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  "coordinates": "100 units overall; bow -X; up +Y; nominal waterline Y=0",
  "rights": "Original project geometry. No third-party mesh or texture copied.",
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      "dimensionStatus": "Nominal class reference; hull sections and exact fittings interpreted.",
      "afterMast": true,
      "profileEvidence": "After pole added from Royal Navy photograph FL 3249, May 1943. Mast dimensions and stations remain approximate.",
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      "barrelsPerMount": 2,
      "torpedoBanks": 1,
      "tubesPerBank": 2,
      "funnels": 1,
      "family": "hunt",
      "url": "/reconstruction/fleet/hunt-iii-study.glb",
      "dimensionStatus": "280 ft class length and provisional 31 ft 6 in beam; shared by the three sister-ship studies.",
      "uprightFunnel": true,
      "profileEvidence": "Upright funnel profile informed by Wensleydale photograph FL 21557. Exact photograph date and ship-specific October 1943 fittings remain unresolved.",
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      "id": "type-39",
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      "barrelsPerMount": 1,
      "torpedoBanks": 2,
      "tubesPerBank": 3,
      "funnels": 2,
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