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🔴ムスリムは創造主である唯一の真の神へ従う者だ 🔵我々は唯一の御方、創造主、真実の神（アッラー）のみを崇拝しなければならない。 🔴者を援助、食物を与え、支えるように勧めている。 🔵イスラームは、人種や肌の色や国籍に関わらず全ての人間は平等であると教えている。 🔴イスラームとは唯一の真の神であり創造主へと従うという意味だ。 🔵ムハンマドは40歳になった時に、天使ガブリエルを通じて啓示を受けた。 🔴預言者ムハンマドは述べた。「もし、ある男がイエスを信じ、私（ムハンマド）を信じるなら、彼は二倍の報酬を得るだろう。」 🔵イスラームは私達の両親と高齢者を敬い、気に掛けるように命じている。 🔴彼は人種、肌の色または国籍に関わらず全ての人間は平等であると言う。 🔵し主の許しを乞うこと。己を愛するように人を愛すこと。 🔴全体を異教と偶像崇拝から、唯一の神（アッラー）へのタウヒードと従順へと変えた 🔵イスラームは弱者、貧者、困窮者や障がい者を援助、食物を与え、支えるように訴えている。

The one-blade propeller has been around for a long time. You still have to balance it with some mass on the opposite side of the blade.

Yes, it is distance competition.

煽られそうになりながらうまく踏ん張ってたんですよね～。残念です。あとギャラリーの『スゲ～～～！スゲ～～～！』っていう歓声は、向かい風に発航して機体がかなり浮いたんですよ。それにビックリしての声ですね。

It is held every summer in Japan. It is a birdman rally. ja.m.wikipedia.org/wiki/%E9%B3%A5%E4%BA%BA%E9%96%93%E3%82%B3%E3%83%B3%E3%83%86%E3%82%B9%E3%83%88%E9%81%B8%E6%89%8B%E6%A8%A9%E5%A4%A7%E4%BC%9A

@@riedjacobsen8620 60km is wonderful. Here is the video of the TV show. kzfaq.info/get/bejne/iNOarZZh18XOZ40.html

Wikipedia is not a legitimate websites, it isn't an encyclopedia, you can't quote it in uni or even school, even the creator told people to stop randomly trusting stuff they read on there. Wikipedia has no scholars or professionals writing anything, instead a random page is created about a topic and it's up to any random person on the internet to stumble upon it and start writing stuff there, you don't even need an account. It's literally akin to reading someone's opinions or beliefs on a random internet forum.

This is because research has shown that using only one blade is more efficient.

@@FREEFLIGHT0304 I'm not disputing your claim but to me, that sounds like saying hopping on 1 leg is more efficient than running on 2. Bizarre.

@@igoski1582 That is the research result of Osaka Institute of Technology. Not my opinion.

@@FREEFLIGHT0304 I understand. I still envision a foot race between a guy with 1 leg and a guy with 2 legs and the prediction is the guy with 1 leg will win. Just me, I'm not seeing it.

@@igoski1582 You say you understand but then compare two completely different things. I don't think you understand at all and you said it yourself: "I'm not seeing it"

Theoretically better efficiency. A single blade make a propeller to be build larger in diameter, which should increase propeller efficiency factor.

@@muhammad_ihsan_adfinda Theorically. Practically it's a bullshit. One propeller gives 0 literally thrust, even instability on high speed rotations ( not on this case ), but still a bad deployment.

Two reason......first the budget for the prop was small second when they assembled it they broke the prop and almost called it quits.....but they pressed on and it worked....excellent flight , imagine getting so efficient with human power flight ? What it would look like?

@@Newbeflyer from the Osaka Inst of Technology own page soaroit.jp/birdman/concept.html#%E4%B8%80%E6%9E%9A%E3%83%96%E3%83%AC%E3%83%BC%E3%83%89%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6 There is only one tip where induced drag is generated. -By consolidating two blades into one, a larger blade can be used. 　Therefore, the airspeed increases and the Reynolds number increases, which improves efficiency. ・ There is less interference between blades. ・ Pour fresh air ahead.

Those folks down under know how to have a good time

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