TU56/TC11 restoration - Power supply question

Well, I've never had a cap in a power supply go bang. But I did once put together a circuit and carelessly use a cap rated for about half the expected voltage - I was checking only the capacitance, my bad. It was working fine, only I started hearing this funny hissing noise. Just as I was deciding I should find out what was hissing, it blew. It was a small cap - somewhere in the 200?F/6V range - and didn't damage anything else, though it did spread a film of something unpleasantly oily over everything within a foot or so. There was also a rather impressive cloud of what looked like grey smoke but which I suspect was actually the oily substance. Based on what happened to that tiny one, I definitely would not want to be around one of the big ones going bang. That cap had only a couple of millicoulombs in it, and it still made an impressive enough bang that I was glad I was multiple feet away; one holding more like a coulomb or two I would much rather be in the other room for. Gives a whole new meaning to the phrase "cap pistol". :) /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse at rodents.montreal.qc.ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B