{
  "schema_version": "1.0",
  "claims": [
    {
      "id": "edge-access-narrow-profile",
      "category": "access",
      "claim": "The 3.5\" drum and narrow working profile reach leading-edge inside radii and tight rivet borders that a 7\" pad cannot.",
      "metric": "Reach into tight radii and confined areas",
      "drum_value": null,
      "rotary_value": null,
      "unit": "qualitative",
      "status": "derived",
      "evidence_type": "spec-sheet",
      "source": "Drum diameter 3.5\" + narrow profile (Lucid product description verified 2026-05-25)",
      "audience": [
        "operator",
        "detailer"
      ],
      "notes": "When Derek photographs the tool on a Citation leading edge, add measured min inside radius in inches."
    },
    {
      "id": "sleeve-msrp",
      "category": "consumables",
      "claim": "Lucid drum-buffer sleeves are $27.50 each across three variants: wool, cotton, 50/50 blend. Sleeves fit the Lucid axial drum only; they do not fit standard rotary or orbital polishers.",
      "metric": "Sleeve unit price",
      "drum_value": 27.5,
      "rotary_value": null,
      "unit": "USD",
      "status": "verified",
      "evidence_type": "published-price",
      "source": "https://store.lucid-aero.com/products/drum-buffer-buffing-sleeves (verified 2026-05-25)",
      "audience": [
        "operator",
        "owner",
        "distributor",
        "detailer"
      ]
    },
    {
      "id": "drum-buffer-msrp",
      "category": "cost",
      "claim": "The Lucid Aero Compact Drum Buffer retails at $2,426 (sale; $2,699 regular).",
      "metric": "Lucid drum buffer price",
      "drum_value": 2426,
      "rotary_value": null,
      "unit": "USD",
      "status": "verified",
      "evidence_type": "published-price",
      "source": "https://store.lucid-aero.com/products/lucid-aero-compact-drum-buffer (verified 2026-05-25)",
      "audience": [
        "operator",
        "owner",
        "distributor",
        "detailer"
      ]
    },
    {
      "id": "tco-vs-7-inch-pneumatic",
      "category": "cost",
      "claim": "Total entry cost for the 3.5\" Lucid pneumatic drum buffer is far below a comparable 7\" pneumatic buffer once required compressor capacity is included.",
      "metric": "Total cost of entry — buffer plus minimum compressor",
      "drum_value": 2426,
      "rotary_value": null,
      "unit": "USD",
      "status": "derived",
      "evidence_type": "published-price",
      "source": "Lucid store $2,426 sale / $2,699 reg verified 2026-05-25; competitor model + min compressor spec — Derek to supply",
      "audience": [
        "operator",
        "owner",
        "distributor",
        "detailer"
      ],
      "notes": "Fill rotary_value with competitor buffer price + cheapest compressor that meets its min CFM."
    },
    {
      "id": "edge-surface-speed-1800rpm",
      "category": "finish",
      "claim": "At 1,800 RPM a 7\" rotary pad has edge surface speed near 33 ft/s; a 3.5\" drum at the same RPM is half that at the contact patch.",
      "metric": "Pad/drum contact surface speed at 1,800 RPM",
      "drum_value": 16.5,
      "rotary_value": 33.0,
      "unit": "ft/s",
      "status": "derived",
      "evidence_type": "physics-derivation",
      "source": "Surface speed = π × diameter × RPM ÷ 60. Standard kinematics.",
      "audience": [
        "operator",
        "detailer"
      ]
    },
    {
      "id": "linear-motion-no-swirl",
      "category": "finish",
      "claim": "The axial drum's pad travels linearly across the work, so it does not leave the circular swirl or hologram marks a spinning rotary disc can produce on aluminum.",
      "metric": "Swirl/hologram risk from tool geometry",
      "drum_value": null,
      "rotary_value": null,
      "unit": "qualitative",
      "status": "derived",
      "evidence_type": "physics-derivation",
      "source": "Geometry: rotational vs linear contact path. Independently noted in drum-buffer product literature (AeroBuf/Frasers, BuffPro).",
      "audience": [
        "operator",
        "owner",
        "detailer"
      ]
    }
  ]
}