. The Composition of sea-water : comparative and descriptive oceanography. Seawater -- Composition. 512 [chap. 23 as ft. RUM has a payload carrying capability of 1000 lb in water without exceeding a ground pressure of lb/in2 over the track area; the total weight is 12 tons in air and 4 tons in water. All components of the vehicle are filled with oil, except for the electronic equipment (lights, television cameras, etc.) which is housed in pressure chambers, thus eliminating the need for a pressure resistant hull as used in manned operations. All maneuvers are controlled by the remote
. The Composition of sea-water : comparative and descriptive oceanography. Seawater -- Composition. 512 [chap. 23 as ft. RUM has a payload carrying capability of 1000 lb in water without exceeding a ground pressure of lb/in2 over the track area; the total weight is 12 tons in air and 4 tons in water. All components of the vehicle are filled with oil, except for the electronic equipment (lights, television cameras, etc.) which is housed in pressure chambers, thus eliminating the need for a pressure resistant hull as used in manned operations. All maneuvers are controlled by the remote observer in the mobile van through the controls at his disposal. He can even apply brakes; and, if RUM runs into solid obstructions, the brakes set automatically. His eyes are the RUM's four television cameras housed in cylindrical steel tubes only 3 in. in diameter and 14 in. long. The sensing element is a Vidicon tube, and mercury- vapor lamps provide the light. Two cameras view the sea bed so the operator can see the terrain to steer the robot; the other two cameras monitor the. IHiillWl Fig. 9. A view of RUM (Remote Underwater Manipulator) on the beach at La Jolla, California. This robot crawler is designed for working at great oceanic depths. (Official Navy photo.) mechanical arm. The closed-circuit TV system can transmit either a two- dimensional or a three-dimensional image of either high or low resolution. RUM and the "diving saucer" are the only deep oceanographic vehicles which have an external prehensile capability. RUM's arm is similar to those used in atomic laboratories for handling the transuranium elements; it is capable of picking up anything from a starfish to a large rock. The zinc-coated stainless steel arm is, like the main body, a sealed, oil-filled unit with a special reservoir for compensating the difference in compressibility between oil and water. All the actions of the human arm are duplicated, if not improved upon. Please note that the
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