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Is Innovation Possible?

** In the 1950s, designers of McDonnell's Model
119 didn't know how business jets were
supposed to look.**
Gemini Sparkle

Key Takeaways:

  • The HondaJet stands out as a rare exception in modern civil aviation, featuring unique design elements like overwing engines that defy the otherwise uniform appearance and conventional engine placement of business jets and airliners.
  • Modern aircraft design is largely influenced by practical considerations such as cooling, foreign object damage, noise, and marketability, often leading designers to favor conventional, "tried-and-true" approaches over radical innovations.
  • The article uses pusher propeller configurations to illustrate how perceived aerodynamic advantages are frequently outweighed by complex real-world challenges, explaining why many theoretically appealing designs rarely make it into manufactured products.
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The HondaJet, whose prototype first flew in 2003, is the only business jet that does not look exactly like all other business jets. Its sagging chin, bulging forehead and overwing engines — all carefully optimized aerodynamic refinements — are unique among current types. They are products of the purist strain in Japanese aircraft design that also brought us the MU-2, whose full-span double-slotted flaps and 50-psf wing loading were similarly unique among its fellow twin turboprops.

The HondaJet was preceded by another Honda prototype, the odd and now forgotten MH02, which was built and tested for Honda by the Raspet Lab at Mississippi State University two decades ago. The MH02 had a forward-swept high wing, big double-slotted Fowler flaps, a T-tail on an extremely tall and narrow fin, and two JT15s perched atop the wing roots. It looked like an Aero Commander wearing a jetpack.

Peter Garrison

Peter Garrison taught himself to use a slide rule and tin snips, built an airplane in his backyard, and flew it to Japan. He began contributing to FLYING in 1968, and he continues to share his columns, ""Technicalities"" and ""Aftermath,"" with FLYING readers.

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