[nbc] Cob: bicycle powered cob mixer

[Arlie Haig]

Hi Matthew, just wanted to say I love the new word you created -- 'gring'.
Very appropriate for the process you describe!
;-)Arlie
----- Original Message -----
From: "Matthew HALL(SED)" <M.Hall at shu.ac.uk>
To: <buffalokiller at hotmail.com>; <coblist at deatech.com>
Sent: Wednesday, March 20, 2002 1:13 AM
Subject: Re: [nbc] Cob: bicycle powered cob mixer


> Brian
> buffalokiller at hotmail.com writes:
> > You don't know me and you're generalizing me, categorizing me.
> >I'm just someone who loves bicycles, has access to old bikes and parts,
and
> >knows how to weld. The goal is to come up with a device that will allow
the
> >convergence project in Portland to not have to rely on electricity, and
> >maybe save some money that would have to be spent on renting mixing
> >machines.
> If you are really keen on a mechanised bicycle-related approach to cob
mixing then you could do a
> lot worse than to study the techniques that have already been tried at the
University of Kassel or
> the FEB in Germany. Every kind of eccentric mixing device you could
possibly conceive has been used
> in some shape or form there. They have a website but it is obviously all
in German.
> >
>
> One method that may be applicable to you is one where you have a vertical
fence pole stuck in the
> centre of the mixing pit and a horizontal pole pinned across the axis such
that it can spin 360°.
> On one side of the pole you have a series of large tyres that roll across
the cob mix and gring it
> up very effectively. The other end of the pole was propelled by a quad
bike driving around in a
> circle over the mix. The effect is rather like a motorcross pugmill, i see
no reason why this could
> not be used with bicycle power instead of motorbike.
>
> Regards
> Matthew
> >
> >
>
> ____________________________________________________________________
> Matthew Hall BSc (Hons) GradBEng
> PhD Research Student
> Centre for the Built Environment
> Unit 9 Science Park
> Sheffield Hallam University
> Pond Street
> Sheffield S1 1WB
> England
>
> Tel: +44 (0) 114 225 3200
> Fax: +44 (0) 114 225 3206
> E-mail: M.Hall at shu.ac.uk
>
>
>
>