Nordheimer action

[Don]

Hi Carl,

MacLeans piano's in Winnipeg was/is selling that line.

At 11:04 PM 1/8/2003 -0600, you wrote:
>Third look at a Nordheimer piano , date of manu. 9142000. ? ?
>
>Reluctant to post this, ..... but here goes.
>
>Quite new when first saw it about a year ago, at least new to me.
>Very badly out of tune. Something seems odd about the piano.
>I'm guessing it left the factory without much quality control,
>or enough tunings. Looks like a modern black plastic finish.
>Since that first tuning, I've been back a couple of times. To retune,
>and to do some action work. 
>
>I would do some adjusting of lost motion, let-off, and it would change
>before
>I had a chance to finish. Lubed capstans, flanges, damper springs with
>marginal improvement.  Middle action bracket not installed , and seems
>like most 
>of the inconsistencies appear around this area, particularly. Looks and
>feels like 
>a new instrument, but am wondering if absence of the middle bracket
>could be the cause of these problems?
>Took action off and turned out the middle post about an 1/8 turn. ...
>Big change.
>Turned post back in some, ....  would guess the total adjustment
>translates to
>maybe 2 millimeters . This should eliminate any possibility of motion at
>that post.  Hammer blow was approx. 2 inches. Set between 1 3/4 and 1
>7/8 inches. 
>Did some more adjusting of lost motion and action seemed lighter to the
>touch. Originally there were many bobbling hammers. Don't think anyone
>else worked on it.
>Does anybody have an opinion where this piano could have come form, and
>why so many fundamental things wrong ? Told customer about my suspicion
>re.centre post. He wondered if possible to obtain same. I didn't know.
>Possible that after adjustments are made, it will stablize and be OK.
>Didn't want to quizz customer as to where he got it.  ?????????????? 
>Curious to hear opinions.
>
>Carl / Winnipeg
>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives
>
>

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.

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