Thanks for clearing that up Ken, However, when reading the part about wood cells around tuning pins, it seems to support my practice of drying a block before stringing, doesn't it? Respectfully, Thump --- Ken Jankura <kenrpt@earthlink.net> wrote: > Dear Thump, > OK, one last time, all together now, holes in wood > act as wood itself would > act. Fact. Truth. Take it to the bank. > A FINGER-SIZE HOLE IN WOOD WILL GET BIGGER WHEN WOOD > IS PLACED IN WATER. > One note of exception - the hole will initially get > smaller as water enters > the wood fibers and cells and spaces by the cut > edges. But upon equilibrium, > you'll wonder why you drilled the hole so big. > Please do it yourself, drill > a hole in a piece of wood, place wood underwater, > next day play a game of > throw the drill bit through hole from 10 feet away > without touching the > sides of hole. Ain't that fun? > Ok, then drill a hole in wood, place it in the > microwave or oven till dry. > You will not be able to put the drill bit in the > hole, guaranteed. I'll > watch Titanic (can I pick something else?) with my > finger in the wood in > water if you do it with your finger in the wood in > the oven. Deal? Actually > I wouldn't want to do it, as it might hurt for a > while, until enough water > uptake. > Pinblocks are from another planet and do not follow > the golden wood rule. > The wood is constrained from free movement by the > cross laminations, so the > only place it can expand or contract is just around > the cut edges. Wood > cells shrink just around the tuning pin hole in the > dry season, so loose > pins; wood cells swell just around the tuning pin > hole in humid season, so > tight pins. > A piece of wood and a piece of pinblock react > differently, never ever > confuse the two or you might get something stuck. > Read Bruce Hoadley 'Understanding Wood', don't just > take my word for it. > Ken Jankura RPT > Fayetteville PA > > > ----- Original Message ----- > From: "gordon stelter" <lclgcnp@yahoo.com> > To: "Pianotech" <pianotech@ptg.org> > Sent: Thursday, February 27, 2003 9:15 PM > Subject: Re: Drying pinblock before stringing > > > > Actually, I have heard plenty stories about pianos > > strung here in the hot and humid Souweth, in the > > summer, which develop loose poins when the furnace > is > > turned on. I'm merely tryiong to cancel the > effect. > > Thump > > > > Try this: Drill hole in block of wood, diameter of > > finger (use mic). Now, insert finger full length, > find > > easy chair, dip block in bucket of H2O, watch > > "Titanic". > > > > When film is completed, > > try to remove finger. > > > > Answer question: > > Does finger get stuck because hole gets A) Larger > with > > water added to wood? > > B)Smaller with water added to wood? > > Stick hand in oven---(low heat!) > > Watch "Titanic" again. > > Does finger come out? > > Why? > > > > Next Question: > > Chaise longue is to aardvark, as rubber band is > to: > > A)"Astroturph" (TM) > > B)Cold cream > > C)Rhinocerous > > > > --- Richard Brekne <Richard.Brekne@grieg.uib.no> > > wrote: > > > > > > > > > gordon stelter wrote: > > > > > > > Nope. Its just what holes in wood do, as the > fiber > > > > around them contracts from lack of moisure. > > > > ( Been eating those flowers, again Bambi? ) > > > > Thumper > > > > > > > > > > Nope... just bringing up another past > discussion. > > > Seems that not > > > everyone agrees with you on this subject. Don > Manino > > > for example, (if I > > > am not mistaken) takes the view that the hole > does > > > exactly what would > > > happen if there was wood there..... shrink. > > > > > > I havent gotten around to trying to find out the > > > truth of the matter > > > myself. Just constertate that it seems to be an > open > > > issue. > > > > > > Cheers. > > > > > > Anyone got a carrot ? > > > > > > -- > > > Richard Brekne > > > RPT, N.P.T.F. > > > UiB, Bergen, Norway > > > mailto:rbrekne@broadpark.no > > > http://home.broadpark.no/~rbrekne/ricmain.html > > > > > > > > > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Tax Center - forms, calculators, tips, more > > http://taxes.yahoo.com/ > > _______________________________________________ > > pianotech list info: > https://www.moypiano.com/resources/#archives > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/
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