Property talk:P1100

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number of cylinders
number of cylinders in a piston engine or compressor

Description	quantity of cylinders utilized in a piston engine design - cylinder (Q245656)
Represents	cylinder (Q245656)
Data type	Quantity
Domain	According to this template: piston engines - reciprocating engine (Q630010) According to statements in the property: reciprocating engine (Q630010) or steam locomotive (Q171043) When possible, data should only be stored as statements
Allowed values	According to this template: positive integers According to statements in the property: 1 ≤ 𝓧 ≤ 300 When possible, data should only be stored as statements
Allowed units	not applicable
Example	Gnome-Rhône Mistral Major (Q902691) → 14 HF 110 C (Q1581700) → 2 VR 293 (Q4039789) → 2
Tracking: usage	Category:Pages using Wikidata property P1100 (Q42942763)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value User:Laboramus/Units/P1100 (Units used) Database reports/Constraint violations/P1100 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 7,593 Main statement 7,096 93.5% of uses Qualifier 497 6.5% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “reciprocating engine (Q630010), steam locomotive (Q171043)”: item must contain property “instance of (P31), subclass of (P279)” with classes “reciprocating engine (Q630010), steam locomotive (Q171043)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1100#Type Q630010, Q171043, SPARQL

Range from “1” to “300”: values should be in the range from “1” to “300”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1100#Range, hourly updated report

Units: “novalue”: value unit must be one of listed. (Help)

List of violations of this constraint: Database reports/Constraint violations/P1100#Units, hourly updated report

No bounds: values can't have any bounds (e.g. 1 not 1±0) (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1100#No Bounds, SPARQL

Integer: values should be integers (ie. they shouldn't have a fractional part) (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1100#integer, SPARQL

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1100#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1100#Entity types

use on instances

{{Edit request}} In addition to being valid on subclasses of reciprocating engine and steam locomotive, this should probably be valid on instances of those same things (and instances of their subclasses)

I agree with this, and have found the same problem. I'm not involved with Wikidata enough to know how to change this; I think the template I put in is wrong, but I couldn't find a better one. No-one seems to watch this page. WT79 (talk) 18:40, 24 November 2020 (UTC)

 Done with Special:Diff/1337733815. cc: Hawke666, WT79. ‐‐1997kB (talk) 14:39, 9 January 2021 (UTC)