I just don't like to see someone's considerable and valuable work be denigrated. David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "David Love" <davidlovepianos at comcast.net> To: "Pianotech List" <pianotech at ptg.org> Received: 2/8/2008 10:06:16 PM Subject: RE: 37 steps---delayed response >David: >I wouldn't give the procedural parsing to much thought. Sometimes people >just need their own self serving angle. The steps that Yamaha provides in >their class are designed to give an overview and sequence to a comprehensive >regulation process and to help insure that you don't do things in an order >which is counterproductive. There is nothing inherent in their procedure >that states once through and you're done. Clearly a second pass, as it >were, is often necessary depending on the state that the action is in when >you start. Some procedures will influence others and some will not. As in >all things, common sense (being none too common) should prevail. While some >people may prefer the just start somewhere and do it approach, the 37 steps, >viewed in this way, would be a benefit to most. >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 David Ilvedson >Sent: Friday, February 08, 2008 8:03 PM >To: pianotech at ptg.org >Subject: Re: 37 steps---delayed response >First, I hate to sound like I'm defending Yamaha's regulation effort at all >costs. Of course we do things first that have to be done first...Roger's >jumping springs, for instance...your entire list of pre-regulation. I do >know that LaRoy and Yamaha didn't work out there approach thinking we can >leave that out because any idiot knows to bed the keyframe first etc. >"Then why title it and present it as if it were a linear sequence? I think >Yamaha is sending a mixed message here that is responsible for an awful lot >of confusion and misunderstanding among piano technicians." >Just curious...have you ever taken a LaRoy Edwards class? But explain to >me how the 37 steps is responsible for confusion and misunderstanding among >piano technicians? >David Ilvedson, RPT >Pacifica, CA 94044 >----- Original message ---------------------------------------- >From: "Israel Stein" <custos3 at comcast.net> >To: pianotech at ptg.org >Received: 2/8/2008 4:28:39 PM >Subject: Re: 37 steps---delayed response >>At 11:00 AM 2/8/2008, pianotech-request at ptg.org wrote: >>>Israel, >>> >>>Obviously, a short email message can't convey your approach and no >>>offense, but I don't >>>get how this is a clearer and less potentially misleading conceptual >>>framework. In your class you would have to list your stages and >>>all that is included in each stage, right? >>> Certainly things have to be done in the right order. You don't >>> align hammers to strings without tightening action screws, >>> etc. Surely, you have class handout? >>> >>>David Ilvedson, RPT >>>Pacifica, CA 94044 >>Actually, David, wrong on all counts. No handouts, no sheets, no >>lists in my classes. They learn by doing - you get an action model >>and you learn how to regulate by regulating. I give them a short >>verbal introduction What typically happens is that I explain to them >>the various stages - and most everyone (except for the rawest >>beginners - the class is not aimed at them) can right away tell me >>themselves what functions are dealt with in each stage. It's just >>logic - don't need a list. After that they dive right in, sink or >>swim. With plenty one-on-one coaching and occasional short >>discussions of what was done, how and why it works or doesn't... And >>they learn to see whether or not something was done from the results >>- not from checking an item off on a sheet. That's what I keep trying >>to tell you - the action itself can tell you what needs to be done >>when. I just show them where to look and how to read analyze the >>relevant information. >>As far as tightening screws, I did not include that stage in my >>"Regulation" concept because I feel that all that is "pre-regulation >>repairs". The action has to be in good repair before you can regulate >>it - screws tight, center pin friction correct, stripped screws >>repaired, lubrication points lubricated, keys eased, broken parts >>replaced, rep springs cleaned, keypins and capstans >>polished, etcetera (see my reply to Roger Jolly). If you want to >>conceive of it as the first stage of regulation - fine. But >>conceptually it is once again a totally different beast from aligning >>parts, or working out specs, requiring a different mindset and >>approach. Anything broken or worn or loose or tight or dirty? Fix it. >>There's lots of truth in Cy Schuster's little joke about the "very >>first step" - tightening screws has more to do with fixing and >>cleaning than with regulating. >>If you toss away your linear thinking and really get into this >>scheme, you will see that within each stage, the precise order of the >>individual steps is not all that crucial - you are going to have to >>go back and forth somewhere, it's a circle - not a line... From the >>messages posted by the likes of David Andersen and Roger Jolly it's >>obvious that different circumstances require different orders - they >>are determined empirically, by observation. I try to teach the >>students what to observe and how to go from there... And where the >>exact order is important - well, it's pretty obvious. Any idiot can >>understand and remember that you can't set key level before bedding >>the keyframe. Don't need a list for that... But does it really matter >>whether you level the keys first or space the hammers to strings >>first? Has more to do with how your shop is set up and whether or not >>you use lead weights or transfer jigs than with anything else... >>The point of this conceptual organization is that students deal with >>a small number of function in each stage, thoroughly learn the >>relationship between these functions and how they affect each other >>and are then able to erect their own order of regulation suited to >>each particular situation they encounter. And the relationship >>between the stages is just common sense logic. So who needs a list >>and a pre-determined order of steps? >>Israel Stein
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