big tings

registry/schema-org/EngineSpecification.schema.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "schema:EngineSpecification",
+  "title": "EngineSpecification",
+  "description": "Information about the engine of the vehicle. A vehicle can have multiple engines represented by multiple engine specification entities.",
+  "type": "object",
+  "allOf": [
+    {
+      "description": "Structured values are used when the value of a property has a more complex structure than simply being a textual value or a reference to another thing.",
+      "$ref": "schema:StructuredValue"
+    }
+  ],
+  "properties": {
+    "engineDisplacement": {
+      "description": "The volume swept by all of the pistons inside the cylinders of an internal combustion engine in a single movement. \\n\\nTypical unit code(s): CMQ for cubic centimeter, LTR for liters, INQ for cubic inches\\n* Note 1: You can link to information about how the given value has been determined using the [[valueReference]] property.\\n* Note 2: You can use [[minValue]] and [[maxValue]] to indicate ranges.",
+      "$ref": "schema:QuantitativeValue"
+    },
+    "enginePower": {
+      "description": "The power of the vehicle's engine.\n    Typical unit code(s): KWT for kilowatt, BHP for brake horsepower, N12 for metric horsepower (PS, with 1 PS = 735,49875 W)\\n\\n* Note 1: There are many different ways of measuring an engine's power. For an overview, see  [http://en.wikipedia.org/wiki/Horsepower#Engine\\_power\\_test\\_codes](http://en.wikipedia.org/wiki/Horsepower#Engine_power_test_codes).\\n* Note 2: You can link to information about how the given value has been determined using the [[valueReference]] property.\\n* Note 3: You can use [[minValue]] and [[maxValue]] to indicate ranges.",
+      "$ref": "schema:QuantitativeValue"
+    },
+    "engineType": {
+      "description": "The type of engine or engines powering the vehicle.",
+      "anyOf": [
+        { "type": "string", "format": "uri" },
+        { "type": "string" },
+        { "$ref": "schema:QualitativeValue" }
+      ]
+    },
+    "fuelType": {
+      "description": "The type of fuel suitable for the engine or engines of the vehicle. If the vehicle has only one engine, this property can be attached directly to the vehicle.",
+      "anyOf": [
+        { "type": "string", "format": "uri" },
+        { "type": "string" },
+        { "$ref": "schema:QualitativeValue" }
+      ]
+    },
+    "torque": {
+      "description": "The torque (turning force) of the vehicle's engine.\\n\\nTypical unit code(s): NU for newton metre (N m), F17 for pound-force per foot, or F48 for pound-force per inch\\n\\n* Note 1: You can link to information about how the given value has been determined (e.g. reference RPM) using the [[valueReference]] property.\\n* Note 2: You can use [[minValue]] and [[maxValue]] to indicate ranges.",
+      "$ref": "schema:QuantitativeValue"
+    }
+  }
+}