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Posted: Thu Jun 19, 2014 12:52 pm
by rjent
BuckeyeDennis wrote:Ah, but good engineering
is artistry! Or even magic, if you don't understand how it works ... ]you[/U] the most satisfaction.
To me, understanding how and why wood moves can take a whole lot of frustration out of the woodworking process. I learned a lot about this subject from watching free
Charles Neil videos. A whale of a lot easier than learning it the hard way.
The "Uncup the Cup" video has lots of info about plywood cupping -- 100% relevant to the original problem in this thread.
The "12-Tin Pie Safe" video series covers, in great detail, how to select and prepare your wood to minimize dimensional accuracy problems. When I follow Charles' recommended processes (for example, "sneak up" on finished dimensions), I can't recall ever having movement problems.
In addition to the free videos on his website, you can find lots more of his videos by searching YouTube. Now mind you, Charles speaks rather slowly, so don't try to watch them when you are in a hurry. In fact, I find that watching them late at night is a great cure for insomnia!
Interesting guy. His slow talking exudes knowledge. I learned some neat tricks already. I will go through his pie safe videos with interest.
As far as engineering/artistry goes, I am intimately familiar with the concept. As a software developer, as I was for almost 30 years, there is nothing more rigid than computer language code syntax, but using that code, you can literally do anything. You constantly create and expand methods, ideas, etc. So I get it. This should be right up my alley.
Thanks Dennis!
Dick
Posted: Thu Jun 19, 2014 1:21 pm
by videobear
Going back a few posts, I had an early HP-35 too, and I loved it! RPN was "reverse Polish notation" and once you were used to it it was great because you never needed parentheses to keep the order of operations straight. To divide 7 by 3 for example, you would enter 7, 3, and the ÷ key. To do (7+3)/2, it would be 7, 3, +, 2, ÷. After about 10 minutes it became second nature, it's so logical!
Posted: Thu Jun 19, 2014 3:04 pm
by rcplaneguy
Thanks for the Charles Neal link. I've used steam to get out dents, but his idea of using alcohol (and lighting it!) is amazing. I may order some of his blotch control, too.
Posted: Thu Jun 19, 2014 3:07 pm
by BuckeyeDennis
rcplaneguy wrote:Thanks for the Charles Neal link. I've used steam to get out dents, but his idea of using alcohol (and lighting it!) is amazing. I may order some of his blotch control, too.
I either missed that one, or fell asleep while watching!
Can you point me to it?
Posted: Thu Jun 19, 2014 3:12 pm
by rcplaneguy
BuckeyeDennis wrote:I either missed that one, or fell asleep while watching!
Can you point me to it?
Here you go:
http://youtu.be/cdtsa4Sazvw
Posted: Thu Jun 19, 2014 5:26 pm
by Gene Howe
I bought a can for use on some maple I was having a problem with. It works great.
rcplaneguy wrote:Thanks for the Charles Neal link. I've used steam to get out dents, but his idea of using alcohol (and lighting it!) is amazing. I may order some of his blotch control, too.
Posted: Thu Jun 19, 2014 11:42 pm
by "Wild Bad Bob"
Neat, but a total waste of good alcohol!!! Now is that a bad hair day or a really bad tupei'??????
Posted: Thu Jun 19, 2014 11:50 pm
by JPG
rbursek wrote:Neat, but a total waste of good alcohol!!! Now is that a bad hair day or a really bad tupei'??????
Fear not, it is 'denatured'(poisoned). Also 190 proof.
Posted: Thu Jun 19, 2014 11:58 pm
by skou
rbursek wrote:Neat, but a total waste of good alcohol!!! Now is that a bad hair day or a really bad tupei'??????
My opinion, a bad "toupee."
http://en.wikipedia.org/wiki/Toup%C3%A9e
steve
Posted: Fri Jun 20, 2014 12:28 am
by "Wild Bad Bob"
My guitar making buddy uses Ever Clear to mix his shellac.
My opinion, a bad "toupee."
That was my guess too.