Steinway B regulation.

[Eric Leatha]

>>I am servicing a Steinway B grand made in  about 1968.
>>
>>While checking it out and tuning,  it didn't feel right.  I found:
>>1. Jack tenders blocking hard.  One broke while I was tuning.
>>2. Blow about 1 and 5/8"  which is short of the 1 3/4" that Sienway suggests.
>>3. Key dip was not real even but in the .390 range.
>>4. The drop screws were screwed way down but the drop wasn't as wide as I
>>expected from looking at the      position of the drop screw tops.
>>5. Action frame and flange screws where tight.
>>
>>The specs are off but not so much that I would expect the tenders to block as
>>"hard" as they were.
>>I lowered one capstan to get that hammer to a 1 3/4" blow and the jack still
>>blocked hard.
>>
>>When I go back this Friday I plan to take the stack and keys off the key
>>frame,
>>set the glides, put it back together and see what the regulation specs are
>>then.
>>Then diagnose to see what the problems are at that point.
>>
>>This is the first "B" I have worked on and I would like whatever suggestions
>>list members can give.  Especially if the "B" regulates a little
>>different from
>>most other pianos.
>>
>>Thanks ahead!!!!
>>Rolland Miller, 70642,3604@compuserve.com
>
>Rolland,
>
>I may be wrong, but last time I checked, the hammer blow on B's and D's was
>1 7/8 inches.  My Steinway Tech Guide is at my office, but I remember
>running into a similar instance a couple years ago.   This should give you
>a little more hammer travel to work with.   Perhaps someone else has their
>manual handy and can verify this.  Happy reg'latin'!
>
>
>"Tunings are like bridges... Some are more exceptional than others, but
>they all get the job done."
>
>Eric Leatha, RPT
>Portland, OR
>tunrboy@teleport.com

Just sat down and checked the manual- Rolland's right- 1 3/4 inch on S - B.
Sorry.


Eric Leatha, RPT
Portland, OR
tunrboy@teleport.com
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