Design Structure 





Characteristic 



Mechanical 







Size 





22 in high, 22 in wide, 9 ft long, easily 

 adapted to a fairing 



Weight 





450 lb 



Buoyancy/foot extension 



25-1 b/ft extension in length 



Total buoyancy 



of foam 



180 lb positive 



Frame construction 



T-shaped, sealed, welded, neutrally 

 buoyant (can withstand depths to 2200 ft) 



Electronic canisters 



7-in-outside-diameter pressure housings 

 designed for 2200-ft operations 







2 30-in-long bottles (mounted aft) 



2 30-in-long bottles (mounted forward) 



Electrical 







Energy storage 





Gates lead-acid batteries (series of 

 2-V, 25-A-hr batteries) 



Control system 





8080 microprocessor system 



Control sensors 





Magnetic-pipe follower, depth, heading, 

 leak detectors 



Present data sensors 



Television, still photo, super 8 movie 

 camera 



Potential data 



sensors 



Space has been allocated for Klein 

 side-looking sonar 



Software 







Language 





8080 Assembly Language, PL/M, and 

 FORTRAN 



Structure 





Flexible, modular; construction linked 

 together to provide supervisory control 

 of submersible 



Table 2. NOSC/USGS Free-Swimming Submersible: Mechanical, 

 Electrical, and Software Characteristics Summary. 



19 



