bass string design

[Delwin D Fandrich]

----- Original Message -----
From: John Gunderson <jgunderson@monmouth.com>
To: <pianotech@ptg.org>
Sent: Wednesday, August 04, 1999 5:55 AM
Subject: bass string design


> Thanks to all for the input.  I think that Del Fandrich provided the
answer I
> was looking for, that being that there is an optimum proportion of  core
> diameter to o/a diameter.  Thinking about it, it make sense that as you
bend a
> wrapping around a core you are stressing the outter fibers of the
wrapping.  The
> tighter the bend, the greater the stress.  Eventually a point is reached
where
> the fiber structure is damaged and the wrapping is no good.  The two
factors in
> how tight you are "bending" are the core diameter (circumference) and the
> wrapping radius (distance from the center).
>
> Thanks again for the advice...  Back to the drawing board.  JHG
>
>
> John Gunderson, Associate Member, North Jersey Chapter
>
----------------------------------------------

John,

That wasn't given as an "optimum."  More like a maximum.  I'm still working
on the optimum part.

Del