Marine

107 products, each exploded into a recursive bill of materials. Open one and keep clicking down to the bolts.

AIS Transponder An automatic vessel tracking system broadcasting ship position, course, speed, and identity every 10–30 seconds via dual VHF receivers and transmitter on dedicated AIS frequencies. 49 parts · 8 subsystems

Algae Turf Scrubber Biofilm-based nutrient removal system using high-intensity LED and water sheet feed to harvest algae and reduce nitrate/phosphate. 20 parts · 7 subsystems

Anchor Windlass A vertical electric windlass that hauls anchor chain over a shaped gypsy wheel driven through a worm-gear reduction, with a manual clutch and brake for free-fall and load holding. 79 parts · 8 subsystems

Anchor Windlass A deck-mounted hydraulic winch that hauls anchor chain via a powered gypsy drum, driven by reversible hydraulic motor with multi-disc brake and integral gearbox. 61 parts · 8 subsystems

Aquarium Acrylic Tunnel Curved acrylic viewing tunnel for walk-through aquariums providing 270–300 degree panoramic viewing through transparent acrylic panels. 111 parts · 8 subsystems

Aquarium Auto Feeder Programmable stepper-motor feeder dispensing precise food portions on a daily schedule via a rotating drum. 18 parts · 7 subsystems

Aquarium Chiller Refrigeration unit cooling aquarium water via titanium heat exchanger with feedback temperature control. 22 parts · 7 subsystems

Aquarium Ozonizer Generates ozone gas via corona discharge to oxidize dissolved organics and disinfect seawater. 19 parts · 7 subsystems

Aquarium Wave Maker Programmable propeller pump system mounted via magnets that simulates natural wave and tidal flow patterns. 22 parts · 7 subsystems

Auto Top-Off System Automated evaporation compensation system with float or optical sensor dosing freshwater to maintain tank level. 20 parts · 7 subsystems

Aviary Misting System High-pressure misting network delivering fine spray across zoo aviary enclosures via solenoid valve zones, nozzle arrays, and automated timer control. 83 parts · 8 subsystems

Bait Chopper Electrically or hydraulically powered cutting machine with rotating rotor and stationary blades; minces fresh or frozen bait at 100–300 kg/hour for use in longline baiting or processing. 54 parts · 8 subsystems

Bilge Pump System An automatic seawater removal system using a submersible electric pump, float switch, and through-hull fittings to keep the ship's lowest compartment dry. 50 parts · 8 subsystems

Boat Davit Crane A pivoting hydraulic crane mounted on a ship's rail that lowers and hoists lifeboats, rescue craft, or tenders via a luffing boom and wire falls. 94 parts · 8 subsystems

Boat Trailer A towed vehicle consisting of a structural frame, brake-equipped axles, support bunks or rollers and a winch stand, enabling transport of boats 5–10 m long on public roads. 161 parts · 8 subsystems

Bow Thruster A tunnel thruster mounted athwartships in the bow that pushes the vessel sideways for docking, driven by a DC electric motor through a bevel gear leg. 73 parts · 7 subsystems

Bow Thruster A tunnel-mounted transverse propeller and drive motor that produces lateral thrust independent of the main propeller, enabling low-speed maneuvering and precise docking. 47 parts · 8 subsystems

Breathing Air Dive Compressor Multi-stage reciprocating compressor with intake filtration and breathing-air purity certification for on-site cylinder filling. 64 parts · 8 subsystems

Cabin Cruiser A trailerable powerboat with an enclosed cabin, driven by a sterndrive marine diesel. 158 parts · 10 subsystems

Calcium Reactor Dissolves calcium carbonate media via CO₂ injection, delivering bioavailable calcium and alkalinity to reef tanks. 22 parts · 7 subsystems

Catch Sorting Conveyor Electric-driven stainless conveyor with grading rollers and wash spray; moves 5–20 tonnes/hour of fresh catch across raised mesh section for size grading and debris separation. 95 parts · 8 subsystems

Composite Kayak A touring sea kayak with fiberglass/kevlar hull and rudder. 62 parts · 11 subsystems

Container Crane A ship-to-shore (STS) gantry crane for loading and unloading containers at a port terminal. 692 parts · 8 subsystems

Container Ship A 400 m, 24,000 TEU cellular container ship of roughly 1.5 million parts: ~90 prefabricated hull blocks, a ~50,000-part two-stroke diesel main engine, cell-guided cargo holds, lift-away hatch covers and tiered lashing bridges. 1,489,391 parts · 8 subsystems

Coral Propagation System Integrated nursery system with fragmentation tanks, LED grow lights, dosing pumps, and flow control for coral fragment propagation and growth. 115 parts · 8 subsystems

Crab Pot Hauler Hydraulic capstan-style hauler with davit arm and line guide for hauling stacked crab pots from 300–600 m depth; rated 10–20 tonnes continuous lift. 44 parts · 8 subsystems

Crew Transfer Vessel A fast catamaran with twin waterjets, enclosed cabin for 12–25 crew members, and a powered bow fender system for rapid platform-to-platform transfers in offshore wind and oil operations. 91 parts · 8 subsystems

Cruise Ship A 220,000+ GT diesel-electric passenger ship of roughly 2.5 million parts: ~80 prefabricated steel blocks, ~2,700 factory-built cabin modules, a 60–97 MW medium-speed diesel power plant and three azimuthing podded propulsors. 2,505,837 parts · 8 subsystems

Cutter Suction Dredger A stationary dredger that loosens the seabed with a rotating cutter and pumps the slurry ashore. 321 parts · 9 subsystems

Deck Barge An unpowered steel box with internal hull frames, open cargo deck, mooring fittings and ballast compartments for towed transport of containerised or break-bulk cargo. 320 parts · 7 subsystems

Diver Propulsion Vehicle Underwater scooter with ducted propeller, rechargeable battery section, and trigger controls for extending diver bottom time and exploration range. 56 parts · 7 subsystems

Elephant Restraint Device Hydraulic squeeze cage or chute for safe containment and handling of adult elephants during veterinary procedures, transport, and training. 102 parts · 8 subsystems

EPIRB An Emergency Position Indicating Radio Beacon that broadcasts a vessel's position and MMSI to rescue satellites on 406 MHz when activated during maritime distress. 42 parts · 8 subsystems

Feed Barge Floating platform with feed hopper, pneumatic/mechanical doser, and sensor system for automated, site-optimized aquaculture feed delivery. 30 parts · 7 subsystems

Fish Counter High-throughput optical or resistivity-based counting system detecting individual fish passage through submerged pipe array at 100–1000 fish/min accuracy. 22 parts · 6 subsystems

Fish Farm Cage Submersible net pen with flotation collar, anchor mooring grid, bird netting canopy, and feed distribution interface for salmon and sea bass aquaculture. 137 parts · 8 subsystems

Fish Finder / Sonar A CHIRP echo sounder that transmits swept ultrasonic pulses from a hull transducer and renders fish arches and bottom structure on a helm display. 48 parts · 7 subsystems

Fish Grader Continuous sorting machine using adjustable bar or roller spacing to mechanically separate fish by size, feeding downstream processing lines. 26 parts · 7 subsystems

Fish Hold Refrigeration Marine refrigeration system with RSW (refrigerated seawater) chiller, evaporator coils, circulation pumps, and controls; maintains 0 to -3°C catch temperature during multi-week fishing operations. 39 parts · 8 subsystems

Fish Transfer Pump Low-shear vacuum or centrifugal pump system transferring live fish between tanks or barges with minimal injury and integrated dewatering. 26 parts · 7 subsystems

Fish Vaccination Machine Automated system anesthetizing, orienting, and injecting vaccine intramuscularly or intraperitoneally into live fish before sorting and recovery. 28 parts · 7 subsystems

Fishing Trawler A commercial fishing vessel that drags a net through the water and stores the catch in a chilled hold. 251 parts · 9 subsystems

Freefall Lifeboat An enclosed survival capsule launched from a skid frame via gravity drop, with internal seating, life support, and automatic ballast systems. 92 parts · 8 subsystems

Gillnet Hauler Powered drum and roller system with hydraulic drive for hauling gillnets; rotates slowly at 0.5–2 m/s to draw anchored net aboard while clearing fish. 55 parts · 8 subsystems

Headsail Furling System A mechanical system that rolls the headsail onto a rotating foil luff spar, allowing the crew to reef or furl sail without going aloft. 107 parts · 8 subsystems

Hovercraft An amphibious craft that rides on a cushion of air trapped under a flexible skirt. 138 parts · 9 subsystems

Inflatable Boat A rigid-inflatable boat (RIB) with a fiberglass hull and a multi-chamber inflatable collar. 62 parts · 8 subsystems

Inflatable Liferaft A vacuum-packed survival raft that inflates from a CO2 cylinder when its painter is pulled or a hydrostatic release frees it from a sinking vessel. 54 parts · 7 subsystems

Jellyfish Kreisel Display Laminar flow cylindrical tank with screened returns and gentle circulation supporting jellyfish display without wall impact injury. 65 parts · 8 subsystems

Jet Ski A stand/sit personal watercraft propelled by a jet pump. 103 parts · 8 subsystems

Kreisel Tank Circular flow tank with tangential intake and screened outflow generating gentle laminar circulation for rearing planktonic larvae. 19 parts · 6 subsystems

Lifeboat Davit System A ship-mounted articulated crane that deploys, lowers, and recovers lifeboats using hydraulic winches and mechanical interlocks. 99 parts · 8 subsystems

LNG Carrier A 299 m membrane-type liquefied-natural-gas carrier of roughly 1.2 million parts: ~90 erected hull blocks, four GTT Mark III cargo tanks each holding ~100,000 membrane and insulation components at −163 °C, a cryogenic cargo plant and twin dual-fuel two-stroke engines. 1,196,944 parts · 8 subsystems

Longline Hauler Hydraulic line hauler for hauling fish-bearing groundlines in longline fishing, integrating sheave block, hydraulic drive, and operator controls. 64 parts · 8 subsystems

Longline System Integrated pelagic fishing platform with mainline spool, powered hauling, baiting automation, and branchline deployment for deep-water species. 61 parts · 8 subsystems

Marine Autopilot An integrated course-keeping navigation system with digital compass input, autopilot processor, and proportional rudder actuator for hands-free steering. 71 parts · 8 subsystems

Marine Capstan A vertical-axis rope winch with rotating drum driven by electric or hydraulic motor through gear train, used for mooring and cargo handling on deck. 46 parts · 7 subsystems

Marine Deck Crane A ship-mounted knuckle-boom or telescopic cargo crane with slewing base, powered winches, and hydraulic boom positioning for general cargo, container, and offshore supply operations. 138 parts · 8 subsystems

Marine Deck Winch A powered deck winch that hauls mooring and tow lines through a geared drum and warping head. 73 parts · 8 subsystems

Marine Diesel Engine A medium-speed turbocharged 4-stroke engine burning residual fuel oil, rated for continuous operation in marine propulsion with fuel efficiency and torque density optimized for low-RPM constant-speed running. 161 parts · 8 subsystems

Marine Fender System A ship-mounted or dock-mounted energy-absorbing bumper system using rubber units, chains, and panel structures to protect vessels and dock infrastructure during contact. 46 parts · 6 subsystems

Marine Hydraulic Steering A manual steering system using a helms pump driven by the ship's steering wheel to actuate a rudder hydraulic cylinder. 92 parts · 10 subsystems

Marine Incinerator On-board waste combustion system for hazardous and general waste disposal, regulated for IMO MARPOL compliance. 66 parts · 8 subsystems

Marine Knuckle Boom Crane Articulated cargo crane for deck-mounted ship operations with hydraulic actuation, swiveling base, and integrated load sensing winch. 68 parts · 8 subsystems

Marine Radar An X-band solid-state pulse-compression radar with a rotating open-array antenna that detects vessels, land, and weather for navigation and collision avoidance. 54 parts · 7 subsystems

Marine Sewage Treatment Plant Aerobic biological treatment system for shipboard sanitary waste, producing treated effluent suitable for sea discharge under MARPOL Annex IV. 68 parts · 8 subsystems

Marine Steering Gear A hydraulic power steering system that converts pilot commands into rudder angle via rams or rotary vane motors, with integrated ram accumulator and fail-safe holding. 89 parts · 8 subsystems

Marine Toilet A marine sanitation device combining a bowl assembly with manual or electric pump, intake plumbing, discharge path, and joker valve for saltwater or holding-tank operation. 45 parts · 8 subsystems

Marine VHF Radio A maritime communication transceiver covering VHF frequencies with DSC distress capability, integrated microphone, and external antenna for ship-to-ship and shore contact. 46 parts · 8 subsystems

Marine Watermaker (RO Desalinator) A reverse-osmosis plant that forces filtered seawater through semipermeable membranes at about 55 bar to produce fresh water aboard. 116 parts · 8 subsystems

Mooring Winch A deck-mounted powered winch with split-drum configuration for simultaneous pay-out of multiple mooring lines, featuring independent render and recovery brakes. 87 parts · 8 subsystems

Mortality Collection System Automated vacuum and airlift system collecting dead or moribund fish from tank bottom, concentrating them in surface collection chamber for removal. 22 parts · 6 subsystems

Motor Yacht A planing-hull cabin motor yacht with twin diesel engines. 506 parts · 11 subsystems

Navigation Buoy A permanently-moored floating marker with solar-powered light and radar reflector, marking navigation channels, hazards and turning points for commercial and recreational vessels. 38 parts · 7 subsystems

Net Cleaning Rig Mobile or vessel-mounted system with rotating disc cleaners and high-pressure pump jets removing algae, sea lice, and biofilm from net-pen screens. 30 parts · 7 subsystems

Net Drum Large-diameter powered reel with hydraulic motor drive, level-wind guidance, and frame mounting; stores 500–2000 m of trawl net on deck. 56 parts · 8 subsystems

Oily Water Separator On-board treatment system for contaminated bilge water using coalescing filtration and oil-content monitoring, required by MARPOL Annex I. 61 parts · 8 subsystems

Outboard Boat Motor A 4-stroke outboard marine engine with powerhead, midsection, lower unit, and integrated tilt/trim. 164 parts · 8 subsystems

Oxygen Cone Conical contact chamber injecting pure oxygen bubbles into aquaculture water, achieving rapid dissolution and supersaturation for oxygenation. 15 parts · 5 subsystems

Passenger Ferry A multi-deck steel vessel with twin propulsion plants, vehicle and passenger accommodation, and quick-loading ramps for short-haul waterborne transport. 3,019 parts · 9 subsystems

Penguin Habitat Chiller Integrated refrigeration system chilling water pools and ambient air to -10 to +5°C with snow maker, air circulation, and thermal monitoring for penguin enclosures. 65 parts · 8 subsystems

Pilot Boat A fast, rugged deep-V craft that ferries harbour pilots to and from ships under way. 209 parts · 10 subsystems

Polar Icebreaker A ~23,000 t Polar Class 2 heavy icebreaker of roughly 800,000 parts: 70 densely framed ice-strengthened hull blocks, a four-engine diesel-electric powerplant feeding three azimuthing propulsors, a rapid heeling system and combined science and cargo decks. 795,176 parts · 8 subsystems

Pontoon Boat A flat-deck recreational boat floating on aluminium pontoon tubes and pushed by an outboard motor. 138 parts · 13 subsystems

Power Block Large V-shaped sheave block with elastomeric lining and hydraulic motor drive, mounted on swivel boom; hoists full catch (10–50 tonnes) from purse seine net aboard in 10–20 minutes. 60 parts · 8 subsystems

Power Catamaran A twin-hulled motor yacht with a wide bridgedeck spanning two slender hulls for speed and stability. 282 parts · 10 subsystems

Protein Skimmer Removes dissolved organic waste via needle-wheel impeller generating fine bubbles that bind proteins in a reaction chamber. 18 parts · 7 subsystems

Purse Seine Net Large pelagic encircling net with floatline, leadline, and pursing rings; hauled via power block to concentrate school and lift catch aboard. 563 parts · 8 subsystems

Quarantine Tank System Isolated treatment tanks with dedicated filtration, UV sterilization, dosing control, and automated monitoring for newly acquired or diseased aquarium animals. 35 parts · 8 subsystems

RAS System Closed-loop fish farming system with mechanical filtration, biofilter, aeration, and process controls enabling year-round aquaculture in land-based tanks. 29 parts · 8 subsystems

Reptile Enclosure Controller Integrated environmental controller managing heat lamp drivers, UV lamp cycling, humidity and temperature sensors, misting, and thermal feedback for reptile habitats. 57 parts · 8 subsystems

Rudder Stock Assembly A vertical shaft assembly coupling ship steering gear to the rudder blade, including stock tube, bearings, and pintles, transmitting steering torque from helm to rudder deflection. 40 parts · 8 subsystems

Sailboat A cruising sloop sailboat with auxiliary electric saildrive. 275 parts · 11 subsystems

Sailing Dinghy A small open sailboat driven by sails and steered with a tiller, raced or sailed for sport. 59 parts · 8 subsystems

Stern Drive A compact outboard propulsion unit mounted on a vessel transom, combining a vertical driveshaft, hypoid gearbox, tilting drive leg and propeller with steering and trim control. 70 parts · 8 subsystems

Stern Ramp System A ship-mounted hydraulic ramp panel with powered opening, load-bearing deck, and vehicle guidance, enabling RoRo (roll-on/roll-off) cargo operations. 106 parts · 8 subsystems

Submarine ROV A remotely operated underwater vehicle for inspection and light intervention. 436 parts · 8 subsystems

Sump Filtration System Multi-chambered sump with filter media, refugium biofiltration, and return pump providing centralized water processing. 21 parts · 7 subsystems

Touch Pool Life Support Integrated filtration, cooling, flow circulation, wave generation, and water quality monitoring for shallow interactive touch pools. 56 parts · 8 subsystems

Trawl Winch Heavy-duty fishing winch with dual drums for net and warp rope management, powered by hydraulic motor with load-holding brake. 126 parts · 8 subsystems

Trawl Winch Powered winch system with dual split drums, warp wire spools, gearbox, brake, and electric or hydraulic drive for deploying and hauling bottom and midwater trawls. 70 parts · 8 subsystems

Trolling Motor A 24 V bow-mount electric trolling motor with GPS anchor lock, wireless foot/remote steering, and a sealed underwater drive. 173 parts · 7 subsystems

Tugboat A small, powerful harbour vessel built to push and tow ships many times its size. 243 parts · 9 subsystems

Water Quality Sonde Multi-parameter sensor probe measuring dissolved oxygen, pH, temperature, salinity, and turbidity in real-time with onboard logging and telemetry. 29 parts · 9 subsystems

Windsurf Board A small flotation platform combining a foam or wooden core with a hard outer shell, mast track, fin box and daggerboard, ridden by standing sailors using a windpowered sail. 67 parts · 8 subsystems

Work-Class ROV Remotely operated vehicle with hydraulic manipulators, multi-thruster propulsion array, and integrated sensor suite for subsea construction and intervention work. 155 parts · 8 subsystems

Zoo Habitat Filtration Multi-stage water filtration system for large enclosures combining mechanical, biological, and chemical purification with UV sterilization and ozone treatment. 99 parts · 8 subsystems