Would the attached diagram work do you think, or do I need forced air like Buzzkill suggested above?
I know that gasoline blowtorches use a similar system, the question really is whether oil is too thick or not flammable enough, or if a rotary drum pump would provide enough pressure.
Will this concept work? I plan on using waste oil, rotary drum pump, 1/2" tubing, and a brass mister head, along with a conventional propane burner Venturi body.