逆回転

ja

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逆回転

Quality:

Contra-rotating - parts of a mechanism rotating in opposite directions on a common axis to minimise the effect of torque. Article “逆回転” in Japanese Wikipedia has 11.9 points for quality (as of July 1, 2025). The article contains 3 references and 5 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Japanese) language version.

Since the creation of article “逆回転”, its content was written by 1 registered users of Japanese Wikipedia and edited by 43 registered Wikipedia users in all languages.

The article is cited 10 times in Japanese Wikipedia and cited 106 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #126784 in April 2025
  • Global: #253269 in October 2004

The highest popularity rank from 2008:

  • Local (Japanese): #479742 in July 2024
  • Global: #485410 in June 2010

There are 3 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Contra-rotating
12.1451
2Japanese (ja)
逆回転
11.8736
3Swedish (sv)
Koaxial motrotation
6.7591
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "逆回転" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Contra-rotating
341 342
2Swedish (sv)
Koaxial motrotation
6 113
3Japanese (ja)
逆回転
5 106
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "逆回転" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Contra-rotating
1 509
2Japanese (ja)
逆回転
77
3Swedish (sv)
Koaxial motrotation
49
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "逆回転" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Contra-rotating
31
2Swedish (sv)
Koaxial motrotation
11
3Japanese (ja)
逆回転
1
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "逆回転" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Contra-rotating
0
2Japanese (ja)
逆回転
0
3Swedish (sv)
Koaxial motrotation
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "逆回転" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Contra-rotating
76
2Swedish (sv)
Koaxial motrotation
20
3Japanese (ja)
逆回転
10
More...

Scores

Estimated value for Wikipedia:
Japanese:
Global:
Popularity in June 2025:
Japanese:
Global:
Popularity in all years:
Japanese:
Global:
Authors in June 2025:
Japanese:
Global:
Registered authors in all years:
Japanese:
Global:
Citations:
Japanese:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Contra-rotating
jaJapanese
逆回転
svSwedish
Koaxial motrotation

Popularity rank trends

Best Rank Japanese:
#479742
07.2024
Global:
#485410
06.2010

AI rank trends

Best Rank Japanese:
#126784
04.2025
Global:
#253269
10.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Contra-rotating from Wikipedia articles about Contra-rotating propellers, Kamov Ka-50 Black Shark, Thumb twiddling, Coaxial rotors and General Electric GEnx. Whereas reading the article about Contra-rotating people most often go to Wikipedia articles on Contra-rotating propellers, Coaxial rotors, Counter-rotating propellers, Kaman HH-43 Huskie and Kamov Ka-27.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 21 February 2026

On 21 February 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: Jeffrey Epstein, Alysa Liu, Eric Dane, 2026 Winter Olympics, Rebecca Gayheart, Johannes Høsflot Klæbo, Wuthering Heights, amyotrophic lateral sclerosis, Andrew Mountbatten-Windsor, John F. Kennedy Jr..

In Japanese Wikipedia the most popular articles on that day were: 髙木美帆, アリサ・リュウ, 中井亜美, 三浦璃来, 髙木菜那, 高橋成美, M!LK, HERO (2015年の映画), 坂本花織, 木原龍一.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information