{
  "schemaVersion": 1,
  "reviewedAt": "2026-09-05",
  "entries": [
    {
      "id": "orange-3s-1000-30c",
      "name": "Orange 3S · 1000 mAh",
      "type": "battery",
      "description": "1000 mAh · 11.1 V nominal · 85 g · XT60",
      "part": {
        "kind": "battery",
        "massKg": 0.085,
        "sizeM": [0.075, 0.034, 0.017],
        "color": "#252729",
        "manufacturer": "Orange",
        "model": "Orange 3S · 1000 mAh",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "battery": {
        "chemistry": "LiPo",
        "cells": 3,
        "capacityMah": 1000,
        "resistanceOhm": 0.07,
        "initialSoc": 0.95,
        "avionicsCurrentA": 0.2,
        "voltageCurve": [
          {
            "soc": 0,
            "voltsPerCell": 3.3
          },
          {
            "soc": 0.1,
            "voltsPerCell": 3.65
          },
          {
            "soc": 0.5,
            "voltsPerCell": 3.8
          },
          {
            "soc": 0.9,
            "voltsPerCell": 4.1
          },
          {
            "soc": 1,
            "voltsPerCell": 4.2
          }
        ]
      },
      "sources": [
        {
          "title": "Robu product specifications (indexed listing)",
          "url": "https://robu.in/product/orange-1000mah-3s-30c60c-lithium-polymer-battery-pack-lipo/"
        }
      ],
      "evidence": "Capacity, cell count, product mass and dimensions are retailer specifications, not shipping weight. Pack DC resistance and OCV curve are illustrative estimates, not measured for this product. The listed 1 kHz impedance is not a DC-resistance measurement. Stock, authenticity and C-rating performance are unverified; no C-rating or thermal cutoff is simulated."
    },
    {
      "id": "orange-3s-1500-40c",
      "name": "Orange 3S · 1500 mAh",
      "type": "battery",
      "description": "1500 mAh · 11.1 V nominal · 120 g · XT60",
      "part": {
        "kind": "battery",
        "massKg": 0.12,
        "sizeM": [0.074, 0.034, 0.024],
        "color": "#252729",
        "manufacturer": "Orange",
        "model": "Orange 3S · 1500 mAh",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "battery": {
        "chemistry": "LiPo",
        "cells": 3,
        "capacityMah": 1500,
        "resistanceOhm": 0.05,
        "initialSoc": 0.95,
        "avionicsCurrentA": 0.2,
        "voltageCurve": [
          {
            "soc": 0,
            "voltsPerCell": 3.3
          },
          {
            "soc": 0.1,
            "voltsPerCell": 3.65
          },
          {
            "soc": 0.5,
            "voltsPerCell": 3.8
          },
          {
            "soc": 0.9,
            "voltsPerCell": 4.1
          },
          {
            "soc": 1,
            "voltsPerCell": 4.2
          }
        ]
      },
      "sources": [
        {
          "title": "Robu product specifications (indexed listing)",
          "url": "https://stg.robu.in/product/orange-11-1v-1500mah-3s-40c-lipo-battery-pack-xt60-connector/"
        }
      ],
      "evidence": "Capacity, cell count, product mass and dimensions are retailer specifications, not shipping weight. Pack DC resistance and OCV curve are illustrative estimates, not measured for this product. The listed 1 kHz impedance is not a DC-resistance measurement. Stock, authenticity and C-rating performance are unverified; no C-rating or thermal cutoff is simulated."
    },
    {
      "id": "orange-3s-3300-35c",
      "name": "Orange 3S · 3300 mAh",
      "type": "battery",
      "description": "3300 mAh · 11.1 V nominal · 260 g · XT60",
      "part": {
        "kind": "battery",
        "massKg": 0.26,
        "sizeM": [0.134, 0.043, 0.02],
        "color": "#252729",
        "manufacturer": "Orange",
        "model": "Orange 3S · 3300 mAh",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "battery": {
        "chemistry": "LiPo",
        "cells": 3,
        "capacityMah": 3300,
        "resistanceOhm": 0.035,
        "initialSoc": 0.95,
        "avionicsCurrentA": 0.2,
        "voltageCurve": [
          {
            "soc": 0,
            "voltsPerCell": 3.3
          },
          {
            "soc": 0.1,
            "voltsPerCell": 3.65
          },
          {
            "soc": 0.5,
            "voltsPerCell": 3.8
          },
          {
            "soc": 0.9,
            "voltsPerCell": 4.1
          },
          {
            "soc": 1,
            "voltsPerCell": 4.2
          }
        ]
      },
      "sources": [
        {
          "title": "Robu product specifications (indexed listing)",
          "url": "https://stg.robu.in/product/orange-3300mah-3s-35c-80c-lithium-polymer-battery-pack-lipo/"
        }
      ],
      "evidence": "Capacity, cell count, product mass and dimensions are retailer specifications, not shipping weight. Pack DC resistance and OCV curve are illustrative estimates, not measured for this product. The listed 1 kHz impedance is not a DC-resistance measurement. Stock, authenticity and C-rating performance are unverified; no C-rating or thermal cutoff is simulated."
    },
    {
      "id": "towerpro-sg90-digital",
      "name": "TowerPro SG90 Digital",
      "type": "servo",
      "description": "9 g · 0.10 s / 60° at 4.8 V",
      "part": {
        "kind": "equipment",
        "massKg": 0.009,
        "sizeM": [0.023, 0.012199999999999999, 0.029],
        "color": "#252729",
        "manufacturer": "TowerPro",
        "model": "TowerPro SG90 Digital",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        },
        "servo": {
          "speedSecondsPer60Deg": 0.1,
          "travelDeg": 150,
          "ratedVoltage": 4.8,
          "stallTorqueNm": 0.1765197
        }
      },
      "sources": [
        {
          "title": "TowerPro manufacturer specification",
          "url": "https://towerpro.com.tw/product/sg90-7/"
        },
        {
          "title": "Robu TowerPro range — check exact variant",
          "url": "https://robu.in/product-category/dc-motors/motors/servo-motors/towerpro-servo-motor/"
        }
      ],
      "evidence": "Manufacturer mass, case dimensions, no-load speed and stall torque at 4.8 V. 150° positional range used; verify your exact unit. Robu variants and clones may differ. Speed and linkage affect simulation; torque is recorded only, with no hinge-load, BEC, thermal or servo-current model."
    },
    {
      "id": "towerpro-mg90s",
      "name": "TowerPro MG90S",
      "type": "servo",
      "description": "13.4 g · 0.10 s / 60° at 4.8 V",
      "part": {
        "kind": "equipment",
        "massKg": 0.0134,
        "sizeM": [0.0228, 0.012199999999999999, 0.0285],
        "color": "#252729",
        "manufacturer": "TowerPro",
        "model": "TowerPro MG90S",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        },
        "servo": {
          "speedSecondsPer60Deg": 0.1,
          "travelDeg": 150,
          "ratedVoltage": 4.8,
          "stallTorqueNm": 0.1765197
        }
      },
      "sources": [
        {
          "title": "TowerPro manufacturer specification",
          "url": "https://towerpro.com.tw/product/mg90s-3/"
        },
        {
          "title": "Robu TowerPro range — check exact variant",
          "url": "https://robu.in/product-category/dc-motors/motors/servo-motors/towerpro-servo-motor/"
        }
      ],
      "evidence": "Manufacturer mass, case dimensions, no-load speed and stall torque at 4.8 V. 150° positional range used; verify your exact unit. Robu variants and clones may differ. Speed and linkage affect simulation; torque is recorded only, with no hinge-load, BEC, thermal or servo-current model."
    },
    {
      "id": "emax-blheli-12a",
      "name": "EMAX BLHeli 12A ESC",
      "type": "equipment",
      "description": "11 g including wires · 2–4S",
      "part": {
        "kind": "equipment",
        "massKg": 0.011,
        "sizeM": [0.042, 0.02, 0.008],
        "color": "#252729",
        "manufacturer": "EMAX",
        "model": "BLHeli 12A",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "sources": [
        {
          "title": "EMAX BLHeli manual, hosted by Robu",
          "url": "https://robu.in/wp-content/uploads/2022/04/BLHeli-Instruction-SKU-1187881.pdf"
        }
      ],
      "evidence": "Manual lists mass including wires and case dimensions. Mass and inertia change; amp rating is informational. ESC thermal behavior, current limiting, BEC and firmware are not simulated. Avoid counting these wires again in a separate component."
    },
    {
      "id": "emax-blheli-20a",
      "name": "EMAX BLHeli 20A ESC",
      "type": "equipment",
      "description": "28 g including wires · 2–4S",
      "part": {
        "kind": "equipment",
        "massKg": 0.028,
        "sizeM": [0.052, 0.026, 0.007],
        "color": "#252729",
        "manufacturer": "EMAX",
        "model": "BLHeli 20A",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "sources": [
        {
          "title": "EMAX BLHeli manual, hosted by Robu",
          "url": "https://robu.in/wp-content/uploads/2022/04/BLHeli-Instruction-SKU-1187881.pdf"
        }
      ],
      "evidence": "Manual lists mass including wires and case dimensions. Mass and inertia change; amp rating is informational. ESC thermal behavior, current limiting, BEC and firmware are not simulated. Avoid counting these wires again in a separate component."
    },
    {
      "id": "emax-mt2213-1045-3s",
      "name": "EMAX MT2213 935KV + 1045",
      "type": "motor",
      "description": "53 g motor · 10 × 4.5 in prop · 3S reference curve",
      "part": {
        "kind": "motor",
        "massKg": 0.053,
        "sizeM": [
          0.027899999999999998, 0.027899999999999998, 0.039700000000000006
        ],
        "color": "#252729",
        "manufacturer": "EMAX",
        "model": "MT2213 935KV",
        "material": {
          "name": "metal",
          "finish": "metal"
        }
      },
      "prop": {
        "kind": "equipment",
        "massKg": 0.008,
        "sizeM": [0.254, 0.012, 0.003],
        "color": "#252729",
        "manufacturer": "EMAX",
        "model": "1045 prop (mass estimated)",
        "material": {
          "name": "plastic",
          "finish": "plastic"
        }
      },
      "motor": {
        "maxThrustN": 6.276256,
        "zeroThrustSpeedMps": 35,
        "responseSeconds": 0.085,
        "propDiameterM": 0.254,
        "propBlades": 2,
        "torquePerThrustM": 0.018,
        "model": "EMAX MT2213 935KV",
        "propeller": "EMAX1045 two blade",
        "performance": {
          "referenceVoltage": 11.1,
          "referenceDensityKgM3": 1.225,
          "points": [
            {
              "command": 0,
              "thrustN": 0,
              "currentA": 0
            },
            {
              "command": 0.450229709035222,
              "thrustN": 1.2748645,
              "currentA": 1
            },
            {
              "command": 0.5911179173047473,
              "thrustN": 2.157463,
              "currentA": 2
            },
            {
              "command": 0.6738131699846861,
              "thrustN": 2.8439285,
              "currentA": 3
            },
            {
              "command": 0.7565084226646248,
              "thrustN": 3.5303940000000003,
              "currentA": 4
            },
            {
              "command": 0.8177641653905053,
              "thrustN": 4.2168595,
              "currentA": 5
            },
            {
              "command": 0.8759571209800919,
              "thrustN": 4.8052585,
              "currentA": 6
            },
            {
              "command": 0.9157733537519143,
              "thrustN": 5.295591,
              "currentA": 7
            },
            {
              "command": 0.9448698315467075,
              "thrustN": 5.687857,
              "currentA": 8
            },
            {
              "command": 0.9816232771822359,
              "thrustN": 6.080123,
              "currentA": 9
            },
            {
              "command": 1.0,
              "thrustN": 6.276256,
              "currentA": 9.5
            }
          ]
        }
      },
      "sources": [
        {
          "title": "EMAX motor specifications and thrust table",
          "url": "https://emaxmodel.com/collections/mt-series/products/emax-mt2213-935kv-multicopter-brushless-motor"
        },
        {
          "title": "Robu motor datasheet — older variant, specifications differ",
          "url": "https://robu.in/wp-content/uploads/2017/04/EMAX-MT2213-935KV-BLDC-Motor-ROBU.IN_.pdf"
        }
      ],
      "evidence": "Motor mass and dimensions and 11.1 V / 1045 thrust-current-RPM samples from EMAX. Command is estimated RPM/max RPM, not measured PWM. Propeller mass, response time, torque ratio and air density are estimated. Robu datasheet describes an older 920KV variant; do not treat its maximum-thrust headline as this curve.",
      "shaftAxis": "z"
    },
    {
      "id": "rds3115mg-180",
      "name": "RDS3115MG · 180° tilt servo",
      "type": "servo",
      "description": "60 g · 0.14 s / 60° at 6 V · 180° travel",
      "part": {
        "kind": "equipment",
        "massKg": 0.06,
        "sizeM": [0.04, 0.02, 0.0405],
        "color": "#343434",
        "model": "RDS3115MG",
        "material": {
          "name": "metal gear servo",
          "finish": "metal"
        },
        "servo": {
          "speedSecondsPer60Deg": 0.14,
          "travelDeg": 180,
          "ratedVoltage": 6,
          "stallTorqueNm": 1.4709975
        }
      },
      "sources": [
        {
          "title": "Robocraze RDS3115MG specifications",
          "url": "https://robocraze.com/products/rds3115mg-15kg-large-torque-180-degree"
        }
      ],
      "evidence": "Retailer: 60 g, 40 × 20 × 40.5 mm, 180°, 0.14 s/60° at 6 V (0.16 at 4.8 V), 4.8–7.2 V supply. 15 kg·cm headline converted to 1.471 N·m. No loaded speed, current, backlash or linkage measurements; mount and BEC mass are separate estimates. Not bench verified."
    },
    {
      "id": "towerpro-mg996r",
      "name": "TowerPro MG996R · rear yaw servo",
      "type": "servo",
      "description": "55 g · 0.15 s / 60° at 6 V · 159° manufacturer travel",
      "part": {
        "kind": "equipment",
        "massKg": 0.055,
        "sizeM": [0.0407, 0.0197, 0.0429],
        "color": "#242629",
        "manufacturer": "TowerPro",
        "model": "MG996R",
        "material": {
          "name": "metal gear servo",
          "finish": "plastic"
        },
        "servo": {
          "speedSecondsPer60Deg": 0.15,
          "travelDeg": 159,
          "ratedVoltage": 6,
          "stallTorqueNm": 1.0787315
        }
      },
      "sources": [
        {
          "title": "TowerPro MG996R manufacturer specifications",
          "url": "https://towerpro.com.tw/product/mg996r/"
        },
        {
          "title": "Robu MG996R product listing (variant specifications differ)",
          "url": "https://robu.in/product/towerpro-mg996r-digital-high-torque-servo-motor/"
        }
      ],
      "evidence": "Manufacturer main specifications: 55 g, 40.7 × 19.7 × 42.9 mm, 0.15 s/60° at 6 V, 11 kg·cm stall torque. Manufacturer reply lists 159° travel; retailer 180° is not substituted. An older table on the manufacturer page lists 0.14 s; this entry uses the current main specification. Photo suggests this servo for rear yaw; identification and installed performance remain unverified. Speed is a no-load reference; servo load, backlash and dynamic current are not modeled."
    }
  ]
}