Don't accept antlers for payment... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "David Love" <davidlovepianos at comcast.net> To: "Pianotech List" <pianotech at ptg.org> Received: 11/29/2007 10:11:10 PM Subject: RE: Key Lead Replacement >The acceptable minimal approach is to replace with the leads the same size. >Weigh a couple to see if they are in the same ballpark weight and then just >wholesale it: 2-4 hours depending on how easily they come out and how many >split keys you have to repair plus cost of leads, pick up and delivery, >etc.. Yamaha leads are usually bigger (not your standard 1/2" leads) but >if it's not a grey market you can get replacement leads from Yamaha. The >next least cost approach would be to duplicate the front weights. Next >would be to weigh off the action (up and down weights) and calculate the >change in front weight per key to bring in a uniform balance weight then >change the leads accordingly. After that would be create a smooth strike >weight and then do the weigh off. >In this case I would get replacement leads from Yamaha and simply duplicate >what's there. Since it's for the Elk's, tell them it might cost a few bucks. >David Love >davidlovepianos at comcast.net >www.davidlovepianos.com >-----Original Message----- >From: Farrell <mfarrel2 at tampabay.rr.com> >To: pianotech at ptg.org >Sent: Thu, 29 Nov 2007 1:08 pm >Subject: Key Lead Replacement >Looked at a 30 yo (guess) Yamaha G2 grand today with keys sticking. It has >growing key leads. Never seen that on a Yamaha before. Grinding marks on >many of the keys indicate that the leads were ground down previously. I'm >recommending that they replace all key leads. > >I've leaded keys as part of setting up an action. But I've never just >blindly replaced the leads, trying to duplicate the original setup. I know >that the owners definitely want to go minimal cost with this one (Elk's >Lodge). > >Seems to me leads are often of slightly different sizes, lengths, etc. If >you are not carefully measuring Front Weights, etc., what the heck do you >do? Seems to me the fastest way would be to pop the old lead out, weigh it, >grab a lead of the same diameter, trim it to the original weight and >install. Or is that just too trashy an approach? Do I tell them that we need >to do a traditional weigh-off (but we can't because action center friction >hasn't been addressed, etc.)? Evaluate the original FW curve and duplicate >it (but that will mean some plugging, etc., i.e. more cost)? What is an >acceptable, minimal approach? > >Thanks. > >Terry Farrell >Farrell Piano > >www.farrellpiano.com >terry at farrellpiano.com >More new features than ever. Check out the new AOL Mail!
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