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https://chartandkeel.com/images/safety/fire-heat-detectors.webp Heat detector sketches: bimetal, fusible link, rate-of-rise types https://chartandkeel.com/topics/co2-fixed-fire-fighting-system-ships/ 2026-10-10 https://chartandkeel.com/images/safety/fire-co2-cylinder-spec.webp 45 kg CO2 cylinder spec with siphon tube, valve and pressures https://chartandkeel.com/topics/sprinkler-hypermist-water-mist-system-ship/ 2026-10-10 https://chartandkeel.com/images/safety/fire-sprinkler-bulb.webp Quartzoid bulb head with bulb, diaphragm and deflector https://chartandkeel.com/topics/ship-fire-main-emergency-fire-pump-system/ 2026-10-10 https://chartandkeel.com/images/safety/fire-main-diagram.webp Hand-drawn fire main with pumps, isolating valves and hydrants https://chartandkeel.com/topics/deck-foam-inert-gas-system-tankers/ 2026-10-10 https://chartandkeel.com/images/safety/fire-flammability.webp Hand-drawn flammability diagram — purging vs dilution paths to the safe zone https://chartandkeel.com/topics/fire-control-plan-muster-list-ship/ 2026-10-11 https://chartandkeel.com/images/safety/fire-plan-box.webp Red weatherproof fire plan container at the gangway https://chartandkeel.com/topics/shaft-seals-packing-mechanical-labyrinth/ 2026-10-10 https://chartandkeel.com/images/mep/oil-control-ring-piston-cylinder.webp Oil control ring seated between piston and cylinder, blocking oil flow to the crankcase https://chartandkeel.com/topics/shell-tube-he-cleaning-retubing/ 2026-10-10 https://chartandkeel.com/images/mep/shell-tube-he-section-flow.webp Shell and tube heat exchanger cross-section showing shell, tube nest, baffles, fixed and floating tube plates, water boxes and flow paths https://chartandkeel.com/topics/plate-he-cleaning-gaskets/ 2026-10-10 https://chartandkeel.com/images/mep/plate-corrugation-gasket-geometry.webp Plate heat exchanger corrugated plate geometry showing ports, chevron troughs and peripheral nitrile gasket https://chartandkeel.com/topics/air-compressor-principle/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/Compressors_Reciprocating_Operation_Main/p018_fig0.webp Compression reduces gas volume and raises pressure https://chartandkeel.com/topics/air-compressor-types-classification/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/Compressors_Reciprocating_Operation_Main/p021_fig0.webp Principal compressor types https://chartandkeel.com/topics/air-compressor-construction/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/Compressors_Reciprocating_Operation_Main/p063_fig0.webp Typical double-acting compressor cylinder https://chartandkeel.com/topics/air-compressor-working/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/Compressors_Reciprocating_Operation_Main/p042_fig0.webp Volume reduction inside a compressor cylinder https://chartandkeel.com/topics/air-compressor-operations/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/Compressors_Reciprocating_Operation_Main/p207_fig0.webp Capacity unloading to limit compressor power https://chartandkeel.com/topics/air-compressor-maintenance/ 2026-10-10 https://chartandkeel.com/topics/air-compressor-safety/ 2026-10-10 https://chartandkeel.com/topics/air-compressor-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/mep/air-compressor/compressor-valves-concentric-plate.jpg Compressor concentric plate valve assembly showing seat, damper plate, valve plate, springs and guard https://chartandkeel.com/topics/sg-rules-and-requirements/ 2026-10-10 https://chartandkeel.com/images/steering-gear/ram_type_steering_gear.webp Ram type steering gear, with the cylinders, rams, tiller and rudder stock identified https://chartandkeel.com/topics/sg-rudder-stock-and-carrier-bearing/ 2026-10-10 https://chartandkeel.com/images/steering-gear/rudder_stock_assembly.webp The rudder, rudder stock, carrier bearing, pintle bearing and jumping stopper, shown in elevation https://chartandkeel.com/topics/sg-tiller-and-rapson-slide/ 2026-10-10 https://chartandkeel.com/images/steering-gear/rapson_slide_crosshead.webp The ram crosshead arrangement, showing the crosshead sliding on the guide and the swivel block on the tiller https://chartandkeel.com/topics/sg-ram-type/ 2026-10-10 https://chartandkeel.com/images/steering-gear/two_ram_steering_gear.webp A two-ram electro-hydraulic steering gear, showing the two cylinders, the rams, the tiller and the power units https://chartandkeel.com/topics/sg-variable-delivery-pumps/ 2026-10-10 https://chartandkeel.com/images/steering-gear/hele_shaw_pump.webp Section through a Hele-Shaw pump, showing the case, the covers, the central valve tube, the cylinder body and the floating ring https://chartandkeel.com/topics/sg-rotary-vane-gear/ 2026-10-10 https://chartandkeel.com/images/steering-gear/rotary_vane_principle.webp The principle of the rotary vane gear, showing the rotor, the stator, the fixed and rotating vanes and the pressure chambers https://chartandkeel.com/topics/sg-control-systems/ 2026-10-10 https://chartandkeel.com/images/steering-gear/telemotor_system.webp The telemotor system, showing the transmitter on the bridge and the receiver at the steering gear https://chartandkeel.com/topics/sg-emergency/ 2026-10-10 https://chartandkeel.com/images/steering-gear/hand_and_power_steering.webp The hydraulic circuit for hand and power steering, showing the steering cylinders, the control cylinder, the floating lever and the changeover valves https://chartandkeel.com/topics/sg-operation-and-testing/ 2026-10-10 https://chartandkeel.com/images/steering-gear/actuator_type_steering_gear.webp An electro-hydraulic steering gear of the actuator type, shown as a general arrangement https://chartandkeel.com/topics/sg-maintenance/ 2026-10-10 https://chartandkeel.com/images/steering-gear/bearing_clearance_measurement.webp Measuring a bearing clearance with external and internal callipers, showing the three measurement positions https://chartandkeel.com/topics/sg-failure-protection-and-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/steering-gear/split_system_failsafe.webp The Hastie-Brown split system, shown in split operation https://chartandkeel.com/topics/sg-safety/ 2026-10-10 https://chartandkeel.com/topics/refrigeration-principles-and-cycle/ 2026-10-10 https://chartandkeel.com/images/refrigeration/ice_water_steam_phase_changes.webp Ice-water-steam phase changes showing sensible heat, latent heat of fusion and vaporisation, and superheat https://chartandkeel.com/topics/refrigerants-properties-and-selection/ 2026-10-10 https://chartandkeel.com/images/refrigeration/tewi_warming_impact.webp TEWI worked example for a medium-temperature R134a plant https://chartandkeel.com/topics/refrigeration-compressor/ 2026-10-11 https://chartandkeel.com/images/refrigeration/reciprocating_compressor_strokes.webp Reciprocating compressor suction stroke and discharge stroke https://chartandkeel.com/topics/condenser-and-evaporator/ 2026-10-10 https://chartandkeel.com/images/refrigeration/condenser_load_ph_diagram.webp Condenser load shown on a pressure enthalpy diagram https://chartandkeel.com/topics/expansion-valves-and-liquid-control/ 2026-10-10 https://chartandkeel.com/images/refrigeration/lp_float_valve_flooded_cooler.webp Low-pressure float valve on a flooded cooler https://chartandkeel.com/topics/controls-safety-and-circuit-components/ 2026-10-11 https://chartandkeel.com/images/refrigeration/dry_expansion_circuit_components.webp Dry expansion circuit showing all components https://chartandkeel.com/topics/oil-in-refrigerant-systems/ 2026-10-11 https://chartandkeel.com/images/refrigeration/oil_bleed_rectifier_r22.webp Oil bleed and rectifier for an R.22 flooded evaporator https://chartandkeel.com/topics/system-operation-and-watchkeeping/ 2026-10-10 https://chartandkeel.com/images/refrigeration/hold_ventilation_temperature_control.webp Hold ventilation temperature control https://chartandkeel.com/topics/troubleshooting/ 2026-10-10 https://chartandkeel.com/images/refrigeration/fault_diagnosis_diagram.webp Refrigeration system fault diagnosis diagram https://chartandkeel.com/topics/air-conditioning/ 2026-10-10 https://chartandkeel.com/images/refrigeration/dew_point.webp Dew point https://chartandkeel.com/topics/maintenance-overhaul-and-repair/ 2026-10-10 https://chartandkeel.com/topics/safety-and-emergencies/ 2026-10-10 https://chartandkeel.com/topics/purifier-principle/ 2026-10-10 https://chartandkeel.com/topics/purifier-types-classification/ 2026-10-10 https://chartandkeel.com/topics/purifier-construction/ 2026-10-10 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_1/p012_fig0.webp Selfjector bowl component arrangement https://chartandkeel.com/topics/purifier-working/ 2026-10-10 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_1/p058_fig0.webp Selfjector three-phase purifier bowl — Fig. 5.13 https://chartandkeel.com/topics/purifier-operations/ 2026-10-11 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_1/p049_fig0.webp Selfjector system valves and control components https://chartandkeel.com/topics/purifier-maintenance/ 2026-10-11 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_1/p012_fig0.webp Purifier bowl and hydraulic components https://chartandkeel.com/topics/purifier-safety/ 2026-10-11 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_2/p014_fig1.webp Emergency stop and automatic control panel https://chartandkeel.com/topics/purifier-troubleshooting/ 2026-10-11 https://chartandkeel.com/images/mep/purifier/Purifier_Mitsubishi_Selfjector_Manual_1/p103_fig0.webp Oil-flow fault and countermeasure table https://chartandkeel.com/topics/pipelines-systems-bilge-ballast/ 2026-10-10 https://chartandkeel.com/images/mep/seawater-circulating-system.webp Main seawater circulating system feeding lube oil, jacket water and charge air coolers https://chartandkeel.com/topics/ows-why-the-ows-is-fitted/ 2026-10-10 https://chartandkeel.com/images/ows/automatic_oily_water_separator.webp Automatic oily water separator with gravity separation stage and coalescing second stage https://chartandkeel.com/topics/ows-discharge-regulations/ 2026-10-10 https://chartandkeel.com/topics/ows-how-separation-works/ 2026-10-10 https://chartandkeel.com/images/ows/separation_performance_globule_size.webp Chart showing the separation performance achieved against oil globule size https://chartandkeel.com/topics/ows-pump-selection-and-suction-mode/ 2026-10-10 https://chartandkeel.com/images/ows/suction_mode_normal_and_cleaning.webp Automatic oily water separator in suction mode — normal mode and cleaning mode https://chartandkeel.com/topics/ows-inside-the-separator/ 2026-10-10 https://chartandkeel.com/images/ows/simplex_turbulo_separator.webp Simplex-Turbulo oil water separator, general arrangement https://chartandkeel.com/topics/ows-oil-content-monitoring/ 2026-10-10 https://chartandkeel.com/images/ows/direct_light_monitor_chamber.webp Direct light oil content monitoring chamber https://chartandkeel.com/topics/ows-the-bilge-system/ 2026-10-10 https://chartandkeel.com/images/ows/bilge_system_plan.webp Ship's bilge system plan showing the bilge main, pumps, hold suctions, overboard discharges, oily water separator and monitor https://chartandkeel.com/topics/ows-operating-the-ows/ 2026-10-10 https://chartandkeel.com/topics/ows-troubleshooting/ 2026-10-10 https://chartandkeel.com/topics/ows-maintenance/ 2026-10-10 https://chartandkeel.com/topics/ows-oily-sludge-and-disposal/ 2026-10-10 https://chartandkeel.com/images/ows/incinerator_plant.webp Water tube boiler combined with incinerator plant https://chartandkeel.com/topics/ows-safety/ 2026-10-10 https://chartandkeel.com/topics/stp-what-sewage-is/ 2026-10-10 https://chartandkeel.com/topics/stp-aerobic-and-anaerobic/ 2026-10-10 https://chartandkeel.com/topics/stp-discharge-regulations/ 2026-10-10 https://chartandkeel.com/topics/stp-sewage-treatment-plant/ 2026-10-10 https://chartandkeel.com/images/stp/sewage_plant_section.webp Sectional arrangement of a sewage treatment plant showing aeration chamber, coarse screen, sludge return, chlorinator and level control https://chartandkeel.com/topics/stp-retention-and-zero-discharge/ 2026-10-10 https://chartandkeel.com/images/stp/elsan_sewage_plant.webp Elsan type sewage plant https://chartandkeel.com/topics/stp-effluent-quality/ 2026-10-10 https://chartandkeel.com/topics/stp-sludge-disposal/ 2026-10-10 https://chartandkeel.com/topics/stp-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/stp/indexed-biological-sewage-treatment-plant.webp Biological sewage treatment plant diagram showing the aeration chamber, settlement chamber, sludge return, chlorination and collection https://chartandkeel.com/topics/stp-maintenance/ 2026-10-10 https://chartandkeel.com/topics/stp-safety/ 2026-10-10 https://chartandkeel.com/images/stp/drager_gas_detector_tube.webp Drager type multi-gas detector tube with aspirator pump, showing an unused tube and a used tube with the stain length marked https://chartandkeel.com/topics/workshop-practicals-vernier-threads-ndt/ 2026-10-10 https://chartandkeel.com/topics/globe-gate-valve-overhaul/ 2026-10-10 https://chartandkeel.com/images/mep/globe-valve-and-sdnr-section.webp Globe valve section and SDNR screw-down non-return detail https://chartandkeel.com/topics/butterfly-valve-sea-chest/ 2026-10-10 https://chartandkeel.com/images/mep/butterfly-valve-types.webp Manual lever and actuated butterfly valves https://chartandkeel.com/topics/sea-chests-high-low-suction-mgps/ 2026-10-10 https://chartandkeel.com/images/safety/mgps-sea-chest-anode-wiring.webp MGPS dual anode impressed current wiring diagram in sea chest https://chartandkeel.com/topics/sea-chest-strainers/ 2026-10-10 https://chartandkeel.com/images/mep/sea-chest-basket-strainer.webp Cross-section of marine low-pressure sea-water suction basket strainer with vent cock and quick-release cover https://chartandkeel.com/topics/pipe-corrosion-failure-response/ 2026-10-10 https://chartandkeel.com/topics/fwg-operation-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/mep/fwg-plate-flow.webp Plate FWG flow diagram with jacket circuit, evaporator, condenser, ejectors and salinometer loop https://chartandkeel.com/topics/hydrophore-water-supply/ 2026-10-10 https://chartandkeel.com/topics/aux-what-the-auxiliary-engine-is/ 2026-10-10 https://chartandkeel.com/images/aux-engine/diesel_generator_set_schematic.webp Diesel engine driving an alternator, with its air, exhaust, fuel, cooling, lubricating and starting systems shown https://chartandkeel.com/topics/aux-the-diesel-generator-set/ 2026-10-10 https://chartandkeel.com/images/aux-engine/flywheel_and_coupling.webp Section through the flywheel end of a medium-speed engine showing the flywheel, its housing and the coupling to the generator https://chartandkeel.com/topics/aux-the-engine-structure/ 2026-10-10 https://chartandkeel.com/images/aux-engine/bedplate_types.webp Box type and modern fabricated bedplate arrangements https://chartandkeel.com/topics/aux-the-moving-parts/ 2026-10-10 https://chartandkeel.com/images/aux-engine/cylinder_liner_in_block.webp Cylinder liner fitted into its block, with the liner bore and the cooling water space around it https://chartandkeel.com/topics/aux-the-valve-gear-and-fuel-injection/ 2026-10-10 https://chartandkeel.com/images/aux-engine/inlet_and_exhaust_valves.webp Inlet and exhaust valves side by side, showing the larger inlet valve and the smaller exhaust valve https://chartandkeel.com/topics/aux-starting-the-engine/ 2026-10-10 https://chartandkeel.com/images/aux-engine/air_start_valve_in_head.webp Air start valve fitted in the cylinder head, showing the operating piston, pneumatic control valve, relief valve and flame trap https://chartandkeel.com/topics/aux-governing-and-speed-control/ 2026-10-10 https://chartandkeel.com/images/aux-engine/governor_principle.webp Governor principle, showing the rotating weights, pilot valve, servo piston and the graph of speed against load https://chartandkeel.com/topics/aux-cooling-lubrication-and-fuel/ 2026-10-10 https://chartandkeel.com/images/aux-engine/closed_circuit_cooling_system.webp Closed circuit cooling system for an auxiliary engine, showing the sea water circuit through the intercooler, oil cooler and jacket water cooler, and the fresh water circuit round the engine https://chartandkeel.com/topics/aux-the-alternator-and-switchboard/ 2026-10-10 https://chartandkeel.com/images/aux-engine/shore_supply_connection.webp Shore supply connection to the ship's main switchboard, showing the incoming cable, the shore breaker and the interlocks against parallel operation with the ship's generators https://chartandkeel.com/topics/aux-the-emergency-generator/ 2026-10-10 https://chartandkeel.com/images/aux-engine/battery_specific_gravity.webp A lead-acid battery with a hydrometer, showing the specific gravity measurement used to confirm the state of charge of the emergency generator's starting battery https://chartandkeel.com/topics/aux-operating-the-plant/ 2026-10-10 https://chartandkeel.com/images/aux-engine/engine_safety_devices.webp Engine safety devices, showing the low lubricating oil pressure trip, the high jacket water temperature trip and the overspeed trip on an auxiliary engine https://chartandkeel.com/topics/aux-maintenance-and-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/aux-engine/cage_type_exhaust_valve.webp A caged exhaust valve assembly, showing the valve and seat contained in a cage that can be withdrawn from the cylinder head as a unit https://chartandkeel.com/topics/aux-safety/ 2026-10-10 https://chartandkeel.com/images/aux-engine/crankcase_relief_valve.webp A crankcase relief valve, showing the aluminium alloy disc held by a spring and the absence of a valve spindle, fitted to a crankcase door https://chartandkeel.com/topics/deck-what-machinery-has-to-do/ 2026-10-10 https://chartandkeel.com/topics/deck-electric-drives/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/ward_leonard_winch_characteristic.webp Load/speed characteristic of a Ward-Leonard thyristor controlled winch https://chartandkeel.com/topics/deck-hydraulic-systems/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/norwinch_hydraulic_drive.webp Norwinch single hydraulic drive https://chartandkeel.com/topics/deck-anchor-handling/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/windlass_cable_lifter_plan.webp Part plan of a windlass dog-clutch-type cable lifter https://chartandkeel.com/topics/deck-mooring-equipment/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/anchor_cable_warping_capstan.webp Anchor cable and warping capstan https://chartandkeel.com/topics/deck-cargo-winches-and-derricks/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/union_purchase_rig.webp Union Purchase rig https://chartandkeel.com/topics/deck-cranes/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/crane_luffing_arrangement.webp Crane luffing rope arrangement https://chartandkeel.com/topics/deck-hatch-covers/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/single_pull_hatch_cover.webp Single pull hatch cover https://chartandkeel.com/topics/deck-lifeboat-davits-and-winches/ 2026-10-10 https://chartandkeel.com/images/deck-machinery/gravity_davits.webp Overhead gravity davits https://chartandkeel.com/topics/deck-maintenance/ 2026-10-10 https://chartandkeel.com/topics/deck-safety/ 2026-10-10 https://chartandkeel.com/topics/shaft-system/ 2026-10-10 https://chartandkeel.com/images/shafting/shaft_system_glacier.webp Shaft system https://chartandkeel.com/topics/shaft-bearings/ 2026-10-10 https://chartandkeel.com/images/shafting/fluid_film_plain_bearing.webp Fluid film pressure in a plain journal bearing https://chartandkeel.com/topics/shaft-the-thrust-block/ 2026-10-10 https://chartandkeel.com/images/shafting/shafting_propulsion_layout.webp Complete propulsion shafting layout showing direct drive diesel, thrust shaft, independent thrust block, intermediate shaft, tunnel bearings, stern tube, and propeller https://chartandkeel.com/topics/shaft-couplings-and-bolts/ 2026-10-10 https://chartandkeel.com/images/shafting/conventional_coupling_bolt.webp Coupling bolt https://chartandkeel.com/topics/shaft-the-propeller-shaft/ 2026-10-10 https://chartandkeel.com/images/shafting/pilgrim_nut.webp The Pilgrim nut https://chartandkeel.com/topics/shaft-propeller-shaft-faults-and-withdrawal/ 2026-10-10 https://chartandkeel.com/images/shafting/propeller_shaft_faults.webp Propeller shaft faults https://chartandkeel.com/topics/shaft-sea-water-lubricated-stern-tubes/ 2026-10-10 https://chartandkeel.com/images/shafting/sea_water_stern_tube.webp Sea water lubricated stern tube https://chartandkeel.com/topics/shaft-oil-lubricated-stern-tubes/ 2026-10-10 https://chartandkeel.com/images/shafting/oil_stern_tube_simplex.webp Oil lubricated stern tube https://chartandkeel.com/topics/shaft-split-stern-bearings-and-withdrawable-stern-gear/ 2026-10-10 https://chartandkeel.com/images/shafting/glacier_herbert_bearing.webp Glacier-Herbert stern bearing https://chartandkeel.com/topics/shaft-stern-tube-seals/ 2026-10-10 https://chartandkeel.com/images/shafting/simplex_compact_seal.webp Simplex Compact lip seal https://chartandkeel.com/topics/shaft-alignment/ 2026-10-10 https://chartandkeel.com/images/shafting/alignment_load_variation.webp Alignment variation with load condition https://chartandkeel.com/topics/shaft-the-propeller/ 2026-10-10 https://chartandkeel.com/images/shafting/fixed_pitch_terminology.webp Fixed pitch propeller terminology https://chartandkeel.com/topics/shaft-reduction-gearing-and-clutches/ 2026-10-10 https://chartandkeel.com/images/shafting/reverse_reduction_gearbox.webp Reverse/reduction gearbox https://chartandkeel.com/topics/shaft-ancillaries/ 2026-10-10 https://chartandkeel.com/images/shafting/electrical_torsion_meter.webp Electrical torsion meter https://chartandkeel.com/topics/engine-watchkeeping-duties/ 2026-10-10 https://chartandkeel.com/topics/permits-to-work-enclosed-space-entry/ 2026-10-10 https://chartandkeel.com/images/safety/combustible-gas-indicator-explosimeter.webp Combustible gas indicator Wheatstone bridge circuit schematic https://chartandkeel.com/topics/permits-to-work-hot-work-aloft-loto/ 2026-10-10 https://chartandkeel.com/images/safety/gas-cutting-torch-arrangement.webp Oxy-acetylene cutting torch and heating fuel safety arrangement https://chartandkeel.com/topics/emergency-safeguards-remote-stops-skylights-dampers/ 2026-10-10 https://chartandkeel.com/images/safety/remote-fuel-shutoff-valve.webp Quick closing valve remote wire-pull and handwheel mechanism https://chartandkeel.com/topics/theoretical-cycles-otto-diesel-dual/ 2026-10-10 https://chartandkeel.com/images/motor/otto-cycle-pv.webp Otto cycle p-V diagram with vertical constant-volume heat addition https://chartandkeel.com/topics/diesel-engine-basics-terminology/ 2026-10-10 https://chartandkeel.com/images/motor/piston-stroke.webp Piston stroke as TDC to BDC travel set by crank length https://chartandkeel.com/topics/diesel-engine-types-compared/ 2026-10-10 https://chartandkeel.com/images/motor/diesel-classification-chart.webp Diesel classification by speed, piston connection, charging, ignition and operating cycle https://chartandkeel.com/topics/two-stroke-engine-structure/ 2026-10-10 https://chartandkeel.com/images/motor/engine-frame-structure.webp Engine frame showing bedplate, framebox, cylinder frame and stay bolts https://chartandkeel.com/topics/marine-crankshaft-types/ 2026-10-10 https://chartandkeel.com/images/motor/crankshaft-fully-built-parts.webp Fully-built crankshaft parts: webs, crankpin and journals before shrink fitting https://chartandkeel.com/topics/engine-bearings-guide-thrust/ 2026-10-10 https://chartandkeel.com/images/motor/crosshead-oil-supply.webp Crosshead oil paths from telescopic supply to lower bearing cut-out, piston cooling and bottom end https://chartandkeel.com/topics/chain-drive-camshaft-inspection/ 2026-10-10 https://chartandkeel.com/images/motor/camshaft-chain-drive-general-arrangement.webp General Arrangement of Marine Engine Camshaft Chain Drive Transmission https://chartandkeel.com/topics/charge-air-cooler-purpose-care/ 2026-10-10 https://chartandkeel.com/images/motor/scavenge-air-system-flow-diagram.webp Complete MAN B&W scavenge air system flow diagram showing turbocharger compressor, charge air cooler, water mist catcher, non-return flap valves, auxiliary blowers, and scavenge receiver https://chartandkeel.com/topics/fuel-pumps-vit-common-rail/ 2026-10-10 https://chartandkeel.com/images/motor/camshaft-jerk-pump-injection-system-layout.webp Camshaft jerk pump injection system layout showing cam, roller follower, pump assembly, high-pressure pipe, and spring-loaded fuel injector https://chartandkeel.com/topics/fuel-injector-atomisation-tests-overhaul/ 2026-10-10 https://chartandkeel.com/images/motor/fuel-injector-assembly-cross-section.webp Complete marine fuel injector assembly cross section showing nozzle, needle, pressure spindle, compression spring, adjusting screw, and leak-off connection https://chartandkeel.com/topics/electronic-engines-camless-control/ 2026-10-11 https://chartandkeel.com/images/indexer/phase-11/electronic-engine-hydraulic-control-system.webp Indexer schematic of an electronically controlled MAN B&W engine showing the servo-oil HPS, per-cylinder CCUs, ELFI and ELVA, and the approximately 200-bar hydraulic circuit https://chartandkeel.com/topics/marine-engine-model-designation-codes/ 2026-10-10 https://chartandkeel.com/topics/stuffing-box-sealing-rings-running-in/ 2026-10-10 https://chartandkeel.com/images/motor/crosshead-pin-and-guide-assembly.webp Sulzer RTA Crosshead Pin, Connecting Rod, and Guide Assembly https://chartandkeel.com/topics/four-stroke-aux-engine-design/ 2026-10-11 https://chartandkeel.com/images/motor/aux-engine-components.webp Auxiliary engine section with all fixed and moving components labelled https://chartandkeel.com/topics/gas-turbine-marine-working/ 2026-10-11 https://chartandkeel.com/images/motor/gas-turbine-sections.webp Gas turbine sections from compressor front frame through combustor and HP turbine to power turbine and exhaust https://chartandkeel.com/topics/indicator-diagrams-performance/ 2026-10-10 https://chartandkeel.com/images/motor/engine-indicator-instrument-construction.webp Mechanical Engine Indicator Instrument Construction Details https://chartandkeel.com/topics/two-stroke-start-preparation/ 2026-10-10 https://chartandkeel.com/images/motor/bridge-to-ecr-control-changeover.webp Change-over diagram of engine control stations between Navigation Bridge, Engine Control Room, and Local Emergency Stand https://chartandkeel.com/topics/starting-reversing-two-stroke/ 2026-10-11 https://chartandkeel.com/images/motor/air-start-system.webp Air start system from compressors and receivers through auto valve and distributor to cylinder valves https://chartandkeel.com/topics/manoeuvring-port-operations/ 2026-10-10 https://chartandkeel.com/images/motor/manoeuvring-interlocks.webp Manoeuvring logic from telegraph through governor, interlocks and distributor to starting air and fuel https://chartandkeel.com/topics/four-stroke-operation-alternator/ 2026-10-10 https://chartandkeel.com/images/motor/4stroke-safety-devices.webp Four-stroke safety devices: LO and jacket trips, overspeed, breather, relief valves and mist detector https://chartandkeel.com/topics/lo-fuel-systems-treatment/ 2026-10-11 https://chartandkeel.com/images/motor/lo-system-circuit.webp Lube oil system circuit with sump, pumps, purifier loop, cylinder oil tanks and monitoring points https://chartandkeel.com/topics/safe-operation-vigilance/ 2026-10-10 https://chartandkeel.com/images/motor/integrated-alarm-monitoring-system-architecture.webp Architecture diagram of integrated alarm monitoring system, showing sensors, field data hubs, central ECR console, bridge repeaters, and cabin alarm extension https://chartandkeel.com/topics/engine-protections-performance/ 2026-10-10 https://chartandkeel.com/images/motor/slowdown-sensor-map.webp Engine section showing slow-down and shut-down sensor positions https://chartandkeel.com/topics/starting-running-troubles/ 2026-10-10 https://chartandkeel.com/images/motor/starting-air-interlock-circuit-faults.webp Pneumatic diagram of marine engine starting air system, showing main starting valve, pilot distributor, and interlock control circuits https://chartandkeel.com/topics/explosion-physics-omd-relief/ 2026-10-10 https://chartandkeel.com/images/motor/oil-mist-detector-graviner-optical.webp Graviner Oil Mist Detector Dual-Tube Optical Comparison Layout https://chartandkeel.com/topics/governors-mechanical-hydraulic/ 2026-10-10 https://chartandkeel.com/images/motor/governor-speed-droop-characteristics.webp Speed Droop characteristic curves showing 0% isochronous vs 2% and 4% droop slopes across no-load to full-load https://chartandkeel.com/topics/scavenging-turbocharging-surge/ 2026-10-10 https://chartandkeel.com/images/motor/turbocharger-cross-section-components.webp Marine Turbocharger Cross-Sectional Component Architecture https://chartandkeel.com/topics/engine-controls-measurement/ 2026-10-10 https://chartandkeel.com/images/motor/alphatronic-propulsion-control-system.webp MAN Diesel Alphatronic 2000 propulsion control system architecture showing Bridge, ECR, and Local control stations with integrated telegraph, governor, and safety interlocks https://chartandkeel.com/topics/electrical-fundamentals-laws/ 2026-10-10 https://chartandkeel.com/topics/msb-protection-bus-transfer/ 2026-10-10 https://chartandkeel.com/images/electrical/msb-esb-abt.webp Hand-drawn single-line diagram of MSB, emergency bus, ABT switch, generators and battery charging https://chartandkeel.com/topics/induction-motors-testing/ 2026-10-10 https://chartandkeel.com/images/electrical/circuit-faults.webp Open, short-circuit and earth fault sketches on a generator-load circuit https://chartandkeel.com/topics/motor-starters-reduced-voltage/ 2026-10-10 https://chartandkeel.com/images/electrical/indexer/star-delta-starter-schematic.webp Indexer marine star-delta power circuit showing the line, star and delta contactors and six motor terminals https://chartandkeel.com/topics/transformers-electronics/ 2026-10-10 https://chartandkeel.com/images/electrical/transformer-cores.webp Laminated cores with primary and secondary windings, single and three-phase symbols and connections https://chartandkeel.com/topics/alternators-parallel-running/ 2026-10-11 https://chartandkeel.com/images/electrical/indexer/brushless-alternator-figure-6-12.webp Indexer Figure 6.12: AVR supplies the exciter field; three-phase exciter rotor output is rectified on the shaft to energize the main alternator rotor https://chartandkeel.com/topics/batteries-supplies-distribution/ 2026-10-10 https://chartandkeel.com/images/electrical/trickle-charge-circuit.webp Trickle and full-charge battery circuit with load, charge paths and test switch https://chartandkeel.com/topics/instruments-safety-ship-systems/ 2026-10-10 https://chartandkeel.com/images/electrical/earth-fault-alarm.webp Hand-drawn earth-fault alarm circuit with lamp, hooter, relay and test potentiometer https://chartandkeel.com/topics/generator-operation-onload/ 2026-10-10 https://chartandkeel.com/topics/power-factor-rms-phase/ 2026-10-10 https://chartandkeel.com/topics/crane-deck-machinery-safeties/ 2026-10-10 https://chartandkeel.com/topics/electrical-protection-discrimination/ 2026-10-10 https://chartandkeel.com/topics/boiler-plant-working-flow/ 2026-10-10 https://chartandkeel.com/images/boiler/marine_radiant_boiler.webp Marine radiant boiler arrangement https://chartandkeel.com/topics/boiler-startup-shutdown/ 2026-10-10 https://chartandkeel.com/images/boiler/boiler_controls_safety.webp Boiler controls, water-level indication, and safety devices https://chartandkeel.com/topics/boiler-normal-operation/ 2026-10-10 https://chartandkeel.com/images/boiler/boiler_controls_safety.webp Boiler controls, water-level indication, and safety devices https://chartandkeel.com/topics/boiler-water-treatment-blowdown/ 2026-10-10 https://chartandkeel.com/images/boiler/water_chemistry_control.webp Boiler water chemistry control philosophy https://chartandkeel.com/topics/boiler-safety-emergencies/ 2026-10-10 https://chartandkeel.com/images/boiler/boiler_controls_safety.webp Boiler controls, water-level indication, and safety devices https://chartandkeel.com/topics/boiler-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/boiler/burner_air_register.webp Boiler burner and air register arrangement https://chartandkeel.com/topics/boiler-overhaul-inspection-repair/ 2026-10-10 https://chartandkeel.com/images/boiler/air_register_refractory.webp Burner air register, quarl refractory, and burner support tube https://chartandkeel.com/topics/pump-principles-and-types/ 2026-10-10 https://chartandkeel.com/images/pumps/centrifugal_impeller_action.webp Centrifugal impeller action: liquid thrown outwards and pressure dropped at the eye https://chartandkeel.com/topics/centrifugal-pump-construction/ 2026-10-10 https://chartandkeel.com/images/pumps/single_stage_centrifugal_pump.webp Typical single-stage centrifugal pump https://chartandkeel.com/topics/centrifugal-pump-axial-thrust-balance-holes/ 2026-10-10 https://chartandkeel.com/images/pumps/impeller-balance-holes-wearing-ring.webp Closed impeller with balance holes and back wear ring https://chartandkeel.com/topics/pump-suction-cavitation-npsh-priming/ 2026-10-10 https://chartandkeel.com/images/pumps/npsh_available_required.webp NPSH available and NPSH required plotted against capacity https://chartandkeel.com/topics/pump-performance-curves-affinity-laws/ 2026-10-10 https://chartandkeel.com/images/pumps/centrifugal_hq_theory.webp Theoretical and actual centrifugal pump H/Q relationship https://chartandkeel.com/topics/pump-operation-watchkeeping/ 2026-10-10 https://chartandkeel.com/images/pumps/pump_maintenance_chart.webp Pump maintenance chart https://chartandkeel.com/topics/pumping-systems-onboard/ 2026-10-10 https://chartandkeel.com/images/pumps/bilge_system.webp Bilge system arrangement https://chartandkeel.com/topics/pump-troubleshooting/ 2026-10-10 https://chartandkeel.com/images/pumps/impeller_wear_erosion.webp Impeller inspection showing wear and erosion https://chartandkeel.com/topics/pump-overhaul-inspection-repair/ 2026-10-10 https://chartandkeel.com/images/pumps/pump_overhaul_clearances.webp Pump overhaul clearance and alignment checks https://chartandkeel.com/topics/pump-safety-and-emergencies/ 2026-10-10 https://chartandkeel.com/topics/bow-thrusters-and-azimuth-jet-units/ 2026-10-10 https://chartandkeel.com/images/thrusters/diesel-bow-thruster.webp Diesel driven bow thruster arrangement showing prime mover, universal shaft, pneumatic clutch and right-angle bevel gear https://chartandkeel.com/topics/fin-stabilizers-and-anti-roll-tanks/ 2026-10-10 https://chartandkeel.com/images/thrusters/denny-brown-retracting-fin.webp Arrangement of Denny-Brown athwartships retracting fin stabilizer showing fin box, guide bars, sliding crosshead and tilting shaft https://chartandkeel.com/topics/centrifugal-cargo-pumps-and-stripping-systems/ 2026-10-10 https://chartandkeel.com/images/cargo-pumps/centrifugal-cargo-pump.webp Vertical double entry centrifugal cargo oil pump and NPSH characteristic comparison https://chartandkeel.com/topics/framo-submerged-cargo-pumps/ 2026-10-10 https://chartandkeel.com/images/cargo-pumps/submerged-ballast-pump.webp Submerged Ballast Pump Installation https://chartandkeel.com/topics/steam-traps-and-pressure-reducing-valves/ 2026-10-10 https://chartandkeel.com/images/steam-systems/thermodynamic-steam-trap.webp Operation of thermodynamic steam trap Spirax Sarco https://chartandkeel.com/topics/positive-displacement-screw-gear-and-eductor-pumps/ 2026-10-10 https://chartandkeel.com/images/pumps/triple-screw-displacement-pump.webp A triple screw displacement pump IMO https://chartandkeel.com/topics/reverse-osmosis-desalination-plants/ 2026-10-10 https://chartandkeel.com/images/desalination/spiral-wound-ro-membrane.webp Spirally wound cartridge for reverse osmosis https://chartandkeel.com/topics/marine-high-voltage-installations/ 2026-10-10 https://chartandkeel.com/topics/marine-materials-metallurgy-and-testing/ 2026-10-10 https://chartandkeel.com/topics/marine-fuel-testing-and-combustion-analysis/ 2026-10-10 https://chartandkeel.com/topics/lube-oil-chemistry-and-microbial-degradation/ 2026-10-10 https://chartandkeel.com/topics/pneumatic-and-electronic-pid-controllers/ 2026-10-10 https://chartandkeel.com/topics/cylinder-liner-wear-calibration-and-cold-corrosion/ 2026-10-10 https://chartandkeel.com/images/motor/liner-cooling-water-jacket.webp Two-stroke crosshead cylinder liner cooling water guide jacket and bore-cooled upper collar https://chartandkeel.com/topics/electronic-cylinder-lubrication-alpha-and-pulse/ 2026-10-10 https://chartandkeel.com/images/motor/alpha-lubricator-system-layout.webp MAN B&W Alpha cylinder lubricating oil system layout with feedback and flow sensors https://chartandkeel.com/topics/piston-crown-rings-and-thermal-mechanics/ 2026-10-10 https://chartandkeel.com/images/motor/two-stroke-piston-crown-cooling.webp Two-stroke marine diesel piston crown construction and internal oil cooling passages https://chartandkeel.com/topics/exhaust-valve-actuation-air-spring-and-metallurgy/ 2026-10-10 https://chartandkeel.com/images/motor/exhaust-valve-assembly-cross-section.webp Two-stroke marine diesel exhaust valve assembly complete cross section with hydraulic actuator and air spring https://chartandkeel.com/topics/bedplate-foundation-holding-down-bolts-and-chocking/ 2026-10-10 https://chartandkeel.com/images/motor/bedplate-transverse-girder.webp Two-stroke marine diesel engine bedplate transverse girder and main bearing saddle construction https://chartandkeel.com/topics/marine-engine-vibrations-and-dampers/ 2026-10-10 https://chartandkeel.com/images/motor/torsional-vibration-resonance-curve.webp Torsional vibration resonance curve and barred speed range https://chartandkeel.com/topics/dual-fuel-marine-engines-me-gi-and-x-df/ 2026-10-10 https://chartandkeel.com/images/motor/me-gi-gas-supply-and-handling-system.webp MAN ME-GI dual fuel engine and high pressure gas handling units layout https://chartandkeel.com/topics/variable-injection-timing-vit-and-emissions/ 2026-10-10 https://chartandkeel.com/images/indexer/phase-11/vit-firing-pressure-and-savings.webp Indexer graph showing an engine-specific example of variable injection timing, firing pressure and possible fuel savings across load https://chartandkeel.com/topics/starting-air-system-explosions-and-distributor/ 2026-10-10 https://chartandkeel.com/images/motor/starting-air-system-layout.webp Marine diesel starting air system layout showing compressors, receivers, automatic valve, distributor, and manifold https://chartandkeel.com/topics/scavenge-fires-trunk-safety-and-relief-devices/ 2026-10-10 https://chartandkeel.com/images/motor/scavenge-fire-deposit-mechanisms.webp Mechanisms of Scavenge Fire Deposit Formation and Combustion Blow-by https://chartandkeel.com/topics/crankshaft-alignment-deflections-and-bearing-clearances/ 2026-10-10 https://chartandkeel.com/images/indexer/phase-11/semi-built-crankshaft-web.webp Indexer drawing of a one-piece forged crank throw and a separate shrink-fitted main journal https://chartandkeel.com/topics/line-diagram-fuel-oil-transfer/ 2026-10-10 https://chartandkeel.com/images/line-diagrams/hfo-mdo-transfer-system.webp Shipyard one-line piping diagram of the HFO and MDO fuel oil transfer system https://chartandkeel.com/topics/line-diagram-starting-air-system/ 2026-10-10 https://chartandkeel.com/images/line-diagrams/starting-air-system.webp Shipyard one-line piping diagram of the main engine starting air system https://chartandkeel.com/topics/line-diagram-central-cooling-water/ 2026-09-27 https://chartandkeel.com/images/line-diagrams/sea-water-cooling-system.webp Shipyard one-line piping diagram of the sea water cooling system https://chartandkeel.com/topics/line-diagram-lube-oil-system/ 2026-10-10 https://chartandkeel.com/images/line-diagrams/lubricating-oil-system.webp Shipyard one-line piping diagram of the main engine lubricating oil system https://chartandkeel.com/topics/line-diagram-bilge-ballast-fire-main/ 2026-10-10 https://chartandkeel.com/images/line-diagrams/bilge-ballast-fire-system.webp Shipyard one-line piping diagram of the combined bilge, ballast and fire main system https://chartandkeel.com/topics/line-diagram-steering-gear/ 2026-10-10 https://chartandkeel.com/topics/line-diagram-steam-system/ 2026-10-10 https://chartandkeel.com/images/line-diagrams/intermediate-heating-system.webp Shipyard piping diagram of the intermediate heating water system, showing the intermediate heater, circulating pumps, expansion tank and fuel oil tank heating coils