How long did it take GM to get the holes out of the side of the Buick engine hood? Why were they there? Not so different a thing, I suspect. Terry Farrell ----- Original Message ----- From: "Richard Brekne" <Richard.Brekne@grieg.uib.no> To: <pianotech@ptg.org> Sent: Monday, April 29, 2002 11:48 AM Subject: Re: Soundboard Installation & MC > Dale, and Brian : > > > >> > >> . Brian , Richard , Ron > > > > > > I almost hate to wade in and muddy a good discussion but I just > > want to say Brian, that your statements are on the money. No body > > thinks the thing retains crown. So I'll let M&H marketing worry about > > their own consciences. Why this discussion hasn't arrived at the > > following statement sooner I don't know. > > On the contrary !!:) seems to me you two provide some clear waters in an > already mudded discussion... and I thank you both for it. > > Still dont know if that itch in my left rear side is quite satisfied > tho.... I mean you give a decent enough reason for continueing to > install the so called resonator..... would seem to me that from a > marketing standpoint it would be just as easy to make use of legitimate > reasons for the device then ones that are << clearly false >>. And it > would seem safer. Then there is the unanswered cost effectivness > question mark. > > Still since virtually all of you discount the effectivness of this > device as any kind of a arch support I suppose I will have to accept > that as beef in lue of any reasoning to the contrary. > > Thanks again for the topical replies.. :) > > RicB > > > > > To my mind any time you stiffen anything structural in a piano rim > > you reduce the chance of energy losses which does what? It changes the > > imedance,which, simply put is a good thing in my book when it comes > > to sustain and power. > > As Del said earlier on "he has written about it several times before" > > Just think the last time a paper clip, dead fly or slight buzz from > > whatever on the soundboard has totally disrupted the energy flow of > > the piano even at FFF. The piano energy system is very inefficient. I > > heard someone say once that even a 9 ft. concert grand played at FFF > > is only producing about 1/2 watt of power. > > I think the resonator has merit as an overall tonal impedance > > improvement device.It probably won't ever allow the rim to expand or > > move that's also good right? SOO That's it ,that's all there is.!! > > I for one think the M&H guys would consider this marketing > > justification in and of itself. It just seems easier to explain it in > > a more dramatic and sales hyping kind of way to say it holds the > > crown. > > Look It's like the government trying to Justify the income tax > > scheme. The've been lying about it so long they now believe it > > themselves contrary to recent improvements in information and > > constitutional law. They simply can't change there minds now, > > otherwise it makes there predecessors look bad. > > Also the thing is probably not that expensive to make or install. > > They make the rim in two pieces so drill a few extra holes and bolt it > > in place, what's the problem. Probably $500 bucks. > > Just two more cents worth>>>>Dale Erwin>>>>>>>> > > > > > >> Although I can't see any reason to think that the > >> centripetal tension resonator would have any > >> significant impact on crown maintenance, I don't > >> necessarily think of it as useless either. > >> >>>>>>>>> > >> In my primitive thinking, it ties together the > >> various sections of the rim structure even beyond > >> what the Mason & Hamlin's massive inner and > >> outer rim and beam structure goes, making it an > >> even stronger (and more importantly at least in > >> my mind) more rigid sub-assembly. > >> > >> By tying it all together, it would seem to me > >> that stresses on a small area of the under > >> structure would be transferred to other areas in a > >> "share the load" kind of thing... might even be > >> an expanded version of the plate horn, where the > >> horn is tied into the belly rail to add support > >> to an already fairly strong plate structure. > >> > >> That's my general thought on it, and indeed > >> opinion. > >> > >> Best wishes, > >> > >> Brian T. > >> > >> > >> ===== > > > > > > > > > > > -- > Richard Brekne > RPT, N.P.T.F. > Bergen, Norway > mailto:rbrekne@broadpark.no > http://home.broadpark.no/~rbrekne/ricmain.html > >
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