{
  "title": "Knight Templar",
  "era": "Interpreted sailing career form, before abandonment",
  "version": "1.1",
  "modelStatus": "Interpretive reconstruction; no original lines plan recovered",
  "detailLevel": "full",
  "units": "metres",
  "axes": {
    "up": "+Y",
    "bow": "-X",
    "starboard": "+Z"
  },
  "historicalDimensions": {
    "lengthFeet": 136,
    "beamFeet": 26,
    "depthOfHoldFeet": null,
    "beamInferred": false,
    "holdDepthUnknown": true,
    "dimensionsSourceQuality": "Selected documentary baseline; see vessel research notes for length and beam conflicts"
  },
  "geometryReference": {
    "hullBowX": -20.7264,
    "hullSternX": 20.7264,
    "deckY": 3.8,
    "waterlineY": 2.65,
    "waterlineIsInferred": true
  },
  "bounds": {
    "min": [
      -26.54817853923065,
      0.0050000000000000044,
      -4.0474000000000006
    ],
    "max": [
      20.811400000000003,
      29.80301873469529,
      4.0474000000000006
    ]
  },
  "triangleCount": 67424,
  "trianglesByGroup": {
    "hull": 12950,
    "bulwarks": 9346,
    "fittings": 3068,
    "deck": 6484,
    "propulsion": 52,
    "anchors": 636,
    "deckhouses": 936,
    "skylights": 60,
    "spars": 9476,
    "standing_rigging": 3456,
    "sails": 16044,
    "running_rigging": 2304,
    "cargo_hatches": 120,
    "hatch_covers": 264,
    "ship_boat": 1816,
    "steering": 412
  },
  "drawCalls": 55,
  "mastCount": 3,
  "supportsSails": true,
  "visibilityNodes": {
    "sails": "sails"
  },
  "deployedSailCount": 5,
  "inferredFeatures": [
    "Underwater hull lines and draft",
    "Exact colors, fittings, hatch layout and rigging routes",
    "Absolute spar heights and sail shapes"
  ],
  "configurationCaveat": "NOAA establishes the canal-sized schooner barge and dimensions. A secondary record supplies three masts but conflicts on the loss date. The sailing rig and deck layout are comparison-based. A surviving fleet photograph is ambiguously attributed to this vessel or Light Guard.",
  "sources": [
    {
      "title": "NOAA vessel record",
      "url": "https://thunderbay.noaa.gov/shipwrecks/gilchrest_fleet.html",
      "use": "Vessel identity, scale, history and surviving evidence"
    },
    {
      "title": "Great Lakes Shipwreck Files: Knight Templar 14110",
      "url": "https://greatlakesrex.wordpress.com/k/",
      "use": "Secondary three-mast description; conflicting loss chronology not adopted"
    },
    {
      "title": "Ambiguously attributed fleet photograph",
      "url": "https://commons.wikimedia.org/wiki/File:Knight_Templar_or_Light_Guard.png",
      "use": "Inspected comparison only; identity and overlapping rig uncertain"
    },
    {
      "title": "WHS Sailing Canallers regional context",
      "url": "https://www.wisconsinshipwrecks.org/Files/canaller-regional-context.pdf",
      "use": "Contemporary hull and rig family comparisons, not original Knight Templar plans"
    }
  ],
  "revisedDate": "2026-09-08",
  "revisionNote": "Added sourced documentary features and repaired metadata and research-note formatting; this collection cleanup is not a new full historical or geometry audit.",
  "documentedFeatures": [
    "Wooden schooner barge built by George Goble at Oswego in 1865. [NOAA vessel record](https://thunderbay.noaa.gov/shipwrecks/gilchrest_fleet.html)",
    "NOAA catalogue dimensions 136×26 ft. [NOAA vessel record](https://thunderbay.noaa.gov/shipwrecks/gilchrest_fleet.html)"
  ]
}