On Mon, 23 Mar 2009 16:12:09 -0800, "Paul Hovnanian P.E."
wrote:
Jim Thompson wrote:
I have a nice big piece of stone art work that has a bi-metal
thermometer (and a clock) mechanism built-in.
The bi-metal has died (too many 120°F day ?:-).
Anyone know where to obtain such a mechanism?
Surfing only produces complete units, not just the mechanism.
Ran onto a posted thread with similar need... NO, nada, none,
responses :-(
You might try searching some woodworking or crafts stores and look for
kits for thermometer, barometer, hygrometer stations.
Here's one:
http://www1.rockler.com/product.cfm?...co okietest=1
You might have to buy a complete unit and pul the mechanism out, but for
$8, you might not get a mechanism much cheaper.
That's what I was thinking, as a back-up move.
The problem I see is that these units have a fixed degrees of rotation
per degree temp ratio. You may have trouble finding one that matches the
face of an existing instrument.
Already made me a cardboard template that I carry with me ;-) A
preliminary shopping tour shows that it must be a Taylor bi-metal
element. But I haven't yet found a sturdy one... everything is
plastic, without the bi-metal encased. I may have to patch-up the
existing one. Its problem is a warped housing (from the heat ;-)
...Jim Thompson
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