{
  "type": "product",
  "id": "uav-engines-ltd-uel-ar741",
  "url": "https://www.nomyparts.com/companies/uav-engines-ltd-uel/products/ar741/",
  "name": "AR741",
  "fullName": "AR741 single-rotor rotary surveillance UAV engine",
  "manufacturer": {
    "id": "uav-engines-ltd-uel",
    "name": "UAV Engines Ltd (UEL)",
    "url": "https://www.nomyparts.com/companies/uav-engines-ltd-uel/"
  },
  "category": {
    "id": "propulsion",
    "name": "Propulsion"
  },
  "subcategory": {
    "id": "combustion-engines",
    "name": "Combustion engines"
  },
  "description": "UEL AR741 is a single-rotor Wankel spark-ignition UAV engine: 38 bhp (28.3 kW) at 7,800 rpm, 208 cc, 10.7 kg without generator. It has contactless magneto ignition with an RFI-suppressed HT system and provision for an optional generator, for small surveillance UAVs.",
  "manufacturerPage": "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
  "certifications": [],
  "specifications": [
    {
      "id": "grade",
      "name": "Grade",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "Professional"
    },
    {
      "id": "market",
      "name": "Market",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "Defense"
    },
    {
      "id": "platform-class",
      "name": "Platform class",
      "sources": [],
      "verified": null,
      "value": [
        "Large UAS (25–150 kg)"
      ]
    },
    {
      "id": "airframe",
      "name": "Airframe",
      "sources": [],
      "verified": null,
      "value": [
        "Fixed-wing"
      ]
    },
    {
      "id": "availability",
      "name": "Availability",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "In production"
    },
    {
      "id": "mass",
      "name": "Mass",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": 10.7,
      "unit": "kg"
    },
    {
      "id": "max-power",
      "name": "Max power",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": 28.337,
      "unit": "kW",
      "si": {
        "value": 28337,
        "unit": "W"
      }
    },
    {
      "id": "engine-type",
      "name": "Engine type",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "Rotary (Wankel)"
    },
    {
      "id": "displacement",
      "name": "Displacement",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": 208,
      "unit": "cc",
      "si": {
        "value": 0.000208,
        "unit": "m³"
      }
    },
    {
      "id": "fuel-type",
      "name": "Fuel type",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "Gasoline"
    },
    {
      "id": "cylinders-rotors",
      "name": "Cylinders / rotors",
      "sources": [
        "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
        "https://uavenginesltd.co.uk/products/"
      ],
      "verified": "2026-10-19",
      "value": "Single Wankel rotor"
    }
  ],
  "sources": [
    {
      "url": "https://uavenginesltd.co.uk/products/ar741-38-bhp/",
      "checked": "2026-11-09"
    },
    {
      "url": "https://uavenginesltd.co.uk/products/",
      "checked": "2026-10-25"
    }
  ],
  "updated": "2026-11-12",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "licenseName": "CC BY 4.0",
  "attribution": "Source: NomyParts, https://www.nomyparts.com/companies/uav-engines-ltd-uel/products/ar741/"
}