[pianotech] Downbearing

[Ron Nossaman]

Dean May wrote:
>  >>I don't see any relationship to vertical hitches here either.???
>  >>Ron N
> 
> Sorry if I wasn't clear. This probably won't help.
> 
> I sat in on a class by Del Fandrich and he was talking about using the 
> vertical hitch pins with the groove at the top to hook the string 
> around. He gave as a reason to improve the flexibility of the backscale 
> especially in the bass. The groove allows the string to pivot up and 
> down with the vibrations.

Right, because the string doesn't have to flex at an aliquot.


> A postive backscale angle will impede bridge movements up more than 
> down. Vice versa for a negative angle. A zero backscale angle will have 
> equal impedance in either direction.

Again, no. A positive NET angle between speaking length and 
back scale does this, but the back angle alone doesn't. The 
whole bridge does, after all, move.
Ron N