---------------------- multipart/mixed attachment Dear List I don't know if anyone else has tried this before, installation of casters on this model of Yamaha console never designed to have them. It's a 1968 piano at the alternative pilot school where my younger son is in 9th grade. I was at a beginning-of-the-year clean-up and someone mentioned that it would be nice to put casters on the piano, as it was quite tippy on the four-wheel dolly they moved it around on. Clearly the narrow base needed to be expanded by the addition of standard toe-blocks, but the minimal construction of the piano made that look dicey. Then I remembered a 4' length of 2"x3"x1/4" iron anlge back at my shop, and among the parents there was one who did his own welding. So I sent him off with a drawing of the cut-out necessary to allow removal of the bottom board. "A few months passed" (as they say in the fairy tales, and as usually the case in unfunded R&D), and I did the installation last week. ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: Yam<.jpg Type: image/jpeg Size: 34756 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/17/27/e1/68/Yam.jpg ---------------------- multipart/mixed attachment Here are the angle toes with plate casters and back plates welded on. ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: SteelToes.jpg Type: image/jpeg Size: 19648 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/a8/ed/77/21/SteelToes.jpg ---------------------- multipart/mixed attachment As you can see, there wasn't much to tie the carriage bolts into, but=20 with the weight of the piano resting snuggly in the angle iron it=20 seemed to me the only thing to stress the fastening here would be=A0=20 someone slamming the casters into a steel threshold, ging from one room=20= to another. Fortunately, inside the building there were none of those.=20= Note the 1/4" dia. lag in the corner of the caster plate going up into=20= the beech bottom of the back frame. For good measure. All fasteners are=20= located so that they can be tightened with out removing the bottom=20 board or even tipping the piano. ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: YamCloseup.jpg Type: image/jpeg Size: 28422 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/58/9f/39/97/YamCloseup.jpg ---------------------- multipart/mixed attachment The finished installation, all set for walnut-tone Rustoleum. Apparently I forgot the final shot, with the piano upright and its panels back on. Believe me, it rolls like a limo! ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: Yam>.jpg Type: image/jpeg Size: 32616 bytes Desc: not available Url : https://www.moypiano.com/ptg/pianotech.php/attachments/9d/ea/59/ac/Yam.jpg ---------------------- multipart/mixed attachment So, I'll keep an eye on this installation as it goes through the years.=20= But now, with serious casters and its base expanded by 50%, it's much=20 safer. And ready to roll! Bill Ballard RPT NH Chapter, P.T.G. "May you work on interesting pianos." =A0=A0=A0 ...........Ancient Chinese Proverb +++++++++++++++++++++ ---------------------- multipart/mixed attachment--
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