I agree with Steve! No matter what your are cooking, stay out of the plume and avoid the fumes! Carbonmonoxide is toxic and is a product of all combustion. ...
Any of y'all who plan to swing by and have directions to our place need to make a small, but important, change. They just renumbered the exits on I-10 to match...
Hear, hear! It's about time FL caught up with the times. As an ex-trucker, I used to hate trying to find my way around in the few states that did not use mile...
Has anyone investment cast nickel silver? I've been trying, and I end up with good detail, until I rub the part. The parts have massive scale that comes off....
Andrew, You can mix 2 to 3 % bentonite into your sodium silicate core sand for an easy breakout. But use the cores within 3 days. Otherwise they will start...
Guys, I would like to cast a 'vanity plate', standard 6 X 12 about a 1/2 inch thick at the thickest part, with an engraved logo. That would give me thin areas...
Bill: Sounds like you have extruded and rolled plate. You will need to add about 5 ounces of copper to each 4 pounds of aluminum to improve the castability of...
Guys, I would like to cast a 'vanity plate', standard 6 X 12 about a 1/2 inch thick at the thickest part, with an engraved logo. That would give me thin areas...
Yes, all of these additives work well with aluminum. The sodium silicate binder system works BEST with aluminum, OK for copper base and steel, and WORST with...
... about ... That's interesting about the copper. Can anyone (anyone probably being Fred ... If you need a source of copper in small but larger than average,...
If you use fireclay or china clay instead of bentonite, your cores will not deteriorate in storage. If they still fall apart in a few days, you are ...
... I found out not too long ago that carbon monoxide is, quite worryingly, a persistent toxin in the blood. I had thought previously that breathing the ...
T. Corbett, I have the same problem with my co2 cores deteriorating after a day or two. I'm using straight 100 mesh sand, no clay but about 4% sodium silicate....
In a message dated 4/30/02 2:27:57 PM Pacific Daylight Time, ... Bill The casting industry already uses standard bottom valves. Have you looked to see if you...
I just stumbled across a fantastic site at: http://www.castingsource.com/ If you take a look at the reference section and the casting design examples you will...
If you are using sodium silicate with a fine sand or with a fine additive, like clay, it tends to gas very quickly. The rule of thumb is to gas as little as...
Since melting scrap seems to be a popular topic right now, I was just given a huge load of old lawn mower engines, and some nice heads and manifolds and...
Jack, That is a nice site and the examples are good. (shameless plug) one of my "children" is the 767 uplock example. Enjoy, Fred Feiertag Boeing Materials...
I obtained a FLUKE 80TK thermocouple adapter for my Fluke 27 multimeter. I also have a possible K type thermocouple lined up. Since it has to be an immersion...
Get a couple or three feet of thermocouple wire with insulation rated at 2000+ degrees from McMaster-Carr, then you don't have to worry about shielding...
in melting small engines i have found it safe, but some mower deck are mag, you can test with vinager. Ken B............. ... Do You Yahoo!? Yahoo! Health -...
I have an engine shop that saves me engine blocks and any scrap they have laying around. So this could be a problem for me. How do you test with vinagar?...
Your right, Don't use leaded glass or mix your silicon bronze with any scrap containing lead. it'll form lead silicate which will ruin your melt. In other...
I have been biting my tongue so to speak, but it is time to contribute to this discussion. First the practical, if a bit of mag alloy found its way into your...
... looked to see if you can just buy one? I haven't been able to find any information on them, and I've assumed from the beginning that they're too expensive...
Bill, What a nice job of illustrating your ideas. Thanks for making them so very clear. For a small scale foundry there is little advantage to a bottom tap...
Lead silicate forms a super hard and thick dross that you cannot skim off no matter what you try. It's almost like a reddish colored ceramic. You cannot skim...
... contribute to ... <snip an excellent response to hazards in melting metal> Fred, You have given an excellent response to the magnesium burning question and...