---------------------- multipart/alternative attachment In a message dated 11/13/03 11:30:09 PM, Erwinspiano@aol.com writes: > From me, well there are simple ways to figure angle of deflection. It's th= e=20 > rear length of the string from the front bridge pin to the aliquot times .= =20 > 026 for 1 & 1/2 degree. .017 for 1 degree. This will give you distance bea= ring=20 > specs. I believe the average bearing force for a typical 160 lb. tension=20 > scale is a bout four pounds per string at 1& 1/2 degrees deflection. What=20= I know=20 > is that pre stressing the board usually yields=A0 a similar deflection aft= er=20 > it's strung. It's simple to measure from the strut down to the bridge top=20 > after the tension is on & I usually find about the same amount of squash t= hat=20 > pre-stressing yielded. >=20 Your trig sounds betterer than mine Dale. and I find the use of plate as a=20 custom stressing framework an especially elegant method of work as the Brits= =20 have it. Have you ever slapped a few dial indicators on a plate while chippi= ng to=20 see if it jinks around at all ? Just curious Glenn C. ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/c1/a1/dc/d3/attachment.htm ---------------------- multipart/alternative attachment--
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