SEA RANGER 



LENGTH: 17ft 



BEAM: 8 ft 



HEIGHT: 7.75 ft 



DRAFT: NA 



WEIGHT(DRY): 8 tons 



OPERATING DEPTH: 600ft 



COLLAPSE DEPTH: NA 



LAUNCH DATE: 1972 



HATCH DIAMETER: 20 in. 



LIFESUPPORT(MAX): 120 man-hr 



TOTAL POWER: 43.5 kWh 



SPEED (KNOTS): CRUISE NA 



MAX 4 



CREW: PILOTS 1 



OBSERVERS 3 



PAYLOAD 1.25 tons 



PRESSURE HULL: Cylindrical shape with hemispherical endcaps; composed of 0.5-in.. thick A-285-C steel, 16 ft long and 4-ft diam. Conning tower 



is 2.25 ft high, 21-in. diam. 



BALLAST/BUOYANCY NA. 



PROPULSION/CONTROL: Two stern-mounted (port-starboard) main propellers of 5.5 hp each. One stern-mounted 5.5-hp thruster provides 



movement in the vertical. A 10-hp electric motor in the pressure hull and hydraulic pump operate propellers and thruster, 



TRIM NA. 



POWER SOURCE: Lead-acid batteries mounted externally in a pressure-resistant tank supply 240 V at 180 amp-hr, A cable can be fitted to the 



vehicle to supply surface-derived power if desired. 



LIFE SUPPORT: NA. 



VIEWING: Conning tower fitted with seven-7-in.-diam. plastic viewports, six circle the tower and one is in the hatch looking upward. Two 



1 2-in.-diam. viewports are located in the forward hemihead (port/starboard) for forward and downward viewing. 



OPERATING/SCIENTIFIC EQUIPMENT: Electronic compass, depth gage. 



MANIPULATORS: Two manipulators. One is 6 ft lung, has six degrees of freedom and can lift 200 lb at full extension. The second is a telescoping 



type with a clamping device to stabilize the submersible when necessary. The telescoping device is pivoted at the center of the vehicle and can drop 



vertically to provide 2,600 lb of lift. 



SAFETY FEATURES: High pressure air can be blown into submersible to prevent flooding; 400-lb ballast is jettisonable; the entire undercarriage 



holding the propellers, manipulators, batteries and variable ballast tanks may be detached. 



SURFACE SUPPORT: SOO. 



OWNER: Verne Engineering, Mt. Clemens, Michigan. 



BUILDER Same as above. 



REMARKS Operating. 



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