Oil furnace for cast iron. I need help

[rythmnbls]

Here's another burner design in case you need something else to try. It was described on the backyard metalcasting forums as capable of producing "armageddon"

http://books.google.com/books?id=eS...orch&pg=PA84#v=onepage&q=diesel torch&f=false

Here is the original thread.

http://www.alloyavenue.com/vb/showthread.php?3158-diesel-torch-now-pics&highlight=diesel+torch

Regards,

Steve.

 

[aonemarine]

Hey Nick, little off subject but a friend of mine is having trouble useing a thread mill to cut externial threas on a titanium dowel. you see to know your way around cnc milling, would you know the best feed and speed to cut these threads?
[ame]http://www.youtube.com/watch?v=wUiHBiS_viw[/ame]
this is what he is working on. I wonder if his first operation work hardened the surface? or just cutting too light?