Bridge design

[Ron Overs]

Terry wrote:

>A few days ago I was looking at the bridge on a Baldwin M grand. It 
>did exactly the same thing you are describing. If you notice 
>(assuming I'm on the right track here) the undercut fades out and 
>begins on the other side where there is a dogleg in the bridge. My 
>guess at what they were trying to do was to keep the soundboard 
>contact footprint one continuous curve, i.e. a "straight" curve (as 
>opposed to a squiggle).

Exactly Terry. The Bösendorfers from the 70's had doglegs which were 
not undercut. They began undercutting them on each side for footprint 
reasons sometime in the 80's. We have been making bridges with the 
dog leg at the top of the cap and a continuos footprint on the panel 
since 1989. I believe it is important for bridge for an aft mobility. 
However, we won't go there, since the last time bridge rocking was 
considered on list it went for months and we probably all have the 
same views as when we started out.

Thanks for the pics yesterday Terry. I've glanced over them and will 
have a good look soon.

Best,
Ron O.
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