[pianotech] Erwins key dip gauge

jim ialeggio jimialeggio at gmail.com
Sat Feb 28 19:20:23 PST 2009


Dale,

Mcmaster-carr seems to have some 10mm aluminum rod

Jim


On Sat, Feb 28, 2009 at 7:42 PM, <erwinspiano at aol.com> wrote:

> *Jim
>   Metric brass is impossible to find I'm told. If I can find a source I'd
> make new gauges with  another piece of 10 mm on the other end.... or not.
>  By the way what is the standard equivalent of 10 mm exactly. Bet it's
> slightly less than .390
>
> * Dale
>
>
>
>
>  Dale,
>
>
> What an elegantly simple idea.
>
> In using one of these; is there a reason to go with .370 dimension rather
> than the full .390...other than the fact that .370 can be had off the shelf,
> and you need a lathe to get to .39?   Seems like .39 would skip the shim bit
> which always seems to turn out to be an exercise in inefficiency.
>
> On the other hand .370 allows the tool to be used in various
> gradations.....?
>
> Jim
>
>>
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>
> --
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