HOMEBREW Digest #4358 Fri 26 September 2003

[Prev HBD] [Index] [Next HBD] [Back]

		Digest Janitor: janitor@hbd.org


          Northern  Brewer, Ltd. Home Brew Supplies
        http://www.northernbrewer.com  1-800-681-2739

    Support those who support you! Visit our sponsor's site!
********** Also visit http://hbd.org/hbdsponsors.html *********

  Stokes Law ("Doug Hurst")
  Re sweet brew ("Charles Gee")
  OT : zero calories and other dirty tricks (Alan McKay)
  Re: Which temprature should I read off stick-on thermometer (Travis Dahl KE4VYZ)
  Anorthocite and Stone Ale? (darrell.leavitt)
  RE: Claifying with Head Pressure (Jonathan Royce)
  Listermann's ("3rbecks")

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * The HBD Logo Store is now open! * * http://www.hbd.org/store.html * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Beer is our obsession and we're late for therapy! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Send articles for __publication_only__ to post@hbd.org If your e-mail account is being deleted, please unsubscribe first!! To SUBSCRIBE or UNSUBSCRIBE send an e-mail message with the word "subscribe" or "unsubscribe" to request@hbd.org FROM THE E-MAIL ACCOUNT YOU WISH TO HAVE SUBSCRIBED OR UNSUBSCRIBED!!!** IF YOU HAVE SPAM-PROOFED your e-mail address, you cannot subscribe to the digest as we cannot reach you. We will not correct your address for the automation - that's your job. HAVING TROUBLE posting, subscribing or unsusubscribing? See the HBD FAQ at http://hbd.org. The HBD is a copyrighted document. The compilation is copyright HBD.ORG. Individual postings are copyright by their authors. ASK before reproducing and you'll rarely have trouble. Digest content cannot be reproduced by any means for sale or profit. More information is available by sending the word "info" to req@hbd.org or read the HBD FAQ at http://hbd.org. JANITOR on duty: Pat Babcock (janitor@hbd.org)
---------------------------------------------------------------------- Date: Wed, 24 Sep 2003 23:30:21 -0500 From: "Doug Hurst" <dougbeer2000 at hotmail.com> Subject: Stokes Law FLJohnson pointed out how Stokes law indicates that a fermenter under pressure will not sediment faster than normal. Here's the equation for anyone who's interested: D^2 (Sa - Sb) G V= _____________ 18u Where: V = Settling Velocity D = Particle Diameter Sa = Density of Particle Sb = Density of Medium G = Gravitational Acceleration u = Viscosity Coeficient Doug Hurst Chicago, IL [197.5, 264.8] Apparent Rennerian Return to table of contents
Date: Wed, 24 Sep 2003 22:29:07 -0700 From: "Charles Gee" <cgee at mhtv.ca> Subject: Re sweet brew Congratulations to our Janitor and I hope that not too many nights are lacking in sleep. Many thanks to all for the suggestions as to how to sweeten my brew. Lactose is on the way so I will have in due course "A Black Herbed Milk Braggot" and I have no doubt that it will prove to be just to my liking. Where on earth am I? I live on Haida Gwaii aka The Queen Charlotte Islands which explains why I am a simple brewer using cans of extract because that is all I can get here! I drool at the fancy malts and elaborate recipes knowing full well that dreams is all they will be for this brewer. Charles Gee Masset British Columbia cgee at mhtv.ca Return to table of contents
Date: Thu, 25 Sep 2003 07:06:27 -0400 From: Alan McKay <amckay at neap.net> Subject: OT : zero calories and other dirty tricks Steve explains how Splenda is able to get away with calling itself 0 calorie - how it's all a matter of how you definte the serving size. My favorite dirty trick in this area is Pam cooking spray. In recent years it has had "Fat Free" emblazended on the side. It is interesting how a big can of fat can be fat-free - another dirty trick. Here in Canada the rules are similar - if a serving size has less than a certain amount of fat, then you can call it fat free. On the Pam you can read that a serving size is a 0.6 second spray! WHAT!!! Pretty dirty if you ask me. - -- http://www.bodensatz.com/ TCP/IP: telecommunication protocol for imbibing pilsners (Man-page of Unix-to-Unix beer protocol on Debian/GNU Linux) Return to table of contents
Date: Thu, 25 Sep 2003 08:48:12 -0400 From: Travis Dahl KE4VYZ <dahlt at umich.edu> Subject: Re: Which temprature should I read off stick-on thermometer According to at least one of my stick on thermometers, you should read the green temperature. It's kind of odd that some of the other stick ons don't have that instruction, but they all seem to be in the same green range at the same time. -Travis [1.8, 98.3] Apparent Rennerian A.K.A. Ann Arbor, MI, USA >Hi Everyone, > >Iv'e been brewing for about 5 years on and off now, and just discovered >this list! Already I have soaked up a lot of new info....Just started >doing partial mashes, and used a liquid yeast for the first time in my >last brew. (A porter) It sure tasted good at bottling time... > >Anyway, I have one of those stick on thermometers on the side of my >primary fermenter, and I was wondering what colour is the actual real >measure of the temprature. Mine varied from 22 degrees c to 26 degree c, >22 was a dark blue colour, 24 as a light green and 26 was an amber >colour. Sorry about the metric, I live in Australia! I certainly hope >the beer didn't ferment at 26, but it did taste ok anyway at bottling. > >Thanks, > >Rusty. Return to table of contents
Date: Thu, 25 Sep 2003 10:09:27 -0400 From: darrell.leavitt at plattsburgh.edu Subject: Anorthocite and Stone Ale? I have been planning a Stone Ale, and wonder if others on the list have any experience with using Anorthocite as the stone to be heated? I have been advised that it can take high temperatures (up to 1400 C !)... Also, if one of the janitors sees this: I think that my server was burping and I may have been un-subbed...can this be corrected? Happy Brewing! ..Darrell Return to table of contents
Date: Thu, 25 Sep 2003 08:17:00 -0700 From: DAWNE TRENT & DAVID BRATTSTROM <davidb at cdepot.net> Subject: NCHF 03 The Northern California Hombrewers Festival is just one week away. If you are in the Northern California area and you want to hang out with 250 fellow homebrewers come join us Friday & Saturday Oct 3&4. Information can be found at www.nchfinfo.org HBD long time contributor John Palmer will be speaking on Water Chemistry, and Alan Sprits (Hair of the Dog founder) will be talking about Hair of the Dog production of big beers and what ever comes out of his head. - -- David Brattstrom Return to table of contents
Date: Thu, 25 Sep 2003 10:22:02 -0700 From: Jonathan Royce <jonathan at woodburybrewingco.com> Subject: RE: Claifying with Head Pressure A bit more on the topic of pressurizing a vessel to improve clarification: Spencer, Nate & Steve ("-S") all have suggested that decreased bubble formation will improve clarification (nothing to act like a buoy for particles) and I like this explanation. I hadn't considered the effect of CO2 coming out of solution, but it's definitely a valid concern. Marc Sedam suggests that the increased kinetic energy might be a factor, thus increasing the probability of a protein-protein interaction. Along the same lines as Steve's thoughts on a shift in pH caused by CO2, I can't eliminate this as a possibility, but I doubt this is the major factor at play (if one is at play at all). John Varady suggests that before equilibrium is reached, the differential in CO2 concentration between the surface of the liquid and the bottom of the tank will "set up a current flowing from the top of the tank to the bottom." However, this is absolutely not the case. This is because while there is a diffusive flow of solubilized CO2 from the top to bottom, there is no convective flow that could entrain particles and help them settle. Finally, Chad Stevens continues to suggest that the particles compress under pressure and fall faster. I still stand by my assertion that they are not compressible and therefore that this does not occur. Proteins are not ballons with an entrapped compressible fluid inside. Under 2 atm pressure there should be no real change in their size or shape. Chad further says that he likes Spencer's reasoning, but continues with a lot of stuff that's mostly incorrect, most of all that fermented beer is "supersaturated" with CO2. Supersaturation is an event that occurs when a solute (CO2) is dissolved in concentrations higher than its solubility limit. It requires all kinds of special conditions, most importantly the absence of nucleation sites which are the starting point for dissolution (or crystallization in the case of a solid solute). Clearly these conditions do not exist in a fermenter. "Saturation" is what occurs when a tank is pressurized with CO2--its a state of equilibrium between the gas phase and liquid phase of a system. This is the case of a pressurized bright tank (or carboy in our case). Anyway, as I have access to turbidity meters at work, I may bring some samples in of my next brew and do a controlled experiment to check this assertion that head pressure improves clarification. My thought is to take two PET bottles of beer and equip one with a carbonator cap. I'll then pressurize the carbonator bottle and draw samples from both daily to measure the turbidity over a period of a week or so. Sound reasonable? I'll report back with results. Any comments on the experimental setup are welcome. Happy brewing, Jonathan Woodbury Brewing Co. www.woodburybrewingco.com Return to table of contents
Date: Thu, 25 Sep 2003 20:26:46 -0500 From: "3rbecks" <3rbecks at sbcglobal.net> Subject: Listermann's I know I'm preaching to the choir, but... As much as I tend to complain about cutomer service in all aspects of my life, I figured that I should take the time to relate a truly excellent experience that I had today with Listermann in Cinncinati. I have a Phil's counter pressure bottle filler that is 5 or 6 years old. While bottling today, a plastic piece inside the 3-way valve broke and I called Listermann to try and figure out how I could jerry rig it back together in order to finish bottling and to hold me over until I could get another one. They volunteered to send me a new valve piece as their products are guaranteed for life. They apologized and took my name and address; didn't need a receipt or a date of purchase or anything. I just wanted to pass my wonderful experience with Listermann's on to everyone. Rob Beck Kansas City Return to table of contents
[Prev HBD] [Index] [Next HBD] [Back]
HTML-ized on 09/26/03, by HBD2HTML v1.2 by KFL
webmaster@hbd.org, KFL, 10/9/96