Arnold AR-5 explained

The Arnold AR-5 is an experimental single seat, low-wing sport monoplane with fixed conventional undercarriage, designed and built by Mike Arnold.

Development and design

Originally conceived by Mike Arnold as a personal sport airplane with excellent performance and good handling qualities. The design outperformed initial performance estimates for its relatively low power output, exceeding 200mph with only 65hp.[1] Constructed of fiberglass-epoxy matrix composite material utilizing the "moldless method" popularized by Burt Rutan.[2] Careful attention to aerodynamic detail resulted in noteworthy laminar flow drag reduction, as documented by aerodynamicists Alex Strojnik and Bruce Carmichael.

Legacy

In 1992, the AR-5 flown by Mike Arnold set the FAI C1a Class World Speed Record of 343,08 km/h over a 3.0km course.[3] Mike wrote several articles about his design methodology for various magazines.[4] [5] The sole existing example resides at the Hiller Aviation Museum, San Carlos, CA.[6]

Notes and References

  1. Web site: 2016-10-20. Prologue - Mike Arnold and the AR-5. live. 2021-11-22. https://web.archive.org/web/20161020013923/http://www.ar-5.com/images/sportsmanpilot1.PDF. 2016-10-20.
  2. Book: Factory, Rutan Aircraft. Moldless Composite Sandwich Aircraft Construction. 2005. Aircraft Technical Book Company. 978-0-9774896-1-9. en. 2021-11-22. 2022-03-04. https://web.archive.org/web/20220304214310/https://books.google.com/books?id=eRyiMwAACAAJ. live.
  3. Web site: 2017-10-10. Michael S. Arnold (USA) (1097). 2021-11-22. www.fai.org. en. 2021-11-22. https://web.archive.org/web/20211122111853/https://www.fai.org/record/1097. live.
  4. Web site: "Inverse Pressure. Gradient Matching ... and other ideas for designing fast, low wing airplanes that climb and turn like mad" by MIKE ARNOLD. live. 2021-11-22. 2015-09-30. https://web.archive.org/web/20150930143312/http://contrails.free.fr/temp/Inverse%20pressure%20gradient%20matching.pdf.
  5. Web site: Kitplanes. 2021-07-02. Archive: October 1999. 2021-11-22. KITPLANES. en-US. 2021-11-22. https://web.archive.org/web/20211122111854/https://www.kitplanes.com/archive-october-1999/. live.
  6. Web site: Hiller Aviation Museum - Models on Display. live. 2021-11-22. Hiller Aviation Museum. en-US. 2021-11-22. https://web.archive.org/web/20211122111856/https://www.hiller.org/museum/aircraft-on-display/.

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