2 huh Dan?

RULE #2
 

Doug J
Member
Username: Doug_j

Post Number: 110
Registered: 06-2004
Posted on Monday, August 08, 2005 - 04:31 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

There are historical references to heating the water until it looked like a mirror for proper mash temp. I do not know what causes the increased reflectivity of the water, but I have noticed the effect.