Bass bridges

[James Grebe]

Thank you for the info, Ron.
James
James Grebe   Piano Tuning & Repair   Member of M.P.T.
R.P.T. of the P.T.G. for over 30 years.   "Member of the Year" in 1989
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----- Original Message ----- 
From: "Ron Nossaman" <rnossaman@cox.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Saturday, January 07, 2006 12:00 PM
Subject: Re: Bass bridges


>
>> Can someone state the pro and cons over a curved bass bridge versus a 
>> straight bass bridge.  Surely the scale design would be more complicated 
>> in a curved bridge situation.
>> Thanks,
>> James
>
> The curved bridge seems to me to be an attempt to make as many of the bass 
> strings as possible, as long as possible with a given rim shape. Other 
> than that, it doesn't really affect scale design that much. For scaling 
> continuity, it would be nice to be able to make the highest monochord 
> about 5% shorter than the lowest bichord, but there usually isn't that 
> much room to play with. I normally like to go to a straight bridge with 
> redesign, so I can extend the high bass out closer to the rim if I want to 
> for better stiffness control.
>
> Ron N
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