Negative bearing

[Greg Newell]

Ron,
    Thanks for the light bulb! I thought I was on the right track but it's nice to
get the verification.

Greg

Ron Nossaman wrote:

> >Ron,
> >    What are you doing with a new board to eliminate the need for a
> >cantilevered
> >bass bridge? Are you thinning the board or routing it in proximity to the
> >location of the bass bridge to make it more flexible in that area? Is not the
> >reason for the cantilevered design to get the bulk of the bridge away from the
> >edge of the board? Just trying to gain understanding.
> >
> >Greg
>
> Greg,
> I think the purpose of the cantilever is to get the longest possible bass
> string length in the piano for the marketing department without having to
> mount the bridge on the rim. So, like you say, the mounting point is out on
> the soundboard where it will let the strings make some noise. I move the
> bridge in and shorten the bass strings. That gets the bridge mounting point
> away from the rim, and the string length is never missed. It also lengthens
> the back scale so the soundboard isn't tied to the hitch pins by those
> original short back lengths in the very place that it needs the most
> flexibility. Further flexibility can be gotten by thinning the panel,
> undercutting the low end of the bridge, or floating the soundboard in the
> tail. All of these work to varying degrees depending on the length of the
> piano, and all of them are easier on the soundboard than a cantilever.
>
> Ron N

--
Greg Newell
mailto:gnewell@ameritech.net