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Re: [SB-r-us] Re: GSBN:Jeff Ruppert and clay tests



I would say that to get a good answer on this, I would defer to Harry 
for his comments, and then I most likely would have a few for him, and 
then perhaps we can get to the bottom of it.

Bill

On Thursday, January 9, 2003, at 01:35 AM, Kester Wilkinson wrote:

> Bill posted ...<snip>
> I do know that if you have a
>> clay plaster going in the mixer and you start adding lime, you
>> eventually hit a point where the mix suddenly gets very stiff, stiff
>> enough that if you don't immediately add water the paddles are likely
>> to stop turning and the breaker to pop.  At this point the mix also
>> becomes very greasy.  I'm not sure, but I think this is a decent field
>
>> test for the minimum amount of lime to add to a given batch of clay.
>
> This happened when we were plastering our house, we mixed up a batch of
> clay plaster in the paddle mixer and then thought to add a bit of lime,
> so we lobbed in a bucket of putty which seemed to be mixing in pretty
> well so we headed off to the tank to get another bucketful, as soon as
> we turned our backs on the mixer there was a big screech and the motor
> stopped.  The lime/clay mix had formed a very stiff mix, which we
> couldn't free even by adding water so we had to get in with spades and
> trowels and kind of cut it out.  In following this lime/clay thread, I
> had been puzzling as to how people are mixing it up ? or do I just need
> to take more care and not add so much lime ? or have I missed 
> something,
> being an idle office worker if there is a machine that won't gum up let
> me know.
>
> Kes
> Cold and snowy in herefordshire
>
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Athena & Bill Steen
The Canelo Project
HC1 Box 324
Canelo/Elgin, AZ 85611
absteen@...
www.caneloproject.com


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