stuff for my dad
2007-02-01 16:39:02.394442+00 by
Dan Lyke
9 comments
I started to write a longer intro for this, it's over in Of Woodworking And Airplanes. I talked with my Dad yesterday, and he mentioned the link to Tom Plamann.
So I mentioned turning the base to that building a Jupe Table that I mentioned, which isn't perhaps as dramatically huge as I remembered but still looked like an awful lot of wood spinning around, and...
The next tool coming to the U.S. from Festool is something called the Domino. Kind of a biscuit joiner on steroids. A few people have them. Among them are Per Swenson and his father, and they build bars. Here's a note on using the Domino to butt-mate two 12 foot 60 lb rails, some pictures of their work off of their site and some pictures of their work off of WoodShopDemos.com. Not quite as dramatic as Tom Plamann's work, but still some impressive alignment and finishing.
[ related topics:
Photography Aviation Sociology Work, productivity and environment Archival Furniture Woodworking Festool
]
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#Comment Re: wood bleach question made: 2007-02-01 18:26:35.315932+00 by:
m
Chlorine bleaches will work on some stains, though are usually better on dyes. Stains are typically a particulate coloring mechanism as opposed to dyes which utilize a chemical coloring techinique. Oxygenation of the dye, or its adsorbed form will usually alter the color of the dye (not always in a desired manner). Percarbonates (oxiclean, etc) are a little weaker, but will sometimes bleach items that chlorine bleaches will not. There are stronger wood bleaches which are usually called two part bleaches. These use some peroxide which is then mixed or applied with a caustic base, commonly sodium hydroxide. These can cause some terrible burns. Not just the alkali base, but the monoatomic oxygen released as well. While we commonly think of hydrogen peroxide (3%) as a mild and innocuous medicinal, higher concentrations are extremely dangerous. The warnings on the package are well justified for two part wood bleach.
I tried using two part wood bleach on an ash turning without much permanent success, but I was looking for a bone white bleaching and may have had excessive expectations. Others I know have used the stuff with rave reviews. I didn't bring it with me when I recently moved, so I can't give you a product name. I got it at Woodcraft, Woodworkers supply, or some such online retailer.
#Comment Re: made: 2007-02-01 19:03:42.510818+00 by:
Dan Lyke
Thanks, I hadn't thought about using hydrogen peroxide, but that'd make more sense than chlorine. I need to stop at the hardware store today, I'll ask about bleaches that they have when I do. Luckily, this is a table that was stained top and bottom, so we've got hidden wood to experiment on.
#Comment Re: peroxides made: 2007-02-01 22:28:46.300089+00 by:
m
Sorry, I didn't mean to suggest bleaching the wood with hydrogen peroxide, but rather other peroxides. There are a wide variety of peroxides used for different purposes. One is used to break down the structure of ear wax for people who have stopped up ears. It is even more gentle than 3% hydrogen peroxide. It is a different compound, not just a different strength. The "two part wood bleaches" are also different compounds, and I have no idea what peroxide(s) they are. Only that they require an alkaline environment, and are quite potent.
#Comment Re: made: 2007-02-01 23:00:35.593351+00 by:
Dan Lyke
Went by Jackson's Hardware today for some other stuff and the paint guy recommended oxalic acid, and figuring that there's always use for oxalic acid around the house (for cleaning metals) I got a tub of that. I'll report back, if that doesn't work I'll track down some of the two parter stuff, or one of the other peroxides.
On other fronts, one of those pictures up there had an inlay elk, Per has a few pictures of coating it with epoxy on the Sawmilll Creek forus.
#Comment Re: Woodbleach made: 2007-02-04 14:41:34.917159+00 by:
m
Quite coincidentally I ran across a wood bleaching thread on a turning blog. Two additional ideas.
Mix a 25% solution of swimming pool chlorine powder (home center, a commercial name is "Shock". Let it settle after mixing, wipe on with a rag.
Second, at least in Canada, you can get 35% hydrogen peroxide at health food stores. Mix up about a 5% lye solution, paint it on the wood to be bleached. Then paint on the hydrogen peroxide. Let sit. Repeat as desired. When done, rinse with water, then white vinegar, then with water until the vinegar odor is gone.
The 25% chlorine solution, 5% lye and 35% peroxide are extremely dangerous. Use goggles, rubber gloves, and extreme care -- especially if you are not used to handling caustic and corrosive liquids. In the event of an accident or spill, immediately flood with water for 5-10 minutes, seek medical attention if warranted.
#Comment Re: stuff for my dad made: 2020-12-22 03:16:11.248761+00 by:
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