> Jim Busby wrote: > > Hi Ric, > > > > That’s what’s perplexing to me; Specs are good, i.e. basically 50DW, > 20UW, + /- a gram or 3 graduated heavier from bottom to top. > Granted, I didn’t check every note on all 8 grands, but they all seem > in the ballpark. > > Would that be 50 DW for the origional pining ? If so, and it goes up to 65-70 DW for the new pinning.. then you have a task in front of you. > Since this is for a different college I didn’t bring my whole set-up > (scale, a la Stanwood) to check strike weight and front weight, but > I’m pretty sure the hammers are too heavy. It’s like Ed said, it just > feels jumpy and squirrelly to regulate. (Now there’s some good > technical lingo…) Next week I’ll bring the works and have better > numbers to give you. > Jumpy and squirrelly are good words to describe the fly away hammer syndrome... I think perhaps you may have a problem on your hands :) RicB > > Jim Busby > > > > -----Original Message----- > From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of > Richard Brekne > Sent: Saturday, September 27, 2003 5:55 PM > To: College and University Technicians > Subject: Re: Steinway "pinning" dilemma > > > > > > Jim Busby wrote: > > > Thanks Ric. > > > > Steinway’s standard used to be “less than 4 grams” but seems to have > > changed. Now it’s not one of grams or swings but “as close to zero > > friction as possible with no side play.” This seems to be a recent > > change and I was told that Steinway has some kind of new system to > > achieve this. > > > > I did repin a few and it regulates well, but DW is now about 70. > > Changing hammer weight (strike weight) and adjusting front weight, > > etc. will bring it to what I want, but then I’ve changed their > > design and essentially voided warranty. > > > > > > Woah.... thats pretty heavy... As long as we both speak Stanwood... > > whats the present specs on that puppy ? > > > > > > You’re right about sound. It does make a difference, and their way > > seems to sound great. It just seems weird, and against what I’ve > > heard for years. > > > > I’ll try it. I’m fairly opened minded. > > > > Thanks again, > > > > Jim Busby > > > > -----Original Message----- > > From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf > > Of Richard Brekne > > Sent: Saturday, September 27, 2003 1:28 PM > > To: College and University Technicians > > Subject: Re: Steinway "pinning" dilemma > > > > Jim Busby wrote: > > > >> List, > >> > >> I am NOT bashing here...I love Steinways, but I have a dilemma. > >> (BTW, I > >> just finished prepping and tuning 12 "out of the box" 1098's and > >> they > >> are indeed wonderful instruments! None of the former problems.) > >> (Hurray!) > >> > >> Here is a new question concerning pinning on the 8 new grands I > >> have. (2 > >> D's, 3 B's, 2 M's, and an S.) Hammer flange pinning is around 1-2 > >> grams! > >> (From 20 to 37 swings) I was ready to repin, since they simply > >> don't > >> check without roughing the tails (which I believe shouldn't be the > >> > >> solution) Steinway says that they have a new flange design to try > >> to > >> "totally", as far as possible, reduce friction there. They > >> advertise it > >> as "permafree" (scary) because of the Teflon impregnated into the > >> bushing cloth. They say that as long as there is no side play 37 > >> swings > >> is OK. But is it??? > >> > > Hmm... assuming the hammers follow a solid path towards the string, > > even in hard play... it should be ok.... aside from the general > > discussion about whether or not a certain amount of friction is a > > good thing. That said... seems like an awwwwwfull lot of swings... > > 25 +.... hard to imagine thats not because of overly loose pins. I > > get quite an improvement with useing teflon powder in bushings... > > and have experienced solid pinning at 12 swings or so on occasion... > > but thats not any where near what you are describing. > > > > > > > > > > You can make the action work by making sure rep. spring is not too > > strong and by periodically roughing the tails, but conventional > > wisdom > > says we need proper friction in the right places to make an action > > feel > > and work correctly. Right?? Any thoughts on this? > > > > I like a certain amount of friction... 10 grams or so seems very > > comfortable... but then I'm rather conservative with actions. > > Friction can serve as a brake... keeps the fly away hammer syndrom > > from getting to carried away. Tho admitedly... my call on this is > > pretty subjective in nature. > > > > > > Since they are under warranty I will do as I was taught at Steinway, > > but > > my gut feeling is to repin the rail, lighten the hammers, etc. to > > achieve proper touchweight, and spend the next ten years working on > > pianos that feel "right" to me. > > > > Would be interested in hearing a follow up on these <<permafree>> > > bushings... what you think of them as you go through changing and > > servicing them over the next few months. > > > > > > I've consulted with 2 other techs who are top notch by any standard > > and > > they totally agree with me. However, two Steinway techs say their > > system > > works. How do I justify the two seemingly opposing systems and make > > the > > pianos work to my standards without bucking Steinway? Have any of > > you > > faced this yet? > > > > Steinways official line is that these should exhibit 10 - 35 swings > > ??... let them go for a while if that be... and see how well they > > perform... change one or two if you think its the right thing to do > > and compare. Loose pins cause sloppy sound... weak and falsy... you > > know it when you hear it. > > > > > > Thanks, > > Jim Busby RPT > > BYU > > > > -- > > Richard Brekne > > RPT, N.P.T.F. > > UiB, Bergen, Norway > > mailto:rbrekne@broadpark.no > > http://home.broadpark.no/~rbrekne/ricmain.html > > http://www.hf.uib.no/grieg/personer/cv_RB.html > > > -- > Richard Brekne > RPT, N.P.T.F. > UiB, Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > http://www.hf.uib.no/grieg/personer/cv_RB.html > -- Richard Brekne RPT, N.P.T.F. UiB, Bergen, Norway mailto:rbrekne@broadpark.no http://home.broadpark.no/~rbrekne/ricmain.html http://www.hf.uib.no/grieg/personer/cv_RB.html
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