INTREPID.
Armored torpedo vessel. Ram bow, round stern, twin screws, partial sail-power. The armored belt, made up of five inches of laminated plating, encircles the water-line to the height of the upper-deck beams. The lower part of the smoke-stack is protected by a belt of nine inches of laminated plating. The deck is made up of two ¾-inch thicknesses of plate covered by a wooden deck. The pilot-house forward is musket-proof. The hull is of iron, with a wood backing to the armor of eleven inches. Aft is a light wooden superstructure, forming quarters for officers. The vessel carries no guns and is provided with torpedo-spars (one forward and four broadside).
INTREPID.
ALARM.
Partially armored torpedo gun-boat. Ram bow, pointed stern. Mallory steering-screw; no sail-power. The bow of the vessel is provided with an armored traverse of four inches thickness, the remainder of the hull being unprotected. One 15-inch smooth-bore is carried forward, firing only straight ahead. It is the intention to replace this by a 10-inch rifle. The hull is of iron and double, with cellular compartments and water-tight compartments in addition. Three torpedo-spars are projected. One from the snout of the ram a distance of 30 feet, and one from each beam 17 feet. Musket-proof pilot-house aft. Steel ⅜-inch deck-plate under a wooden deck.
ALARM.