C-33 



SCARAB I & II 

 (Submersible Craft Assisting Repair and Burial) 



Operating Depth : 6,000 ft ( 1,829m) 



Dimensions (LxWxH) : 132 in. x 72 in. x 60 in. (335cm x l83cm x 152cm) 



Weight (dry) : 57obO lbs (2,268kg) 



Speed : (Max. Surface) 3 kts (5-6kin/hr) 



(Max. Operating Current) 0.5 kt (0.9km/hr) at 6,000 ft 

 Structure : Open tubular framework cage enclosing and supporting 

 vehicle components. 



Buoyancy : Cylindrical flotation tanks provide 50 lbs (23kg) of 

 positive buoyancy when submerged. 



Power Requirements : i+80 VAC 3-phase 150 KW. Portable diesel 

 ( 2 ea fully redundant ) electric generator supplies all power require- 

 ments. A 10,000 ft (3,Oit8m) long umbilical cable l.k in. (3.2cm) 

 diameter powers and controls the vehicle. 



Propulsion : Six, 5 hp each, electrical motors and one, 5 hp, 

 hydraulic motor provide propulsive power. 



Instrumentation : Two low light level TV cameras (one with zoom) 

 on pan and tilt units, one 35mm still camera, lights, bottom contour 

 following sensors, altimeters, depth sensors, magnetometer (for 

 cable location). Two hydraulically-powered manipulators, 5 degrees- 

 of-freedom, equipped with various devices for cable cutting and 

 gripping. Dredge or jet pump to uncover and bury cables. 

 Navigation : 360 degree scanning CTFM sonar capable of interrogating 

 bottom-mounted transponders or locating pingers for relative bottom 

 positioning. Computer driven graphics display tracking unit on 

 support craft for obtaining vehicle's relative range and bearing. 

 Shipboard Components : Power distribution unit, control/display 

 console, navigation plotter, operator's chairs (three each), 

 spare parts, diesel generators, cable, cable floats, vehicle 

 locator -unit and motion compensated launcher with cable storage reel. 

 Support Ship Requirements : Deck space for shipboard components and 

 vehicle. 



Operation/Maintenance Crew : Operator, assistant operator and 

 observer. 



Total Shipping Weight : 9^,000 lbs (U2, 638kg). 



Total Shipping Volume : Nine standard air freight containers hold 

 all components. Volume of each container (LD-3) is 158 cu ft (H.5 cu m) 



Status : SCARAB I - Presently on extended sea trials for acceptance. 

 SCARAB II - Awaiting completion of sea trials of I and then 

 will begin its sea trials. Expect to complete trials in 1979. 

 Builder : AMETEK/Straza 



El Cajon, California 



