[pianotech] Securing Pianos to the floor

[JimWilsonian at aol.com]

> Dear Jurgen, et. al., 
> Indeed, you are correct that pianos on ships would need more securing than 
just resting in a conventional caster cup.   My client emailed me to tell me 
that he'd found a "yacht company" who custom makes what he's looking for.   It 
looks like a brass German beer stein and is about 3" tall.   The piano's leg 
sits inside that and presumably is secured to the custom caster cup.   The caster 
cup has a traditional base.   That base is secured to the floor.

Thanks!
Jim


> From: "Jurgen Goering" <pianoforte at pianofortesupply.com>
> Subject: [pianotech] Securing Pianos to the floor
> 
> > You can buy caster cups from most supply houses, or from Jim Grebe. Just
> > screw the caster cups into the floor, and put the piano legs in the cups. 
> 
> 
> Not!
> Speaking as someone who has been on large and smaller ships in heavy 
> weather,
> I can attest that the last thing you want to worry about in that moment is a
> 750 lb grand piano which has jumped over the rim of the caster cups and is
> now creating havoc in the main salon, rolling to and fro, overturning 
> tables, 
> smashing into walls and crushing furniture, hopefully vacated furniture... 
> If someone believes that a 1/4' or 3/8" lip on a caster cup provides an
> adequate guarantee that the piano will stay  put, I suggest that they have
> never been on a real ship when it encounters real weather, as will be
> unavoidable from time to time.  The operative words are "safety margin".
> 
> For this purpose, the cup should be closer to 3/4 or 1" deep.  Better yet:
> remove the caster and bolt a square cup to the floor which snuggly fits the
> piano's legs
> 
> Jurgen Goering
> 
> 
> 
> 
> 




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