The Kawasaki Ki-61, also known as the "Hien" (meaning "Flying Swallow" in Japanese), was a Japanese World War II fighter aircraft developed during the early 1940s. It was powered by a Kawasaki Ha-40 liquid-cooled inline engine, allowing it to reach a top speed of approximately 580 miles per hour. The Ki-61 was designed for air superiority and aerial combat and played a significant role in the Imperial Japanese Army Air Service (IJAAF).

The Kawasaki Ki-61 was one of the few Japanese fighter aircraft to feature a liquid-cooled engine, which gave it a competitive edge in terms of speed and performance. It served as a key asset in the Pacific theater during World War II, engaging in battles against Allied aircraft. The Ki-61 had a distinctive design with an inline engine and a graceful appearance, earning it the nickname "Flying Swallow."

Key Features

  • Japanese World War II fighter aircraft developed during the early 1940s
  • Powered by a Kawasaki Ha-40 liquid-cooled inline engine
  • Top speed of approximately 580 miles per hour
  • Designed for air superiority and aerial combat
  • Pros

  • Distinctive design with a liquid-cooled engine, providing competitive speed and performance
  • Played a significant role in the Imperial Japanese Army Air Service during World War II
  • Engaged in battles in the Pacific theater against Allied aircraft
  • Cons

  • No longer in active military service
  • Historical aircraft with limited relevance to modern aviation
  • Frequently Asked Questions

    What type of engine powered the Kawasaki Ki-61?

    The Ki-61 was powered by a Kawasaki Ha-40 liquid-cooled inline engine, a unique feature for Japanese fighter aircraft of the time.

    Is the Ki-61 still in use today?

    No, the Kawasaki Ki-61 is no longer in active military service and is considered a historical aircraft that played a crucial role during World War II.

    What was the primary role of the Ki-61 in the Imperial Japanese Army Air Service?

    The primary role of the Ki-61 was air superiority and aerial combat, making it a key asset for the IJAAF during World War II.

    What was the significance of the Kawasaki Ki-61's liquid-cooled engine?

    The liquid-cooled engine of the Ki-61 provided it with a competitive advantage in terms of speed and performance compared to other Japanese fighter aircraft.

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    Did you know?

    The Kawasaki Ki-61, known as the "Flying Swallow," had a graceful and distinctive design, earning its nickname.

    It was one of the notable Japanese fighter aircraft of World War II and contributed to the air battles in the Pacific theater.

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