rim laminations

[Delwin D Fandrich]

----- Original Message -----
From: "John Delacour" <JD@Pianomaker.co.uk>
To: <pianotech@ptg.org>
Sent: August 19, 2001 4:43 AM
Subject: Re: rim laminations


> For this last function, 'hardness' of the material is probably not
> significant especially as the glue line will increase this, within reason
> (hemlock might make a difference!) but mass might have a tonal effect and
> mahogany, in spite of its 'softness' in comparison to beech or maple is
> actually significantly denser than either.

Hemlock is considerably denser than some of the Select Hardwoods being used
in some imported pianos.

Del