[pianotech] Spontaneous String Breakage

[Tom Driscoll]

Subject: Re: [pianotech] Spontaneous String Breakage


>
>> Duaine,
>> I'm having trouble imagining how the dampers leaving the surface of the 
>> string with the pedal could contribute to string breakage. Isn't the 
>> damper off the string anyway when the hammer impacts ?
>> Any explanation of this theory appreciated,
>> Tom Driscoll
> 
> Tom,
> It's not the lifting of the dampers that does it, it's riding 
> the pedal and not allowing them to damp that's the problem. 
> It's a timing thing, When a string is being hit OFTEN and 
> HARD, and isn't damped between blows, the hammer will hit the 
> string that's already at the top of it's excursion, and over 
> stress it for the 214,000th time. This is particularly common 
> in small churches with big names
> Ron N
>
Ron,

Got It, Thanks,

Tom driscoll