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With the engines figuratively speaking in hand, Simpson had created a highly modified version of Eddie's original concept-one which used powerful diesel-driven pumps scavenged from the Grantville coal mine to provide hydro-jet propulsion. The pumps were powerful enough to chew up most small debris without damage, and screens across the intakes protected them from anything larger. Using the diesels would increase the gunboats' logistic dependency on the Grantville industrial base, since it wouldn't be possible to fuel them with coal or wood in an emergency, as would have been possible with a steam-powered engineering plant. On the other hand, the diesel bunkers could be safely located below the water line, and at least if a freak hit managed somehow to penetrate to one of the ironclads' interiors, there would be no handy boiler full of live steam to boil a crew alive.

The other two things he'd done to Eddie's original design were to cut the armor thickness in half and add the trim tanks. Reducing the armor had let him squeeze an additional ship out of the rails allocated to the project, as well as saving displacement, but the tanks were at least as important. The original Monitor had been designed with minimum freeboard to reduce target area, but that wasn't going to be possible with this design. Since there was no practical way to design a proper turret at this point, they had no choice but to use a more or less traditional broadside scheme for their armament, which meant something that would look a lot more like the Merrimack… or, as Eddie was prone to correct in tones of exasperation, the Virginia. That explained the slabsided, ungainly appearance of the basic design. It also required a deeper draft than the "cheese box on a raft" Monitor's design. Simpson had managed to minimize that to some extent by designing the ships to "flood down" for combat by filling the trim tanks built into them. That had allowed him to design a roughly five-hundred-ton vessel which drew less than four feet of water with the tanks pumped out and almost ten feet with the tanks filled. Which also, just incidentally, let him save about five feet worth of armored freeboard which would be protected by water when they flooded down.

At first, Eddie had been inclined to sulk when Simpson modified his basic design. To his credit, he'd recognized that the alterations were genuine improvements, and that was the reason Simpson (although he doubted that the young man was aware of it) had specifically requested that he be assigned to the Navy. Stearns had already sent him to Magdeburg to help oversee the project, after all, which meant Simpson couldn't have gotten rid of him, anyway. And the Navy was going to need officers who could actually think. Those were rarer than one might have thought, and from his own experience, Simpson recognized the mental flexibility involved in acknowledging that someone else had actually made one of your own brainchildren better. So he'd decided to make a virtue out of necessity… which was how both Eddie and his friend Larry Wild had abruptly become junior-grade lieutenants in John Simpson's Navy.

And if it had also let Simpson get the last laugh on Mike Stearns, so much the better.

"Fortunately," he went on after a moment, "convincing the freiherr to go along with our plans isn't really our concern. If Mr. Schaubach feels that he's unlikely to be able to get von Bleckede to see reason, refer him to Mr. Piazza." He smiled again, more blandly than ever, as Eddie frowned. Ed Piazza, the secretary of state, had been Stearns' choice to serve as his personal representative to all the various minor local potentates not worthy of the personal attention of the head of state.

"That will take time," Eddie began, "and-"

"That may be true," Simpson interrupted. "But it's the secretary of state's job to deal with things like this. Or let Gustav's chancellor Oxenstierna deal with it. We've got more to worry about than convincing one minor nobleman to see things our way. Besides, whether we like it or not, we've got time before we'll actually need to get that far down-river, now don't we?"

Eddie looked rebellious, but Simpson was accustomed to that. What mattered more to him was the fact that the youngster actually thought his way through it, then subsided with nothing more than one last grimace.

"Now," Simpson went on, "was there anything else you needed, Lieutenant?"

"No, I guess not… sir."

"Good." Simpson turned to Davis. "And what can I do for you, Mr. Davis?" he asked.

"Actually," Davis replied, "I just wanted to let you know that Ollie says he should have the first half dozen gun tubes ready to ship to us by the end of the week."

"Good!"