Sy We have a hardwood floor and, unfortunately, not all hardwoods are truly hard. Our Steinway upright with the double rubber wheel school casters leaves very noticeable tracks but our Yamaha C3 with the Jansen square cup dollies with the 4 outrigger wheels leaves no dents or tracks whatsoever. Don't know how they would do on a concert grand but you might ask Paul Jansen or Bob Marinelli (Pianotek). Derivative thought: fasten a plate in place of each caster assembly so that two casters per leg could be attached. If you're concerned about the piano being raised too high, you might put the auxilliary plates on top of the spider which would lower the piano a little. Also, I noticed at Cal State Convention that Bob Marinelli had some spiffy-looking moving dollies with soft tires. Maybe he would have some ideas about where to get friendlier wheels. Tom Sy Zabrocki wrote: > > A school has a problem with a Baldwin Model D concert grand. The piano > is on a standard Y grand piano truck but the weight of the piano still > makes tracks on the stage floor. The wood in the floor is apparently > fir, a soft wood which is common on stages. > > The school is asking for wider surface wheels. Most supply houses seem > to carry the same product. Whole new casters are available or only the > wheels. I've not seen any with a wider wheel. > > Has anyone encountered this problem? > > Sy Zabrocki -- Thomas A. Cole, RPT Santa Cruz, CA mailto:tcole@cruzio.com
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