To this point, there was nothing like the USS Monitor on the seas - the vessel alone contained some forty-seven patentable inventions. She was a small, flat, armored-hulled ship with a hat box-looking revolving gun turret. The turret was protected by eight layers of one-inch curved iron plate. The hull was constructed in two parts: the upper deck with .05-inch flat iron plate bolted to iron beams. This deck was fitted to the bottom hull like that of a raft. The freeboard, made to reduce waves washing over the deck, was only 18-inches high and proved ineffective to the point that sea duty could be a crew hazard. The deck armor provided minimal protection from overhead "plunging" fire but she was built as a response to the Confederate CSS Virginia - and not defensive, projectile-lobbing shore batteries. The hull sides fielded 5-inches of iron plate, bolted to 24-inches of oak timbers.
The USS Monitor showcased a shallow draft, allowing her to operate in less than 11 feet of water. Ericsson developed the Monitor's engine, calling it a "vibrating lever", and outputted enough power for the vessel to make 6-knots. The 120-ton, 20-foot diameter turret was the most ingenious invention on the Monitor and was built to rotate a full 360-degrees in 24-seconds using a separate small "donkey" engine. The turret was supported on a central column, or spindle, and rode a few inches above the main deck. Ericsson designed the turret to support two 15-inch Dahlgren smoothbore cannons but, in the end, had to settle for 11-inch caliber Dahlgren types due to availability.
The New York Times called the Monitor "Ericsson's Folly" but one hundred days later on January 30, 1862, thousands came to watch the launching (or sinking as some would have had it) of the iron ship at the Greenpoint Brooklyn NY yard. Ericsson's Monitor was launched into Manhattan's East River before her two rival designs were completed. The hull floated and she looked like a drifting shingle along the surface of the river. She was launched sans turret at this point for the turret was to be mounted sometime later. After the turret was put in place, and when her crew came aboard, her brown water maiden voyage officially began. She steamed to the New York side of the river and turned towards Brooklyn, then back and forth like a drunken man; her crew finding that she would not respond to her rudder control. Adjustments were made onboard and additional short trips from Greenpoint were made until Lieutenant John Worden, commander of the USS Monitor, was fully satisfied.
Fearing the CSS Virginia would attack the Northern blockade, it was decided her blue water shakedown cruise would have to be made on the way to Hampton Roads. Her brave volunteer crew of 49 officers and enlisted men would have to drill and steam along the way at sea. As John Ericsson did not claim his design to be built for ocean going, a plan developed to maneuver her into shallow coastal waters like those found at Hampton Roads. On Thursday March 6th at 11AM, she was towed by the screw tug USS Seth Low out of New York Harbor between Staten Island and Long Island, accompanied by the two wood screw gunboats - the USS Sachem and the USS Currituck - as armed escorts. By 4PM, the flotilla rounded Sandy Hook and entered unprotected waters, steaming south down the New Jersey coast line for the 400-mile journey to Hampton Roads, Virginia.
The Monitor and her escort continued through the night in relatively calm waters. The waves came over the deck due to the low 18-inch freeboard and limited the crew from going out on deck with any degree of safety. By 6AM on Friday March 7th gale wings from the east hammered the Monitor as she was approaching Cape May at the southern end of New Jersey. Lt. Worden wrote in the ship's log "very heavy sea, and ship making heavy weather". The ship started leaking at the base of the turret and water flowed into the engine room. As water spilled into her design like a waterfall, the ventilator system failed and the ship filled with dangerous carbon dioxide fumes, some of the men beginning to faint. Worden was concerned the ship might flounder so the tug USS Seth Low towed Monitor back towards shore and into calmer waters. When Monitor got inside of protected waters, Chief Engineer Isaac Newton was able to vent the engine room of the carbon fumes and restart the engines and pumps, in effect saving the grand ship.
Monitor resumed her southward trip at 8pm Friday night with the gale having passed. The seas were reported as moderate with clear skies and she steamed on at 5 knots. However, by midnight off the Maryland coast, the weather worsened yet again and the seas were breaking over the air vents and smoke stack. As the sea pounded Monitor, the tiller ropes came loose and the Monitor turned broadside into the sea. Worden feared a rogue wave would capsize the ship but the tiller was repaired in time and she was able to steer once again. By dawn on Saturday March 8th, the sea had calmed and Worden had the tug tow her into shallow water so the crew could eat breakfast. Engineer Newton took advantage of the time to pump the Monitor out again and make repairs the best the crew could - the Monitor and her crew would need every ounce of perfection and luck when going into harm's way and facing off against the most powerful ship in the Confederate Navy.
At noon on Saturday, Worden sighted Chesapeake Bay in the distance and, by 3PM, he could see shell fire exploding in the air - he ordered his crew to prepare the Monitor for action. The crew had ample solid shot and powder stock piled in the turret for the two 11-inch smoothbore cannons. A pilot boat came out to meet the Monitor and Worden received the worse news possible - that he was too late and the Ironclad CSS Virginia was already shelling the blockading Union Naval Squadron. At 9PM, Worden brought Monitor alongside the squadron's flagship, the USS Roanoke. Lt. Worden learned of the day's carnage by the Virginia - still called the Merrimack for the North - the USS Cumberland had been sunk and the USS Congress was burning. Worden, along with all present, saw Congress blow up around midnight. As if this was not enough, the USS Minnesota and the USS St. Lawrence had run aground in the fighting. Monitor released her tug and escort and was ordered to protect the grounded USS Minnesota that was sure to be attacked by the Virginia the following morning. Worden maneuvered Monitor alongside the Minnesota - Captain Van Brunt of the 4,833-ton frigate looked at the 987-ton Monitor like a pigmy next to a giant. Lt. Worden was welcomed aboard the Minnesota and met with Captain Van Brunt; the meeting was short, both men having had a hard day. Van Brunt came to the point, "If I cannot lighten my ship off of the bottom I will destroy her". Worden replied "I will stand by you to the last if I can help you". Bravely spoken words from a captain with the untested Monitor in his command. By 1862, Ironclads represented the most powerful warships in the world, officially ending the reign of the wooden tall ships that owned the oceans for hundreds of years, depending on the winds and range of firepower to be truly effective. Ironclads could propel and steer under their own power and afford their crew greater protection while also serving as highly-capable battering rams in the way of the old Ancient ships.
On Sunday morning, dawn broke over Hampton Roads and the CSS Virginia was at protected anchor below the battery of guns at Sewell Point. With Captain Buchanan injured, acting Captain Lt. Jones looked towards what he thought would be his first victim of the day, the frigate USS Minnesota. In the early light, looking through his spyglass, Jones saw a small cheese box-shaped object positioned on a flat shingle-type raft floating beside the frigate and immediately recognized it as the pride of the North - the USS Monitor. Lt. Jones told Lt. Davidson his intention to ram the Monitor and keep at her until the contest was assured. Lt Worden, with little sleep, was up early and had Monitor's crew sit down for their breakfast. From his vantage point, he could see the CSS Virginia and her flotilla at Sewell Point. At 6AM, the Virginia slipped her mooring but Jones kept her close due to heavy fog and needing the tide to still come in. Around 8AM, Virginia began to make steam, smoking towards the crippled Minnesota.
Two miles away on the Minnesota, Worden stood on deck observing the Virginia. At 8:30AM, just a mile away from the Minnesota, she opened fire, sending a shot over Worden's head and into the side of the Frigate. Minnesota was still aground with Lt. Worden on board Monitor - his intent was to confront Virginia as far away from the Minnesota as possible. As Minnesota opened fire with her aft guns, Worden moved Monitor towards the threat. Worden had one immediate problem, however, for the speaking tube between the pilot house and the turret had broken down. The only way around it was to use "runners", messengers sent from point to point to deliver messages, so between Paymaster Keeler and Clerk Toffey, orders were relayed in this fashion.
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