SeaHawk SubsCT CAD drawing

SeaHawk CAD drawing.

Specifications

  • Displacement:
    • Surfaced 42 tons
    • Submerged 48 tons
    • Displacement simplified, 46.912 long tons at 93,824 pounds
    • Reserve buoyancy of 12 percent
  • Dimensions:
    • Length 65 feet
    • Beam 6 feet, 10.5 inches
    • Draft
      • 6 feet loaded
      • 5 feet empty
    • Air height 15 feet
    • Freeboard 2 feet, 6 inches
    • Deck free flood space 4 inches high at center
    • Floating antenna
    • Keel 12 x 0.75 x 12 x 1 x 474 inches Tee
  • Machinery: Power train is diesel-electric direct
    • Diesel generators – two:
      • Two John Deere common rail 4-cylinder 225 kilowatts each
      • Tier 3 compliant
      • Generators 2 UQM, 250 kilowatts each
      • Increaser gear 1:1.57
    • Electric motors – two:
      • Two UQM PP250 permanent magnet motors rated at 250 kilowatts each
      • 250 kilowatts equals 340 horsepower at 600 volts DC. Battery rated 604.8 volts DC.
      • Connected to shaft through 6:1 reduction gear
    • Batteries:
      • 24 volt modules of the latest available technology
    • Props two Nibral 5 blade ships propellers, 1 right & 1 left hand, 30.0 inches diameter x 30.0 inches pitch @ 159 pounds each with 6:1 reduction
    • Shafts two 2.5 inch Aqua-met 22 shafts tapered with jetway 126 inches long
    • Shaft seal ceramic
  • Performance:
    • Speed surfaced:
      • Maximum 15 knots
      • Cruise 10 knots
    • Speed submerged:
      • Maximum 8 knots, 1 hour
      • Cruise 5 knots, 10 hours
      • Slow 2 knots, 48 hours
    • Operating depth 300 feet; maximum depth 500 feet
    • Range 1,500 nautical miles at 10 knots
  • Hull:
    • Carbon steel A299 at 73,000 pounds
    • Thickness:
      • Shell 0.5625 inches
      • Hemispheres 0.322 inches
    • Frames none
    • Bulkheads:
      • Cylinder ends, two flat 1-inch thick blank plates (Closure)
      • Passage plates, three flat 1-inch thick plates (Holding)
      • Vertical oval opening measuring 36 inches high x 18 inches wide, on center line
    • Hull volume 1,466 cubic feet
    • Breathable air for crew of four is 15.7 hours without renewal
    • Sail: 7 feet high x 3 feet wide x 13 feet long, quarter-inch plate
  • Compartments:
    • Crew
      • Four pan locker bunks, four storage lockers, head with shower and sink; main deck hatch
    • Midship
      • Galley with sink and hot water heater, bench seats with lockers, LED TV monitor, enclosed water heater, bridge access hatch and ladder
    • Pilot
      • Main control console, pilot command chair, refrigerator, freezer
    • Machinery
      • Electric motors, diesel generators, air conditioning
  • Systems:
    • Oxygen storage, high pressure air storage, low pressure air, salvage air, carbon dioxide scrubber
    • Heating
    • Air conditioning and chilled water
    • Desalination, domestic water, waste water
    • Main hydraulics
    • Trim water transfer
    • Electrical distributions
    • Main power generations
    • Main propulsion
    • Mooring and docking
    • Navigation
    • Lighting, interior white and red LED
  • Deck
    •  Anchor:
      • Anchor windlass (stainless steel 316) Lighthouse Model #1501 (Hydraulics)
      • Anchor 36-pound Danforth Deep-set II
      • Anchor Link Chain 400-foot G40 ISO rating weighing 616 pounds
        • Requires 7.9 cubic foot chain locker 5,300 WWL
    • One messenger buoy with retractable lifeline
    • Four mooring lines: 150-foot, 1-inch Plata 8 braid with 48-inch eye splice
    • Eight cleats: 15-inch stainless steel retractable
      • Two cleats each, starboard and port, located at: bow, forward of sail, aft of sail and stern
    • 3/8 inch stainless steel stranded wire from bow to sail forward and from sail aft to stern
    • Jack Staff forward and Flag Staff aft, both off center to port one inch
    • Two in-deck, 9-cubic foot storage containers aft for outboard propane motor and inflatable four-man boat
    • Navigation lights for power-driven vessel of 12 meters, but less than 20 meters, in length
      • Special flashing amber, 360-degree, light – 1 flash per second for three seconds, then three seconds off
      • All navigation LEDs are 10 to 20 volts DC
    • Ship’s bell is 8-inch brass engraved, “SMV SeaHawk”
    • Ship’s airhorn, single air trumpet, 100 pounds per square inch, operated from bridge
  • Superstructure:
    • Topside deck is aluminum decking in sections of 96 inches long x 72 inches wide x 3/16ths inches thick, rubberized
  • Masts:
    • Optical – steel cylinder 4 inch outside diameter, 7 feet long, 1/2 inch thick, with a clear plastic dome cap, containing four closed circuit cameras with over-lapping fields of view, 1 GPS, AIS and TBS (VHF) antennas
    • Radar – 42 inch open array
    • Masthead light
    • Special flashing submarine light
    • Communications antenna
  • Hatch Access:
    • Crew compartment access – 24 inch inside diameter at 90 inches center from shell forward edge
    • Sail and bridge access – 24 inch inside diameter at 225 inches center from shell forward edge
  • Camera Monitors:
    • One 24-inch LED monitor with split screen located over forward compartment entry door. Inputs include four closed circuit cameras: bow, stern, forward sail and aft sail
    • Optical mast input with four closed circuit cameras placed  with overlapping fields of view at 0, 90, 180, 270 relative degrees.
  • Pilot Console:
    • Located forward port side of the Pilot Compartment, 17 inches wide x 24 inches high x 12 inches deep
    • Digital knot meter
    • Digital depth indicator
    • Rudder angle indicator
    • Bow and stern planes indicators
    • Clinometers (bubble) up-down and port-starboard
    • Ballast tank vent and flood indicators
    • All NMEA 2000 compliant
    • Air bank pressure gauges one through four, 0 – 4,500 pounds per square inch
    • Oxygen bank pressure gauges one through four, 0 – 3,000 pounds per square inch
    • Gyro compass
    • Magnetic compass repeater