I have no ideas except; 1. A bad casting job and used anyway or 2. Keep It Simple Stupid is not a concept followed by but a few piano makers. Steinway and Mason plates are made simply which makes rebuilding easier. Chiekering with some of his inovations is an example of the opposite view. Go figure. Newton nhunt@rci.rutgers.eduOn Nov 22, 9:34am, John W. McKone wrote: > Subject: Re: grand plate flanges... > >All plate members, struts, bars and other parts are tapered to permit release > >from the mold without completely distroying the mold. To machine the flange > >for the pinblock would require considerable time and effort that the foundry is > >not set up to do nor to many piano factorys have such equipment. It is SO much > >easier to machine wood than metal. > > Newton > > nhunt@rci.rutgers.edu > > This makes perfect sense when looking at fairly straight flanges, but what > about those wacky angle blocks that we sometimes run into. The very first > block I ever did was on a Bradbury that had a flange that slowly rolled > from 90 degrees on the treble end to about 75 degrees at the horn. What > possible design reason could there be for making a mold like this? > > John McKone, RPT > St. louis Park, Minnesota > (612) 280-8375 > mckonejw@skypoint.com > > > > >-- End of excerpt from John W. McKone
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