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