Bird calls/what does this have to do with anything?

[Paul]

I agree!!

Paul Chick

----- Original Message -----
From: <JIMRPT@AOL.COM>
To: <pianotech@ptg.org>
Sent: Wednesday, April 12, 2000 10:58 PM
Subject: Re: Re: Bird calls/what does this have to do with anything?


>
> In a message dated 4/12/2000 11:24:35 PM, Ron N. wrote:
>
> <<"So what do you suppose the criteria was
> for different manufacturers to decide how high up the scale to extend the
> dampers?">>
>
> Ron;
>  Easy question actually. It is a distal approximation delved from the
African
> Hooded Raven...you know the big black birds that shade the water by
spreading
> their wings over their head so they can better see the fish they hunt?
The
> distal approximation part comes the length of wing span which exceeds the
> birds beak tip combined with total wing length from root to tip.
>  Manufactureers used this proportion/ratio to determine where to stop the
> dampers based on the theory, as far as the birds are concerned, that
anything
> past their beak...(or damper stop point) is interesting but essentially
> useless...therefore they might as well let it do what it wants to do and
not
> waste time and energy fooling with it.
>  Unfortunately there are several sub-species of these Ravens and each have
a
> different beak-to-wingtip ratio.....obviously different manufacturers used
> different sub-species of Ravens and consequently we have as many different
> stop points for dampers as there were sub-species used.
>  Although this, i.e Distal Raven formulae, is a rather well known fact in
the
> circles of the intelligentsia of our craft I'm not quite sure just how the
> rabbits come into play............Hmmm.
> Jim Bryant (FL)
>