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Basic physics meets Dumb and Dumber!

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Basic physics meets Dumb and Dumber!

#1

Basic physics meets Dumb and Dumber!

Dinyar Chavda

>It's been cold in PA---not the way it is cold in some places, but cold enough for us. What has been particularly nasty is that the temperature dropped from a high of almost 60 last week to 30 this week, and last night, the low was 10, with a wind chill of -10.

I work in my garage, where I have very limited space, plus my wife has a hard time with the fumes from finishing products (doesn't bother me, probably due to the immunity built up in my youth in India, where buses and trucks laid down their own battleground smoke screen!). So, I do a lot of my finishing on the patio, let it air out a bit, and then bring the piece into the house to dry, having learnt the hard way that finishing and any cold do not go together (thanks, Russ, for that lesson!)

Anyway, I had finished some yew with Waterlox, and had left the Waterlox out on the patio. One of my club members, Tom Buchner, had shared with me his technique of preserving Waterlox and preventing the film that normally happens on the top if left exposed to air. He pours it into a spaghetti jar (although I think that any jar would work--grin), and then fills the jar to the top with water. THe Waterlox, being lighter, rises to the top, and there is no air left in the jar to cause the film. As you use the Waterlox, you keep adding more water.

It works great! The only problem is when you leave it out in the cold, as I found out this morning when I went to let Bear, the dog, out. There was a ring of Waterlox around the base of the jar! I frowned for a moment, picked up the jar, and shook it, and the water did not move! DUUH! IT had turned to ice, which, of course, expands, forcing the Waterlox out as it did. FOrtunately, I guess, the lid was not on perfectly tightly, otherwise I would have had broken glass all over the place.

Dinyar.

P.S. All the finishing materials are back in the garage!

Re: Basic physics meets Dumb and Dumber!

#2

Re: Basic physics needs reminder

Fred L. - North Carolina

>Dinyar:

I tend to forget these basic facts of life. Thanks for the reminder to keep finishes out of the weather.

Regards, FredL

Re: Basic physics meets Dumb and Dumber!

#3

Re: Basic physics meets Dumb and Dumber!

Mark Mandell - Gone Round in New Jersey

>Dinyar,

Years ago I bought a couple of big bags of cat's-eye marbles. I add'em to finish containers that are prone to skin/auto-polymerize/dry out as I use the contents. When the can's full of marbles, pour in some thinner, empty, repeat, spread'em out to dry.

Don't have to worry about solvent finishes freezing.

Mark

drop the 2 for mail

Re: Basic physics meets Dumb and Dumber!

#4

A little rick I learned from Ellis

TDaniel

>Dinyar, I had trouble with Waterlox and was told by Ellis that a shot of propane would cut off the oxygen and prevent the Waterlox from gelling. I have been doing this for a year now with no more losses. This is another way this forum has saved me money.

TD

Re: Basic physics meets Dumb and Dumber!

#5

Re: A little rick I learned from Ellis

Ron Sardo from PA

>I heard about this before, but always thought this was a bit dangerous.

What do you think?

Re: Basic physics meets Dumb and Dumber!

#6

Re: A little rick I learned from Ellis

TDaniel

>Works for me. Lots cheaper than Bloxygen and does the same thing. Less flammable than a lot of the stuff I use in the shop.

TD

Re: Basic physics meets Dumb and Dumber!

#7

Re: A little rick I learned from Ellis

Floyd Knapp

>Second that. I use propane now. I sealed a can of varnish three years ago and it is still scum free.

Floyd

Re: Basic physics meets Dumb and Dumber!

#8

Re: A little rick I learned from Ellis

Ron Sardo from PA

>Well maybe you are right, my burns-a-matic (sp) tanks are propane...

What is the best way to get the gas into a tank - should I use my torch (sans match)?

How much do you put in?

Re: Basic physics meets Dumb and Dumber!

#9

Re: A little rick I learned from Ellis

William R. Duffield, on the Cohansey

>Probably not nearly as dangerous as the rags used to apply/clean up the BLO, or even lacquer thinner, acetone, ethanol or especially toluene fumes, or even the gasoline can for your lawn mower or chain saw. You don't need very much to displace the oxygen, probably less than you let escape every time you light your propane torch or lantern, and a lot less than escapes when you light your grill. When you open the container, it immediately disperses. If you want to carefully compare the potential for explosions, however, you should look at the MSDS for the different solvents. The number you are looking for is the LEL, or Lower Explosion Limit. The Bloxygen marketeers would like you to believe it's a lot more dangerous than it really is.

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