Mass Loading Bridges

Farrell mfarrel2@tampabay.rr.com
Fri, 3 Feb 2006 11:13:15 -0500


This is a multi-part message in MIME format.

---------------------- multipart/related attachment

------=_NextPart_001_003F_01C628B2.D42A27A0

Here is a pictures of an assortment of brass-mass - all done from round =
stock, bandsaw and small drill press.



Below is picture of them installed.



Terry Farrell

----- Original Message -----=20
> I'm finally getting around to working on the piano which had a boomy=20
> crossover from the long bridge to the bass bridge.  I'm envisioning=20
> getting some rolled brass stock and cutting off pieces for=20
> this.  I've cut aluminum with a carbide blade, I think brass might be=20
> a little harder.  How difficult is this to do?  I'd drill a screw=20
> hole in the center and temporarily set under the bridge until I get=20
> the impedance I want.
>=20
> How do you pro's do this?  Where do you source your material and what=20
> is your favorite means of machining it?
>=20
> Andrew Anderson
------=_NextPart_001_003F_01C628B2.D42A27A0
An HTML attachment was scrubbed...
URL: https://www.moypiano.com/ptg/pianotech.php/attachments/96/92/63/81/attachment.htm

------=_NextPart_001_003F_01C628B2.D42A27A0--

---------------------- multipart/related attachment
A non-text attachment was scrubbed...
Name: not available
Type: image/jpeg
Size: 47254 bytes
Desc: not available
Url : https://www.moypiano.com/ptg/pianotech.php/attachments/88/ee/09/6b/attachment.jpe

---------------------- multipart/related attachment
A non-text attachment was scrubbed...
Name: not available
Type: image/jpeg
Size: 39133 bytes
Desc: not available
Url : https://www.moypiano.com/ptg/pianotech.php/attachments/de/a2/61/c1/attachment.jpe

---------------------- multipart/related attachment--



This PTG archive page provided courtesy of Moy Piano Service, LLC