Thanks, Ron. Where to you get the powdered graphite. I've used dag before, I'd like to try it with water as a vehicle. Fenton ----- Original Message ----- From: "Ron Nossaman" <rnossaman at cox.net> To: "Pianotech List" <pianotech at ptg.org> Sent: Monday, February 25, 2008 10:27 AM Subject: Re: Pinblock transfer agent > >> I have experimented with chalk, graphite and crayon and maybe other >> products that I've forgotten to show witnessing between plate and >> pinblock for fitting, and for one reason or another I've not been >> completely satisfied with any of them. Nothing seems as good as the >> original graphite coating used by S&S. This original agent works through >> the fitting process until I get to the very last couple of passes when >> I've got almost a complete fit and need a couple more re-applications. >> I would so much appreciate hearing what you use, where you get it and how >> you mix & apply it. >> Thanks, >> Fenton > > If what's on the plate already isn't enough, I use a slurry of powdered > graphite and water, brushed onto the flange. After getting what I consider > a reasonable fit, I glass them in with the final plate positioning, with > West System and colloidal silica. Do they need fitted at all when they're > glassed in? As much as I take off the transition area between the webbing > and flange to accommodate high spots, I think so to minimize stress on the > plate when it's screwed down. As far as flange fit to the plate? I don't > know, but I fit 'em anyway. I neither top fit (except for obvious > discontinuities), nor glass the webbing area. > Ron N > >
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