[Homeroast] Poisson's ratio WAS: Re: Compak vs Macap vs Rocky Grinders

Scott Miller peechdogg at gmail.com
Tue May 18 22:25:29 CDT 2010


And I thought we were going to have a reprisal of Abe Vigoda's role on
Barney Miller...

cheers,

SfM

On Tue, May 18, 2010 at 4:36 PM, Ryan M. Ward
<silvercro_magnon at hotmail.com>wrote:

>
> Hey, I never met a French fish I didn't like.
>
> --
> Ryan M. Ward
>
> *Note: This email was sent from a computer running Ubuntu Linux 9.10
> (Karmic Koala)
> http://www.ubuntu.com
>
> **Note: This signature was placed here by me and is not
> automatically-generated-annoying-end-of-email-spam placed here by anyone
> other than myself. I am a Linux nut and am doing my part to support open
> source software and the Linux and Ubuntu communities by getting the word out
> with each email I send, I encourage you to do the same.
>
>
>
>
> > Date: Tue, 18 May 2010 09:30:03 -0700
> > To: homeroast at lists.sweetmariascoffee.com
> > From: sweetmarias at sweetmarias.com
> > Subject: Re: [Homeroast] Poisson's ratio WAS: Re: Compak vs Macap vs
> Rocky    Grinders
> >
> > Doesn't this mean "Fish's Law"?
> >
> > Are we gonna take our queues from fish now? French fish at that?
> >
> > ;-0
> >
> > >Engineering is all voodoo anyway ;)
> > >
> > >--
> > >Ryan M. Ward
> > >
> > >*Note: This email was sent from a computer running Ubuntu Linux 9.10
> > >(Karmic Koala)
> > >http://www.ubuntu.com
> > >
> > >**Note: This signature was placed here by me and is not
> > >automatically-generated-annoying-end-of-email-spam placed here by
> > >anyone other than myself. I am a Linux nut and am doing my part to
> > >support open source software and the Linux and Ubuntu communities by
> > >getting the word out with each email I send, I encourage you to do
> > >the same.
> > >
> > >
> > >
> > >
> > >>  Date: Tue, 18 May 2010 07:59:46 -0700
> > >>  From: theotherjo at gmail.com
> > >>  To: homeroast at lists.sweetmariascoffee.com
> > >>  Subject: Re: [Homeroast] Poisson's ratio WAS: Re: Compak vs Macap
> > >>vs Rocky    Grinders
> > >>
> > >>  Mike,
> > >>  Nice to hear a human description of a "Natural" force of nature.  We
> being
> > >>  part of nature. Although some would argue I'm not at all natural of
> this
> > >>  earth like my mother who used to ( tongue in cheek I'm sure ) tell
> friends
> > >>  when introducing me as a child that "Joe did not come by stork, there
> was
> > >>  this small shiny ship that landed one night in our neighborhood."
> Could this
> > >>  be why I love Sci fi and this black gold that runs through this
> list's
> > >>  vein's? I did a wiki pedia and some other reading so I would have a
> clue
> > >>  when you and RayO or anyone else shares information on this 'spro
> tamping
> > >>  topic.
> > >>  Very interesting and fun now back to my coffee.
> > >>  JoeR
> > >>
> > >>  On Tue, May 18, 2010 at 7:34 AM, Mike Koenig <koenig.mike at gmail.com>
> wrote:
> > >>
> > >>  > I'm probably splitting hairs here, but Poisson's effect happens on
> the
> > >>  > molecular level, with bonds elongating under pressure or strain.
> > >>I'm not a
> > >>  > geoscience guy, but I imagine the effect effect would happen in
> rocks,
> > >>  > dense
> > >>  > clays and shale, etc,  but what you are seeing in a coffee puck is
> > >>  > interactions between discrete non-uniform particles.
> > >>  >
> > >>  > I'm not arguing at all that you don't get some lateral expansion
> during
> > >>  > tamping, since that certainly does happen, but it's not necessarily
> > >>  > uniform,
> > >>  > and dependent on the distribution (and re-arrangement under force)
> of the
> > >>  > particles, as opposed to poisson's effect, which describes a
> predictable
> > >>  > amount of lateral expansion based on the change axial length.  If
> the
> > >>  > expansion was due to poisson's effect, the puck would spring back
> when you
> > >>  > let go of the tamper.   What you are getting is some re-arrangement
> of the
> > >>  > particles under force (like when you step in sand, and it moves out
> of the
> > >>  > way under your foot).
> > >>  >
> > >>  > --mike
> > >>  >
> > >>  >
> > >>  >
> > >>  > On Tue, May 18, 2010 at 3:01 AM, <raymanowen at gmail.com> wrote:
> > >>  >
> > >>  > > Then I don't know why the grounds would press out and seal
> against the
> > >>  > > sides
> > >>  > > of the basket when you are only applying axial force with the
> tamper.
> > >>  > > Hydrostatic?
> > >>  > >
> > >>  > > I hope I don't owe a refund of all our pay at the Geophysics
> Research
> > >>  > > Institute at CSM. Please don't tell Dr. Levent Ozdemir or Dr.
> > >>Russ Miller
> > >>  > > we
> > >>  > > were doing bad oil shale research. Damn!
> > >>  > >
> > >>  > > What supports you when you walk on a sandy beach?
> > >>  > >
> > >>  > > Teach me, please. -ro
> > >>  > > _______________________________________________
> > >>  > > Homeroast mailing list
> > >>  > > Homeroast at host.sweetmariascoffee.com
> > >>  > >
> > >>  > >
> > >>  >
> > >>
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> > >>  > > Homeroast community pictures -upload yours!) :
> > >>  > > http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
> > >>  > >
> > >>  > _______________________________________________
> > >>  > Homeroast mailing list
> > >>  > Homeroast at host.sweetmariascoffee.com
> > >>  >
> > >>  >
> > >>
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> > >>  > Homeroast community pictures -upload yours!) :
> > >>  > http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
> > >>  >
> > >>
> > >>
> > >>
> > >>  --
> > >>  Ambassador for Specialty Coffee and palate reform.
> > >>  _______________________________________________
> > >>  Homeroast mailing list
> > >>  Homeroast at host.sweetmariascoffee.com
> > >>
> > >>
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> > >>  Homeroast community pictures -upload yours!) :
> > >>http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
> > >
> > >_________________________________________________________________
> > >Hotmail is redefining busy with tools for the New Busy. Get more
> > >from your inbox.
> > >
> http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_2
> > >_______________________________________________
> > >Homeroast mailing list
> > >Homeroast at host.sweetmariascoffee.com
> > >
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> > >Homeroast community pictures -upload yours!) :
> > >http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
> >
> > --
> > -Tom
> >
> >
> ____________________________________________________________________________
> > "Great coffee comes from little roasters" - Sweet Maria's Home Coffee
> Roasting
> >                Thompson & Maria - http://www.sweetmarias.com
> >
> ____________________________________________________________________________
> >      Sweet Maria's Coffee - 1115 21st Street, Oakland, CA 94607 - USA
> >              phone/fax: 888 876 5917 - info_at_sweetmarias.com
> >
> > _______________________________________________
> > Homeroast mailing list
> > Homeroast at host.sweetmariascoffee.com
> >
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> > Homeroast community pictures -upload yours!) :
> http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
>
> _________________________________________________________________
> Hotmail has tools for the New Busy. Search, chat and e-mail from your
> inbox.
>
> http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_1
> _______________________________________________
> Homeroast mailing list
> Homeroast at host.sweetmariascoffee.com
>
> http://host.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetmariascoffee.com
> Homeroast community pictures -upload yours!) :
> http://www.sweetmariascoffee.com/gallery/main.php?g2_itemId=7820
>


More information about the Homeroast mailing list