{
  "name": "Mobility Rankings test data",
  "publisher": "Mobility Rankings",
  "url": "https://mobilityrankings.com/products.json",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "sample_data": false,
  "methodology": {
    "version": "0.1",
    "status": "draft",
    "url": "https://mobilityrankings.com/methodology/",
    "updated": "2026-11-08"
  },
  "updated": "2026-11-08",
  "categories": [
    {
      "slug": "power-wheelchairs",
      "name": "Power Wheelchairs",
      "url": "https://mobilityrankings.com/power-wheelchairs/",
      "metrics": [
        {
          "key": "weight_with_battery_lb",
          "label": "Weight with battery",
          "unit": "lb",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M1"
        },
        {
          "key": "weight_without_battery_lb",
          "label": "Weight without battery",
          "unit": "lb",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M1"
        },
        {
          "key": "range_course_mi",
          "label": "Range on test course",
          "unit": "mi",
          "type": "number",
          "aggregate": "mean",
          "better": "higher",
          "method": "M2"
        },
        {
          "key": "max_incline_deg",
          "label": "Steepest ramp climbed",
          "unit": "°",
          "type": "number",
          "aggregate": "min",
          "better": "higher",
          "method": "M3"
        },
        {
          "key": "max_curb_height_in",
          "label": "Highest curb climbed",
          "unit": "in",
          "type": "number",
          "aggregate": "min",
          "better": "higher",
          "method": "M4"
        },
        {
          "key": "braking_distance_ft",
          "label": "Braking distance from top speed",
          "unit": "ft",
          "type": "number",
          "aggregate": "max",
          "better": "lower",
          "method": "M5"
        },
        {
          "key": "top_speed_mph",
          "label": "Top speed on level ground",
          "unit": "mph",
          "type": "number",
          "aggregate": "mean",
          "better": "higher",
          "method": "M5"
        },
        {
          "key": "turning_radius_in",
          "label": "Turning radius",
          "unit": "in",
          "type": "number",
          "aggregate": "max",
          "better": "lower",
          "method": "M6"
        },
        {
          "key": "overall_width_in",
          "label": "Overall width",
          "unit": "in",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M6"
        },
        {
          "key": "fits_32in_door",
          "label": "Drives through a 32-inch door",
          "unit": null,
          "type": "boolean",
          "aggregate": "all",
          "better": "true",
          "method": "M6"
        },
        {
          "key": "fold_time_s",
          "label": "Time to fold",
          "unit": "s",
          "type": "number",
          "aggregate": "median",
          "better": "lower",
          "method": "M7"
        },
        {
          "key": "folded_length_in",
          "label": "Folded length",
          "unit": "in",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M7"
        },
        {
          "key": "folded_width_in",
          "label": "Folded width",
          "unit": "in",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M7"
        },
        {
          "key": "folded_height_in",
          "label": "Folded height",
          "unit": "in",
          "type": "number",
          "aggregate": "mean",
          "better": "lower",
          "method": "M7"
        },
        {
          "key": "fits_reference_trunk",
          "label": "Fits the reference sedan trunk",
          "unit": null,
          "type": "boolean",
          "aggregate": "all",
          "better": "true",
          "method": "M7"
        }
      ],
      "subscores": [
        {
          "key": "portability",
          "label": "Portability",
          "components": [
            {
              "metric": "weight_without_battery_lb",
              "weight": 0.5,
              "best": 30,
              "worst": 80
            },
            {
              "metric": "fold_time_s",
              "weight": 0.25,
              "best": 10,
              "worst": 90
            },
            {
              "metric": "fits_reference_trunk",
              "weight": 0.25
            }
          ]
        },
        {
          "key": "range",
          "label": "Range",
          "components": [
            {
              "metric": "range_course_mi",
              "weight": 1.0,
              "best": 25,
              "worst": 5
            }
          ]
        },
        {
          "key": "terrain",
          "label": "Ramps and curbs",
          "components": [
            {
              "metric": "max_incline_deg",
              "weight": 0.5,
              "best": 12,
              "worst": 3
            },
            {
              "metric": "max_curb_height_in",
              "weight": 0.5,
              "best": 4,
              "worst": 0.5
            }
          ]
        },
        {
          "key": "braking",
          "label": "Braking",
          "components": [
            {
              "metric": "braking_distance_ft",
              "weight": 1.0,
              "best": 2,
              "worst": 8
            }
          ]
        },
        {
          "key": "maneuverability",
          "label": "Maneuvering",
          "components": [
            {
              "metric": "turning_radius_in",
              "weight": 0.6,
              "best": 24,
              "worst": 48
            },
            {
              "metric": "fits_32in_door",
              "weight": 0.4
            }
          ]
        }
      ],
      "rankings": [
        {
          "slug": "best-overall",
          "title": "Best Power Wheelchairs for Everyday Use",
          "url": "https://mobilityrankings.com/power-wheelchairs/best-overall/",
          "weights": {
            "range": 0.25,
            "terrain": 0.15,
            "braking": 0.25,
            "maneuverability": 0.2,
            "portability": 0.15
          },
          "eligibility": [],
          "results": []
        },
        {
          "slug": "lightweight-travel",
          "title": "Best Lightweight and Travel Power Wheelchairs",
          "url": "https://mobilityrankings.com/power-wheelchairs/lightweight-travel/",
          "weights": {
            "portability": 0.45,
            "range": 0.2,
            "braking": 0.2,
            "maneuverability": 0.15
          },
          "eligibility": [
            {
              "field": "specs.folds",
              "op": "==",
              "value": true,
              "label": "Folds"
            },
            {
              "field": "measured.weight_without_battery_lb",
              "op": "<=",
              "value": 50,
              "label": "Measured weight without battery of 50 lb or less"
            },
            {
              "field": "derived.faa_battery_ok",
              "op": "==",
              "value": true,
              "label": "Every battery is 300 Wh or less (FAA limit)"
            }
          ],
          "results": []
        },
        {
          "slug": "all-terrain",
          "title": "Best All-Terrain and Outdoor Power Wheelchairs",
          "url": "https://mobilityrankings.com/power-wheelchairs/all-terrain/",
          "weights": {
            "terrain": 0.45,
            "range": 0.2,
            "braking": 0.25,
            "maneuverability": 0.1
          },
          "eligibility": [
            {
              "field": "measured.max_curb_height_in",
              "op": ">=",
              "value": 2.0,
              "label": "Climbed a curb of at least 2 inches in every trial"
            }
          ],
          "results": []
        },
        {
          "slug": "heavy-duty",
          "title": "Best Heavy-Duty and Bariatric Power Wheelchairs",
          "url": "https://mobilityrankings.com/power-wheelchairs/heavy-duty/",
          "weights": {
            "braking": 0.3,
            "terrain": 0.2,
            "range": 0.25,
            "maneuverability": 0.25
          },
          "eligibility": [
            {
              "field": "specs.max_user_weight_lb",
              "op": ">=",
              "value": 400,
              "label": "Maker's rated capacity of 400 lb or more"
            }
          ],
          "results": []
        }
      ],
      "products": []
    }
  ]
}