SCRIBNER'S LUMBER & LOG BOOK 1888

interesting book and fun to read
https://archive.org/details/scribnerslumberl00scri
SCRIBNER'S LUMBER & LOG BOOK
FOR SHIP AND BOAT BUILDERS, LUMBER MERCHANTS, SAW-MILL MEN, FARMERS AND MECHANICS. BEING A CORRECT MEASUREMENT OF SCANTLING, BOARDS, PLANK, CUBICAL CONTENTS OF SQUARE AND ROUND TIMBER,
one of my favorite from the front pages
"Among the vast number of recommendations of this book which we have received from time to time, we think it unnecessary to insert any here, as the book is too well known to require their publication. The popularity of the book is seen by its immense sales. "
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On Mon, 17 Aug 2015 12:34:50 -0700

complete this sentence
"Hard wood stumps decay in five to six years; spruce stumps decay in about the same time; hemlock stumps in eight to nine years; cedar eight to nine years; pine stumps,_______________"
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even the most dilligent researcher.
:-)
Puckdropper
--
Make it to fit, don't make it fit.

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On 18 Aug 2015 04:38:54 GMT Puckdropper <puckdropper(at)yahoo(dot)com> wrote:

the answer is never
the book is a fun read i like the instructions on how to measure height of a tree
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On 8/17/2015 9:28 PM, Electric Comet wrote:

Southern Yellow or White Pine?
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On Mon, 17 Aug 2015 12:34:50 -0700

boil wooden pulleys in olive oil for eight minutes to make them as hard as copper after they dry
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On 8/17/2015 10:15 PM, Electric Comet wrote:

Well depending on the wood, that could either make them harder or sifter. Copper is pretty soft.
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On Mon, 17 Aug 2015 12:34:50 -0700

another interesting one they provide a table of circular saw speeds
formula for determining the rpm of the rim of a circular saw blade 9000/((2*Pi*r)/12)
it is pretty close for my 7 1/4 skilsaw which is rated at 5300 noload rpm the formula gives 4741 rpm
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On 8/19/2015 5:48 PM, Electric Comet wrote:

I had to dig into this.. ;~)
I'll assume that 9000 feet per minute is the "ideal" linear speed for cutting wood. Basically a tad over 100 mph. And that the formula is to determine how fast the any sized blade needs to turn to cut at the ideal speed. FWIW RPM at the rim is the same as it is at the arbor. I think you probably meant to RPM of the blade so that the rim speed is correct.
I use a slightly simpler formula. 9000/((3.14*d)/12)

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