Fw: [Cob] Cob mixing tests

[Bill&Julie]

----- Original Message ----- 
From: "Bill&Julie" <wkbjkb3 at mn.rr.com>
To: "Clint Popetz" <clint at cpopetz.com>
Sent: Saturday, June 24, 2006 2:40 PM
Subject: Re: [Cob] Cob mixing tests


> Does anyone have any experiance with animal cob???
> It was good enough 500 + years ago...
> Some one should re-discover it....
> Cows do it,, with out training...
>
> Oh poop!   bill  ~¿~
>
> ----- Original Message ----- 
> From: "Clint Popetz" <clint at cpopetz.com>
> To: "Susan Evans" <seasider48 at yahoo.com>
> Cc: <coblist at deatech.com>
> Sent: Saturday, June 24, 2006 12:34 PM
> Subject: Re: [Cob] Cob mixing tests
>
>
> > I think any method _can_ produce good cob.  The trick is being able to
> > detect good cob when you have it.  It's the number one question people
> > mixing cob for the first time have asked me.  "Hey, can you check if
> > this is done?"   And I asked that many times of Ianto when I was first
> > mixing cob too :)
> >
> > Now when you're driving a bobcat over cob, it's harder to tell when
> > you're done, 'cause you have to shut it off, go poke around, and get
> > back on.  So you might get tired of that, or you might not notice the
> > pockets of too-sandy or too-clumpy or too-strawy until you start
> > putting it on the wall, and then you might not feel like starting the
> > bobcat up again.  When you're mixing by feet, you can tell as it
> > gradually gets to that sweet spot, but it's of course taking a lot
> > longer to do.
> >
> > I think everyone should be able to mix in whatever way they like.  If
> > mixing with your feet is too hard on your body, by all means
> > experiment with machines.  Just check the mix a lot until you're
> > satisfied, and keep track of how long it took to get to the satisfied
> > point, so that you can streamline the work as the walls go up.
> >
> > -Clint
> >
> > On 6/23/06, Susan Evans <seasider48 at yahoo.com> wrote:
> > > Has anyone tested the various cob mixes?  There seems to be a lack of
> definitions on the mailings - hand-mixed cob is deemed superior to machine
> mixed. Surely this does not mean my poor hand-mixing is superior to a
> machine-mixed batch that I have spent a reasonable quantity of time
> preparing.  Has anyone done any actual tests?   One could test by using
the
> same ingredients - straw cut to the same length for all mixes, etc. and
mix
> by hand, then also by various machine methods.  Then test to failure.  Are
> the mixes comparable in strength at that time?
> > >
> > >   There is too much variance in individual abilities and methodologies
> to assess this properly otherwise, I think.
> > >
> > >   My hand-mixed cob is likely to be very poor as I have a bad back and
> am in my late 50s.  I would be unlikely to spend a lot of time stomping
> around on a tarp.  It would not be very cost effective for me either.
> > >
> > >   What exactly determines the superiority/inferority of a cob mix?
> > >
> > >   Sue Evans
> > >
> > >
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