Steinway B regulation.

[Delwin D Fandrich]

Rolland Miller wrote:
> 
> Hello list,
> 
> I sent this post out on the 26th but  made a typo mistake in the last paragraph
> stating the piano was an M.  It's a B.
> 
> 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

One more question:

You mention key dip is in the 0.390" range -- how much of this is
aftertouch?