The Propeller Untei (プロペラ雲梯) is a third stage obstacle, introduced in SASUKE 1 as the second obstacle. To clear this obstacle, the competitor must cross a series of 3 horizontal, slowly-spinning bars anchored to the top of the course. After Akiyama Kazuhiko's kanzenseiha in SASUKE 4, it became the first obstacle in Stage 3. Competitors had great success in this obstacle, as the only competitor to fail it was James Okada in SASUKE 7. In SASUKE 9 , it was replaced by the Rumbling Dice.

After 16 years hiatus, this obstacle returned. This time, as the first obstacle in Black Stage (Third Stage) of KUNOICHI 10. Although several competitors showed struggles while attempting this obstacle, due to the torque is lesser which resulted in frequent halt from the bars, all female competitors completed it. 

KUNOICHI 10 Propeller Untei

KUNOICHI 10's Propeller Untei

American Ninja Warrior

A variation of the Propeller Untei (called Propeller Bar) appeared on American Ninja Warrior 6 and USA vs. The World. Unlike the SASUKE version, there was only one wooden propeller that spun freely. Competitors needed to jump off a mini-tramp and grab a propeller, spin around, then grab a rope, transitioning to the Hang Climb. Joe Moravsky was the only one to attempt it and had completed it. Nobody failed it on American Ninja Warrior 6 and USA vs. The World. However, it returned on American Ninja Warrior 7 as the second obstacle of Stage One, but with an additional challenge of landing on a sloped platform they must climb to clear it. This took out a handful of competitors like Sam Sann, Karsten Williams, and most of the female competitors (due to their height, e.g. Kacy Catanzaro). A total of 95 competitors reached it, and 13 competitors fell on it. It returned on American Ninja Warrior 8 and proved to be just as deadly, taking out fan favorites like Michelle Warnky, Jon Stewart, Ian Dory, Mike Bernardo, and Kacy Catanzaro (for the second straight competition).

American Ninja Warrior S08E11 (Las Vegas National Finals Week 1) 217666

Propeller Bar in Stage One on American Ninja Warrior 8

Competitor's Success Rate

  • All results based on the TBS broadcast and external information found
SASUKE Clears Attempts Percentage
1 4 4 100%
2 9 9 100%
3 6 6 100%
4 10 10 100%
5 1 1 100%
6 5 5 100%
7 4 5 80%
8 4 4 100%


KUNOICHI Clears Attempts Percentage
10 3 3 100%

American Ninja Warrior

ANW Clears Attempts Percentage
ANW6 1 1 100%
ANW7 82 95 86.32%
ANW8 62 83 74.69%
Total 145 179 81%

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