Steve Brady raises the issue of lubricants and invites experiences. It seems logical enough for us to lubricate something which is both rusty and seizing up. Trying to accomplish a tuning on those Steinway 45" uprights without some lubrication is virtually impossible. The string resists, resists, resists and then all at once it ...releases and goes way too far the opposite direction. R-r-r-r-rrrr!!!! One lubricant which I have used and will NOT use anymore is that Teflon SuperLube which comes in a tube with a hypo oiler tip. It did the job but... over time (1 year) it reduced to a sticky residue which impeded the vibration of the string. I had used it at the pressure bar. So what was very good at first was bad at last. Does anybody know what the lubricating agent is in Protek CPL? Whatever it is, it must not reduce or evaporate to a gummy substance over time. BTW, I'd like to know why this liquid costs $40.00 per quart? ($160 per gallon?) Is it a derivitive of a rare rain forest nut? How about a Material Safety Data Sheet on it? David Sanderson Littleton, MA Pianobiz@aol.com
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