> The slowest plant type is nuclear. As you'd hope ! :-). The emergency brake will be faster than the normal speed control. When Fermi first did it the emergency brake was a man with an axe poised over a rope. Must have been simultaneously a highly boring and immensely exciting job. R -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist