At 07:49 AM 10/31/1999 -0600, you wrote: >K Anderson wrote: > >> I 've been finding new (to me) ways to use straightedges lately. I knew >> about using them in key leveling, of course, and traveling hammers and >> setting hammerline. Oh, yes, anytime checking for warpage, as with >> keyslips. (Maybe there were more but they don't come readily to mind just >> now) Recently I found a straightedge handy to see if the bridgetop was >> really ready for the new capping material, and to see if the new cap was >> as good as I hoped...then to see if my new bridgepins were filing down >> to an acceptably consistent height. Then when stringing I used a 6-inch >> steel ruler to doublecheck height & level of the front string length >> (before the pressure bar). Next, I got out my nice straight 24-inch ruler >> to see if the warped lid of the bench being rebuilt is getting any more >> level with all that sanding, before applying new veneer... Now I'm >> thinking of using it on the battered sides of the next piano in line, to >> doublecheck for a nice level surface after sanding & before refinishing. >> What other uses do you find for straightedges? > >The straightest straightedge is not a straightedge but rather a >non-straightedge that is made to be straight. The non-straight >straightedge in which I am referring is when you use a string for a >straightedge. When this type of non-straightedge is pulled straight it >becomes the straightest straightedge of them all! You can use this type of >straightedge for straightening all kinds of non-straight things simply by >pulling it tight so that it becomes straight. Examples for this kind of >straightening include hanging hammers straight, checking for non-straight >soundboards, (i.e. crown), by holing the straightened non-straightedge across >the >back of a soundboard, checking the straightness of a keyboard by >straightening your straightedge across the keys, and many other straightening >jobs. I hope you have it straight now when I tell you that there is more >than one type of straightedge. Now you go straight away and try this. Soon >there won't be a non-straight thing around!! > >Rob Goodale, RPT >Las Vegas, NV > String !!!!- And when drawn between two vertical posts which are attached to the action brackets as described in a recent Journal article by Ernie Juhn are a rather ingenious devise, if I say so myself. However a different version; and proven in the field is the available through Pianotech "TautLine Regulation Guide" (part # TRLG). Don't leave home without it. Just an addition to this thread, Jon Page, Harwich Port, Cape Cod, Mass. mailto:jpage@capecod.net ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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