Found Dreaming

that is reasonable, I was concerned I might loose heat out the drain hole, but I shove a wade of kaowool in it anyhow. I kind of wish I had experimented a little more, so I knew exactly what brought down the burn time, was it the burner, the additional room around the crucible, or the extremely insu...

well there is good news, and bad news. I poured brass from a cold start in 1 hour, unfortunately, my hotface failed :oops: I was afraid it would happen I chose a Bargain Refractory not rated high enough. but on the bright side it will let me give it another go with some slight design improvements, m...

http://www.hnsa.org/doc/foundry/index.htm

here is a digital copy for a quick referance

if you have any ITC100 or the formula for metal , 236??? I would try that
but any refractory material should work

Sorry, no experience with propane burners but maybe you need to adjust the air? It looks like you can see blue in the center of the flame, is the orange from the flame or heat from the walls? That is flame, the furnace is not hot yet. I ran it for nearly an hour, scrapping out some Aluminum, but I ...

http://i1104.photobucket.com/albums/h323/HT1/safety/IMG_1252.jpg I fired my new 10 inch furnace for the first time today. I was expecting to see a blue flame, but had only this orange, is this alright, or do I need to do some more work, the cast tuyere did not come out perfect. I really need this f...

found this one Wikipedia. Cymbals are made from four main alloys, all of them copper-based. These are: bell bronze, malleable bronze, brass and nickel silver. http://en.wikipedia.org/wiki/Cymbal_alloys don't know if it will help but tells what cymbals are made from. DA i might have overemphasized t...

Here is the problem, A 14 inch OD ring 7 inches tall with a 1/2 wall will weigh 46 Lb roughly, depending on the exact composition. trim that wall down to 1/4 in you get to 22lbs tht is probably the thinnest you could cast this in a conventional manner.for a pattern you will have to find someone with...

The last update to the navy foundry manual, renamed the" Molder rate training manual" was printed in the 90's, you know what the changes were, there was a section on cyntrifical casting. it got in the book, just as the navy discontinued it. all referance to gas furnaces were removed. navy ...

That is definately gas, but it is not very bad, a degasser tablet plunged to the bottom should clear that right up