[pianotech] self tuning piano

[Ron Nossaman]

On 1/26/2012 2:23 PM, Joseph Garrett wrote:

> Paul,
> Say What???!!! A basic knowledge of wood, would dispute that.

And a basic knowledge of how electrical resistance heating works will 
indicate that Paul is correct. A current adequate to raise the heat of a 
wire 20°F (can't do that on the HL list, you know), won't make a pin 
over seven times that diameter noticeably warmer.
Ron N