
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
- Diesel generators – two:
- 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
- Speed surfaced:
- 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
- Crew
- 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
- Anchor:
- 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