Some questions:
What's the max output of the nuclear reactor? It would be handy to know to update the wiki.
The absolute maximum you run it like this for more than a handful of seconds and it's a bomb maximum? 2400 EU/t
Note your basically not going to see a configuration like that. Something more "realistic" would be missing a chamber, the top layer would be empty and it would have ice being pumped in. Still a bomb waiting to happen though.