Układ Flettnera

Intermeshing rotors - type of helicopter rotor. Article “Układ Flettnera” in Polish Wikipedia has 12.5 points for quality (as of July 1, 2026). The article contains 1 references and 5 sections.

This article has the best quality in Ukrainian Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “Układ Flettnera”, its content was written by 6 registered users of Polish Wikipedia and edited by 245 registered Wikipedia users in all languages.

The article is cited 13 times in Polish Wikipedia and cited 274 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Polish): #46669 in May 2012
• Global: #12377 in June 2015

The highest popularity rank from 2008:

• Local (Polish): #21491 in August 2019
• Global: #124481 in August 2008

There are 19 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, 2026 (including revision history and pageviews for previous years).

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

#	Language	Quality grade	Quality score
1	Ukrainian (uk) Синхрокоптер		19.2101
2	Chinese (zh) 交差反轉式旋翼直昇機		18.9159
3	English (en) Intermeshing-rotor helicopter		18.59
4	Italian (it) Rotori controrotanti Flettner		16.5322
5	Hebrew (he) סינכרופטר		16.3022
6	German (de) Flettner-Doppelrotor		15.9958
7	Persian (fa) چرخانه‌های تداخلی		13.4772
8	Russian (ru) Синхроптер		12.8763
9	Catalan (ca) Rotors entrellaçats		12.5615
10	Polish (pl) Układ Flettnera		12.4585

More...

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

The most popular language versions of the article "Układ Flettnera" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Intermeshing-rotor helicopter		697 506
2	German (de) Flettner-Doppelrotor		379 008
3	Russian (ru) Синхроптер		116 525
4	Japanese (ja) 交差反転式ローター		115 629
5	Polish (pl) Układ Flettnera		62 857
6	Spanish (es) Rotores entrelazados		43 040
7	French (fr) Rotor engrenant		27 365
8	Portuguese (pt) Rotores entrelaçados		6 349
9	Arabic (ar) دوارات متشابكة		5 891
10	Persian (fa) چرخانه‌های تداخلی		5 575

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

The most popular language versions of the article "Układ Flettnera" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Intermeshing-rotor helicopter		2 743
2	German (de) Flettner-Doppelrotor		1 041
3	Russian (ru) Синхроптер		316
4	Japanese (ja) 交差反転式ローター		307
5	Polish (pl) Układ Flettnera		159
6	French (fr) Rotor engrenant		72
7	Chinese (zh) 交差反轉式旋翼直昇機		65
8	Spanish (es) Rotores entrelazados		52
9	Persian (fa) چرخانه‌های تداخلی		37
10	Italian (it) Rotori controrotanti Flettner		19

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

Language versions of the article "Układ Flettnera" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	German (de) Flettner-Doppelrotor		61
2	English (en) Intermeshing-rotor helicopter		40
3	Russian (ru) Синхроптер		33
4	Japanese (ja) 交差反転式ローター		16
5	French (fr) Rotor engrenant		15
6	Persian (fa) چرخانه‌های تداخلی		11
7	Portuguese (pt) Rotores entrelaçados		10
8	Arabic (ar) دوارات متشابكة		8
9	Spanish (es) Rotores entrelazados		6
10	Hebrew (he) סינכרופטר		6

More...

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

Language versions of the article "Układ Flettnera" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) دوارات متشابكة		1
2	Catalan (ca) Rotors entrellaçats		0
3	German (de) Flettner-Doppelrotor		0
4	English (en) Intermeshing-rotor helicopter		0
5	Spanish (es) Rotores entrelazados		0
6	Persian (fa) چرخانه‌های تداخلی		0
7	French (fr) Rotor engrenant		0
8	Hebrew (he) סינכרופטר		0
9	Indonesian (id) Rotor Intermeshing		0
10	Italian (it) Rotori controrotanti Flettner		0

More...

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

Language versions of the article "Układ Flettnera" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) 交差反転式ローター		59
2	Russian (ru) Синхроптер		50
3	English (en) Intermeshing-rotor helicopter		35
4	German (de) Flettner-Doppelrotor		25
5	Slovenian (sl) Sinhropter		15
6	Spanish (es) Rotores entrelazados		14
7	Polish (pl) Układ Flettnera		13
8	French (fr) Rotor engrenant		12
9	Catalan (ca) Rotors entrellaçats		10
10	Ukrainian (uk) Синхрокоптер		9

More...

#	Language	Value
ar	Arabic دوارات متشابكة
ca	Catalan Rotors entrellaçats
de	German Flettner-Doppelrotor
en	English Intermeshing-rotor helicopter
es	Spanish Rotores entrelazados
fa	Persian چرخانه‌های تداخلی
fr	French Rotor engrenant
he	Hebrew סינכרופטר
id	Indonesian Rotor Intermeshing
it	Italian Rotori controrotanti Flettner
ja	Japanese 交差反転式ローター
ms	Malay Rotor Intermeshing
pl	Polish Układ Flettnera
pt	Portuguese Rotores entrelaçados
ru	Russian Синхроптер
sl	Slovenian Sinhropter
uk	Ukrainian Синхрокоптер
vi	Vietnamese Cánh quạt nâng đan xen
zh	Chinese 交差反轉式旋翼直昇機

Best Rank

Polish: #21491 08.2019

Global: #124481 08.2008

Best Rank

Polish: #46669 05.2012

Global: #12377 06.2015

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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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information