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The Turtle
The turtle was a pedel control ship that had a valve to let water in for it to sink and another to let water out. It was able to go forward and up and down. -
Nautilus
the Nautilus was essentially an elongated Turtle with a larger with a propellor and mast and a sail for use on the surface. the Nautilus achieved a maximum sustained underwater speed of four knots. -
waterbug
the waterbug submarine was a 10feet 6inches long and over 2 feet in width. it can hold a crew of 3. to move it had 3 pares of duck paddles. It was demonstrated for over 7 years. -
Brandtaucher
looked like a sperm whale and made from rievted iron. powered by tow men on a treadmill. it sunk -
Diable Marin
Russa made is sub. it made 134 dives. It cared 16 men and was 52 feet long. -
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Alligator
VILLEROI obtained a contract from the U. S. Navy for a larger submarine: the 46-foot-long "Alligator." Propulsion: originally sixteen oarsmen with hinged, self-feathering oars; improved, a three-foot diameter hand-cranked propeller. Weapon: an explosive charge to be set against an enemy hull by a diver. -
Southern Torpedo Boat
Confederate Army officer Captain FRANCIS D. LEE created the low-freeboard steamboat known as a "David" (as in, David versus Goliath). -
Hunley's consortium
Hunley's consortium built a third, larger, submarine -- about 40 feet long. Crew: possibly nine, eight to crank the propeller and at least one to steer and operate the sea cocks and hand-pumps to control water level in the ballast tanks. -
Battery sub
French designer CLAUDE GOUBET built a battery-operated submarine, too awkward and unstable to be successful. He followed up in 1889 with "Goubet II" – also small, electric, and not effective. -
Boiler sub
American JOSIAH H. L. TUCK demonstrated "Peacemaker" – powered by a chemical (fireless) boiler; 1500 pounds of caustic soda provided five hours endurance -
Sub compitishion
The U. S. Navy announced an open competition for a submarine torpedo boat, with a $2 million incentive. The specifications were based on presumed Nordenfeldt-level capabilities and presumed a steam-powerplant of 1000 horsepower. -
Plunger
Holland took a leaf from the Nordenfeldt playbook – in this case, good public relations to overcome political intransigence – and let it be known that he was entertaining offers from foreign navies. On March 3, the John P. Holland Torpedo Boat Company was awarded $200,000 to build an 85-foot, 15 knot, steam-powered submarine.
