S&S D with high strings/low action stack

[Andrew and Rebeca Anderson]

Thanks David,
I really appreciate this tip.

Andrew Anderson

At 09:48 PM 10/9/2006, you wrote:
>Shimming the flanges is not that difficult or time consuming.  You only need
>to shim the top of the flange.  I use fibreboard which I get from Steinway
>(of all places)--it's on their price list.  With a sharp matt knife cut
>strips long enough for each section of contiguous flanges.  Make the strip
>about 2 mm wide, just enough to slip below the top of the flange.  Remove
>all the wippens from each section and then secure the material by screwing
>down a flange at each end of each section and then screw on the rest of them
>in between.  If the thickness of the fibreboard is not quite enough then
>build it out with heavy paper packing tape underneath the fibreboard.  You
>can do the whole thing in an hour easily with a battery operated screw
>driver.  In addition to getting the jack to align more favorably, you'll
>also reduce the action ratio slightly.  Improper spread is a common problem
>with Steinway and, fortunately, they seem to be generally on the short side.
>
>
>David Love
>davidlovepianos at comcast.net
>www.davidlovepianos.com
>
>-----Original Message-----
>From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
>Of Andrew and Rebeca Anderson
>Sent: Monday, October 09, 2006 6:55 PM
>To: Pianotech List
>Subject: Re: S&S D with high strings/low action stack
>
>The jack knuckle angle has the pivot of the jack too far forward
>(towards the pianist) so shimming the whippens out makes sense, until
>I actually have to do it, that is... :-(
>
>At 01:02 PM 10/9/2006, you wrote:
> >Hi Dave, Andrew... whomover;
> >
> >Agreed on the relevancy bit :) It was good for a chuckle tho.  I
> >should know I've done worse ofte times enough.
> >
> >About the jack/knuckle alignment tho... he didnt give us which way
> >the angle was... but noting the drop screws are all the way up and
> >overstriking.... I'd certainly take a good look at whether or not
> >the stack is too low. If I had to hazard a guess I'd say he probably
> >sees the jack angled inwards and the shanks fairly high off their
> >cushions... assuming he went with 10 mm dip and reasonble amount of
> >aftertouch.  He didnt say but I suppose the let off screws are about
> >as high as they can get as well.
> >
> >Always hard to say tho with what we have so far.
> >
> >Cheers
> >RicB
> >----
> >
> >Missed that, I guess.  Not really relevant to my comments which still stand
> >as far as what to check.  Poor jack/knuckle alignment suggests the spread
>is
> >off.
> >
> >I suppose a four year history on the piano will be very telling...you go
>RB!
> >
> >David Love
> >davidlovepianos at comcast.net
> >www.davidlovepianos.com