Does anyone have details of the design of the specific Japanese nuclear reactors?

[e.coli]

Except that they are boiling water vs pressurized water. I am interested to know if there were design flaws.

[M. Bachmeier]

Except that they are boiling water vs pressurized water. I am interested to know if there were design flaws.
Check the other thread in this section like:

http://www.physicsforums.com/showthread.php?t=480200

[Joe Neubarth]

Except that they are boiling water vs pressurized water. I am interested to know if there were design flaws.

Depending upon your degree of sophistication, you can look up Mark 1 Nuclear Reactor on Wiki and read it.