[pianotech] Replacing the Casters on a Yamaha C113 Studio Model

George Bartlett georgebartlett at nf.aibn.com
Tue Dec 2 13:55:51 PST 2008


Hi Folks,
I have been requested  to replace the small casters (1inch)  I think, on a
Yamaha C113.
This piano is a school instrument and is frequently moved. The issue is the
piano itself is only 11 inches deep with only a total depth from back to toe
of 19 1/2 inches and 44 inches in height. I have tried dollies but the
shallow depth of 11 inches would appear to leave it unstable.(I'm thinking
of safety here) I have never used  twin dollies on a piano this small. 
Actually by raising it on larger casters of any kind other than the ones on
it, I feel could make the piano possibly unstable. Looks like the small
wheels used by Yamaha with a low center of gravity were to compensate for
the narrow depth of the whole piano.
Does anybody have any ideas what could SAFELY work on this small Studio and
make it easier to move around? ....I know they should have bought a
different model.........
Regards
George
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