Okay. Back on topic. Before this has any type of a chance in heading in the wrong direction.
Why? Because we always seem to do that as a general course of business. We never quit while we're ahead.
My shop has a dual burner electric hot plate. I'll place a piece of sheet metal over the electric burner to spread the heat more evenly. When it comes to flywheel gear rings, sometimes you have no choice but to use a torch.
