I'm not necessarily familiar with the "wrap around style dolly" - where and what is this available? What you say makes sense. I'd sure like to see one. Terry Farrell On Mar 9, 2010, at 8:38 PM, Dean May wrote: > I really do not like the dollies that cradle the piano on the bottom > board. > Pianos were designed to be supported at the point of the casters. The > support of the front caster gives a solid support to the keybed. > Otherwise > all of the downward force on the keys has to be transmitted to the > side > panels, then to the bottom board assy, then to the dolly. That is a > lot of > stress that the keybed to side panel joint was not designed to > handle. I've > seen institutional pianos with loose keybeds that had been on these > kinds of > dollies. > > Plus, the bottom board assy may not be structurally strong enough to > handle > all the stress. One piano I take care of has the bottom board warped > up high > enough that the bottom panel is near impossible to get off to > service the > dampchaser. I have to unscrew the spring clip to get enough > clearance to > rotate the panel forward and even then it scrapes against the bottom > of the > keybed. > > I highly recommend using only the wrap around style dolly that gives a > support at each corner of the piano. That is where the designer > intended for > the weight and playing loads to be carried. > > Dean > > Dean W May (812) 235-5272 > > PianoRebuilders.com (888) DEAN-MAY > > Terre Haute IN 47802 > > > -----Original Message----- > From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] > On Behalf > Of Terry Farrell > Sent: Tuesday, March 09, 2010 5:02 PM > To: pianotech at ptg.org > Subject: [pianotech] Upright Dolly Recommendation > > A church client called me today and asked me to order a dolly for > their Yamaha upright (don't think it's a U-series - maybe like a T-118 > or so). I don't have much experience with these. Anyone have a > recommendation? I'm thinking something like the #4009 Upright Twin > Dollies from Pianotek would do the job. Do these hold up? I see they > have a #4010 heavy duty dolly with bigger wheels - but does that put > the piano way up in the air? Any input would be appreciated. > > Terry Farrell >
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