Better Bass Scale for M&H A

Mike and Jane Spalding mjbkspal@execpc.com
Fri, 1 Nov 2002 21:19:32 -0600


Roger, Del,

Thanks for your input.  By "swept", do you mean with a continuous champfer, not notched for bi-chords?  This one is notched.   Is the reason for the double loop to keep the German loop from slipping?

thanks,

Mike

----- Original Message ----- 
From: Roger Jolly <roger.j@sasktel.net>
To: Pianotech <pianotech@ptg.org>
Sent: Friday, November 01, 2002 2:35 PM
Subject: Re: Better Bass Scale for M&H A


> 
> >
> >If I had to take my choice between rescaling and moving the bass bridge on
> >this scale, I'd move the bridge every time. No matter what waveforms you
> >have in the strings, if you tie the soundboard down and don't let it move
> >you won't get much sound out of the piano.
> >
> >Del
> 
> Hi Mike,
>                   I can only echo what Del has pointed out. However there 
> is a partial solution.
> Order your strings un terminated, or get the string maker to  make German 
> loops for you, with a double loop for the hitch pin.
> We don't see too many Mason's in this area, so I'm no expert. But I noticed 
> the A, I had for a stringing  class in Atlanta, had a swept bridge 
> line.  Evening up the bi chord lengths by notching the bridge  will also help.
>    The lowest strings would have had the back winding within 15-20mm of the 
> rear bridge pin.
>    I have done a couple of small pianos where the bridge was too close to 
> the rim, and terminated the strings with German loops. It in essence, gains 
> you 35-40mm of back scale.
>   The traditional back winding when it comes close to the bridge, is like a 
> piece of rebar, clamping the bridge.
> 
> Just an idea to throw into the mix.
> 
> Regards Roger
> 
> 
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