Change #29
Accepted by sd on 2026-09-16 02:58. It is live on the pages below; each page's History tab shows the resulting revision.
Change #29 · Deepen the city bus bill of materials: body rivets and frame, wiring, engine internals, air system, seating hardware, destination sign LEDs and lighting counted as parts accepted
New: Body Rivet city-bus-rivet
- Created Body Rivet (part): "Blind rivet or lockbolt joining body skin panels to the frame extrusions."
New: Body Frame Extrusion city-bus-frame-extrusion
- Created Body Frame Extrusion (part): "Aluminium extrusion of the space frame: pillars, roof bows, waist rails, floor bearers."
New: Frame Bracket & Node city-bus-frame-bracket
- Created Frame Bracket & Node (part): "Cast or machined node and brackets joining frame extrusions."
New: Body Bolt city-bus-body-bolt
- Created Body Bolt (part): "Flanged hex bolt used throughout the body, floor and equipment mounts."
New: Hex Nut city-bus-hex-nut
- Created Hex Nut (part): "Flanged or nyloc hex nut mating the body and chassis bolts."
New: Washer city-bus-washer
- Created Washer (part): "Flat or spring washer under bolt heads and nuts."
New: Trim Clip city-bus-trim-clip
- Created Trim Clip (part): "Plastic snap fastener holding interior panels, ducts and mouldings."
New: Cable Tie & Harness Clip city-bus-cable-tie
- Created Cable Tie & Harness Clip (part): "Tie or clip securing wiring, air lines and hoses to the frame."
New: Floor Panel city-bus-floor-panel
- Created Floor Panel (part): "Plywood-composite or aluminium floor board bonded to the bearers."
New: Floor Covering Sheet city-bus-floor-covering
- Created Floor Covering Sheet (part): "Anti-slip rubber flooring sheet with welded seams."
New: Interior Panel city-bus-interior-panel
- Created Interior Panel (part): "Side, ceiling or cove lining panel inside the saloon."
New: Window Seal & Bonding city-bus-window-seal
- Created Window Seal & Bonding (part): "Rubber glazing seal or bonding kit for one saloon window."
New: Skirt Panel city-bus-skirt-panel
- Created Skirt Panel (part): "Lower exterior body panel below the waist rail, quick-release for repair."
New: Stanchion city-bus-stanchion
- Created Stanchion (part): "Vertical stainless grab pole from floor to ceiling rail."
New: Handrail Fitting city-bus-handrail-fitting
- Created Handrail Fitting (part): "Clamp, elbow or tee joining grab rails and stanchions."
New: Stop Request Button city-bus-stop-button
- Created Stop Request Button (part): "Illuminated bell push on a stanchion or panel."
New: Seat Mounting Hardware city-bus-seat-mount
- Created Seat Mounting Hardware (part): "Cantilever bracket, rail and bolts for one passenger seat."
New: Flip-Up Seat city-bus-flip-seat
- Created Flip-Up Seat (part): "Folding seat in the wheelchair bay."
New: Wheelchair Backrest & Restraint city-bus-wheelchair-restraint
- Created Wheelchair Backrest & Restraint (part): "Padded backrest and belt at the wheelchair bay."
New: Exterior Lamp city-bus-exterior-lamp
- Created Exterior Lamp (part): "LED headlamp, tail lamp, indicator, marker or licence lamp."
New: LED city-bus-led
- Created LED (part): "Single surface-mount LED in a destination sign matrix or lighting strip."
New: Sign Driver Board city-bus-sign-pcb
- Created Sign Driver Board (part): "Circuit board driving one section of the LED destination matrix."
New: Insulated Wire (cut length) city-bus-wire
- Created Insulated Wire (cut length) (part): "One cut-to-length conductor in the multiplex or power harness."
New: Crimp Terminal city-bus-crimp-terminal
- Created Crimp Terminal (part): "Tin-plated terminal crimped to a wire end."
New: Fuse city-bus-fuse
- Created Fuse (part): "Blade or midi fuse protecting one circuit."
New: Multiplex I/O Node city-bus-multiplex-node
- Created Multiplex I/O Node (part): "Distributed input/output module on the vehicle CAN bus."
New: Camera city-bus-camera
- Created Camera (part): "Door, rear-view or saloon CCTV camera."
New: Passenger Counter Sensor city-bus-passenger-counter
- Created Passenger Counter Sensor (part): "Infrared or stereo sensor above each door."
New: PA Speaker city-bus-pa-speaker
- Created PA Speaker (part): "Saloon loudspeaker for announcements."
New: Air Line Fitting city-bus-air-fitting
- Created Air Line Fitting (part): "Push-in or compression fitting in the compressed-air system."
New: Air Line city-bus-air-line
- Created Air Line (part): "Nylon tube run of the brake, suspension or door air system."
New: Air Valve city-bus-air-valve
- Created Air Valve (part): "Protection, relay, quick-release or solenoid valve in the air system."
New: Brake Disc city-bus-brake-disc
- Created Brake Disc (part): "Ventilated disc at each wheel end."
New: Brake Pad Set city-bus-brake-pad
- Created Brake Pad Set (part): "Friction pads for one air disc brake."
New: Air Disc Brake Caliper city-bus-brake-caliper
- Created Air Disc Brake Caliper (part): "Pneumatically actuated caliper with automatic adjuster."
New: Piston Ring city-bus-piston-ring
- Created Piston Ring (part): "Compression or oil-control ring, three per piston."
New: Connecting Rod city-bus-connecting-rod
- Created Connecting Rod (part): "Forged steel rod linking a piston to the crankshaft."
New: Bearing Shell city-bus-bearing-shell
- Created Bearing Shell (part): "Half-shell plain bearing for a main or big-end journal."
New: Poppet Valve city-bus-valve
- Created Poppet Valve (part): "Intake or exhaust valve, four per cylinder."
New: Valve Spring city-bus-valve-spring
- Created Valve Spring (part): "Coil spring closing a valve."
New: Valve Train Component city-bus-valve-train
- Created Valve Train Component (part): "Rocker, pushrod or bridge, retainer and collets, guide and seat for one valve."
New: Cylinder Head city-bus-cylinder-head
- Created Cylinder Head (part): "Cast iron head with ports, injector bores and coolant passages."
New: Camshaft city-bus-camshaft
- Created Camshaft (part): "Overhead or in-block camshaft with injector and valve lobes."
New: Cylinder Liner city-bus-cylinder-liner
- Created Cylinder Liner (part): "Replaceable wet liner in the block."
New: Flywheel & Housing city-bus-flywheel
- Created Flywheel & Housing (part): "Flywheel with ring gear and the housing that mounts the transmission."
New: Engine Gasket & Seal city-bus-engine-gasket
- Created Engine Gasket & Seal (part): "Head, cover, manifold, pump and pan gaskets and seals."
New: Engine Bolt & Stud city-bus-engine-bolt
- Created Engine Bolt & Stud (part): "Fasteners for the engine assembly."
New: Engine Sensor city-bus-engine-sensor
- Created Engine Sensor (part): "Speed, position, pressure, temperature, NOx and soot sensors on the engine and aftertreatment."
New: High-Pressure Fuel Pump & Rail city-bus-high-pressure-pump
- Created High-Pressure Fuel Pump & Rail (part): "Common-rail pump and rail feeding the six injectors at up to 2,500 bar."
New: Charge Air Cooler city-bus-intercooler
- Created Charge Air Cooler (part): "Air-to-air intercooler between turbocharger and intake."
New: DEF Tank & Dosing Module city-bus-def-tank
- Created DEF Tank & Dosing Module (part): "Urea solution tank with pump and dosing injector for the SCR catalyst."
New: Exhaust Pipe & Clamp city-bus-exhaust-pipe
- Created Exhaust Pipe & Clamp (part): "Stainless exhaust pipe sections, flex joint, clamps and hangers."
New: Fuel Tank city-bus-fuel-tank
- Created Fuel Tank (part): "Aluminium or steel diesel tank, 200 to 300 litres."
New: Fuel Line city-bus-fuel-line
- Created Fuel Line (part): "Supply and return fuel lines with filters and quick connectors."
New: Coolant Hose & Clamp city-bus-coolant-fitting
- Created Coolant Hose & Clamp (part): "Silicone coolant hose section with its clamps."
New: Door Leaf city-bus-door-leaf
- Created Door Leaf (part): "Glazed aluminium door leaf of a plug or glider door."
New: Door Drive Mechanism city-bus-door-drive
- Created Door Drive Mechanism (part): "Rotary pneumatic or electric drive with linkage, sensors and emergency release for one door."
New: Door Safety Sensor city-bus-door-sensor
- Created Door Safety Sensor (part): "Edge pressure strip or light curtain detecting an obstruction."
New: Ramp Drive city-bus-ramp-drive
- Created Ramp Drive (part): "Electric or manual drive extending the wheelchair ramp."
New: Driver Partition city-bus-driver-partition
- Created Driver Partition (part): "Glazed assault screen and door around the driver area."
New: Ticket Machine & Validator city-bus-ticket-machine
- Created Ticket Machine & Validator (part): "Fare collection unit and card validators at the doors."
New: Exterior Mirror city-bus-mirror
- Created Exterior Mirror (part): "Heated, powered rear-view mirror or camera-mirror."
New: Wiper & Washer System city-bus-wiper-system
- Created Wiper & Washer System (part): "Pantograph wiper arms, motor, linkage and washer system for the large windscreen."
New: Battery Cable & Isolator city-bus-battery-cable
- Created Battery Cable & Isolator (part): "Heavy 24 V cables, master isolator switch and busbar."
New: Alternator city-bus-alternator
- Created Alternator (part): "High-output 24 V alternator."
New: Starter Motor city-bus-starter
- Created Starter Motor (part): "24 V starter motor."
New: Saloon Convector Heater city-bus-heater
- Created Saloon Convector Heater (part): "Underseat heater fed by engine coolant."
New: Heater Pipe & Hose city-bus-heater-hose
- Created Heater Pipe & Hose (part): "Coolant pipes and hoses running the length of the saloon to the convectors."
New: Fire Suppression System city-bus-fire-suppression
- Created Fire Suppression System (part): "Engine bay detection and extinguishing system with nozzles and agent cylinder."
Body Shell city-bus-body-shell
- Added city-bus-frame-extrusion × 260: "pillars, bows, rails, bearers"
- Added city-bus-frame-bracket × 480
- Added city-bus-rivet × 16000: "skin and floor panels to frame"
- Added city-bus-body-bolt × 1400
- Added city-bus-hex-nut × 900
- Added city-bus-washer × 900
- Added city-bus-floor-panel × 42
- Added city-bus-floor-covering × 6
- Added city-bus-interior-panel × 96
- Added city-bus-window-seal × 14
- Added city-bus-skirt-panel × 14
- Added city-bus-trim-clip × 1200
- Added city-bus-exterior-lamp × 26
- Added city-bus-mirror × 2
- Added city-bus-wiper-system × 1
- Added city-bus-fire-suppression × 1
Passenger Seating city-bus-passenger-seating
- Added city-bus-seat-mount × 30
- Added city-bus-body-bolt × 240: "seat and rail fixings"
- Added city-bus-stanchion × 24
- Added city-bus-handrail-fitting × 190
- Added city-bus-stop-button × 14
- Added city-bus-flip-seat × 2
- Added city-bus-wheelchair-restraint × 1
Destination Sign city-bus-destination-sign
- Added city-bus-led × 4800: "front, side and rear matrices"
- Added city-bus-sign-pcb × 12
- Added city-bus-body-bolt × 24
Electrical System city-bus-electrical
- Added city-bus-wire × 2200
- Added city-bus-crimp-terminal × 4400: "two per wire"
- Added Connector × 380
- Added city-bus-fuse × 90
- Added city-bus-multiplex-node × 12
- Added Electronic Control Unit × 16: "engine, transmission, ABS, doors, HVAC, lighting and more"
- Added city-bus-camera × 6
- Added city-bus-passenger-counter × 4
- Added city-bus-pa-speaker × 10
- Added city-bus-battery-cable × 1
- Added city-bus-alternator × 2
- Added city-bus-starter × 1
- Added city-bus-cable-tie × 900
- Added city-bus-ticket-machine × 3
- Added city-bus-led × 1200: "interior lighting strips"
Air Brake System city-bus-air-brake-system
- Added city-bus-air-fitting × 320
- Added city-bus-air-line × 60
- Added city-bus-air-valve × 22
- Added city-bus-brake-disc × 6
- Added city-bus-brake-pad × 6
- Added city-bus-brake-caliper × 6
- Added city-bus-body-bolt × 80
- Added city-bus-cable-tie × 120
Air Suspension city-bus-air-suspension
- Added city-bus-air-fitting × 40
- Added city-bus-air-line × 12
- Added city-bus-air-valve × 4: "kneeling and levelling"
- Added city-bus-body-bolt × 48
Diesel Engine city-bus-engine
- Added city-bus-piston-ring × 18
- Added city-bus-connecting-rod × 6
- Added city-bus-bearing-shell × 26
- Added city-bus-valve × 24
- Added city-bus-valve-spring × 24
- Added city-bus-valve-train × 24
- Added city-bus-cylinder-head × 1
- Added city-bus-camshaft × 1
- Added city-bus-cylinder-liner × 6
- Added city-bus-flywheel × 1
- Added city-bus-high-pressure-pump × 1
- Added city-bus-intercooler × 1
- Added city-bus-def-tank × 1
- Added city-bus-exhaust-pipe × 5
- Added city-bus-fuel-tank × 1
- Added city-bus-fuel-line × 6
- Added city-bus-engine-sensor × 22
- Added city-bus-engine-gasket × 40
- Added city-bus-engine-bolt × 520
- Added Connector × 60: "engine harness"
- Added Oil Seal × 6
Cooling System city-bus-cooling
- Added city-bus-coolant-fitting × 18
- Added city-bus-heater × 8: "saloon convectors"
- Added city-bus-heater-hose × 16
- Added city-bus-body-bolt × 40
Passenger Door city-bus-passenger-door
- Added city-bus-door-leaf × 2
- Added city-bus-door-drive × 1
- Added city-bus-door-sensor × 2
- Added city-bus-air-fitting × 8
- Added city-bus-body-bolt × 36
- Added Connector × 6
Wheelchair Ramp city-bus-wheelchair-ramp
- Added city-bus-ramp-drive × 1
- Added city-bus-body-bolt × 12
Driver Area city-bus-driver-area
- Added city-bus-driver-partition × 1
- Added city-bus-body-bolt × 40
- Added city-bus-trim-clip × 60
Low-Floor Chassis Frame city-bus-chassis
- Added city-bus-body-bolt × 260
- Added city-bus-hex-nut × 200
- Added city-bus-washer × 200
- Added city-bus-frame-bracket × 60
Machine findings
- Diesel Engine: 28 direct children (dominant function: Communicate signal) — worth checking for integration or standardization
- Body Shell: 22 direct children (dominant function: Fasten or join) — worth checking for integration or standardization
- Electrical System: 19 direct children (dominant function: Connect electrically) — worth checking for integration or standardization
- Air Brake System: 13 direct children (dominant function: Communicate signal) — worth checking for integration or standardization
- Passenger Seating: 9 direct children (dominant function: Guide motion) — worth checking for integration or standardization
- Cooling System: 9 direct children (dominant function: Convert energy) — worth checking for integration or standardization
- Passenger Door: 9 direct children (dominant function: Communicate signal) — worth checking for integration or standardization
- Driver Area: 7 direct children (dominant function: Display information) — worth checking for integration or standardization
- Air Suspension: 7 direct children (dominant function: Regulate flow) — worth checking for integration or standardization
- Low-Floor Chassis Frame: 7 direct children (dominant function: Fasten or join) — worth checking for integration or standardization
- Destination Sign: 6 direct children (dominant function: Display information) — worth checking for integration or standardization
- City Bus functions after this change: Support structure, Connect electrically, Fasten or join