Mass Loading Bridges

Ron Nossaman rnossaman@cox.net
Sat, 04 Feb 2006 10:38:14 -0600


> These remind me of a design I saw on one of Darrel Fandrich’s pianos in 
> which short ribs like these were installed between each of the longer 
> ribs along the bridge line.  I don’t believe they were brass weighted 
> though I am curious as to whether their purpose was to smooth impedance. 
> 
>  
> 
> David Love


No, they weren't weighted, they were stiffeners of sorts, but 
there were plenty of weights attached here and there 
throughout the piano, at least in the piano at Reno. As an 
exercise in what's possible in a new piano with some 
retrofitting, it was impressive.
Ron N

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