Arnold AR-6

The Arnold AR-6 is a single seat low wing monoplane racing aircraft.

Arnold AR-6
Role Monoplane
National origin United States
Designer Mike Arnold
Built by David Hoover, Mike Arnold, Craig Catto, Robby Grove, Steve Hill
First flight March 11, 2005 (2005-03-11)
Primary user Private
Number built 1
Developed from Arnold AR-5

Development

Designed by Mike Arnold, who also created the fuselage plug.[1][2] Mike is known for his original record-setting AR-5 and accompanying video series.[3][1]

Design

The AR-6 is a one of a kind racing aircraft built primarily of composite materials, Including extensive use of carbon fiber. Powered by a Continental O-200 Engine, built to compete in the Formula One category at the Reno Air Races.[4] It was designed to comply with the "Formula" Rules,[5] which limit engine displacement, propeller type, wing area, minimum aircraft weight, and landing gear type.[6] The Aircraft is also Eligible for International Air Racing.

Racing Career

"Endeavor" was originally built and raced by David Hoover, and first flew on March 11, 2005.[7] The aircraft, piloted by Hoover, placed first in the Formula One Gold event in 2007.

The aircraft was later sold to Steve Senegal, who placed First in Gold 2008, 2010, 2012, 2014, and 2015.[8]

While qualifying for the 2014 Reno Races, AR-6 "Endeavor" piloted by Senegal, set the IF1 record of 267.289 mph[9] flying the 3.1875 mile oval track in 42.931 seconds. Prior to this, Senegal set the race heat record of 260.775mph on Wednesday, September 12, 2012.[10]

Incidents

The aircraft was damaged in an air racing accident during the 2016 Reno Air Races.[11] It was subsequently repaired.

AR-6 Specifications

Data from Experimental Aircraft Association Inc.,[4] Airport-Data.com,[12] Today's Pilot, March 2006[13]

General characteristics

  • Crew: 1
  • Capacity: 2
  • Wingspan: 24.3 ft (7.4 m)
  • Wing area: 66.0 sq ft (6.13 m2)
  • Aspect ratio: 8.95
  • Empty weight: 600 lb (272 kg)
  • Fuel capacity: 5.4 gal.
  • Powerplant: 1 × O-200 Continental Reciprocating, 100 hp (75 kW) (100hp at 2,750rpm, Race: 4,400rpm)
  • Propellers: 2-bladed carbon-fiber, 4.5 ft × 5.67 ft (1.37 m × 1.73 m) diameter

Performance

  • Maximum speed: 310 mph (500 km/h, 270 kn) at 3,000 feet MSL
  • Stall speed: 63 mph (102 km/h, 55 kn)
  • g limits: +6/-4
  • Wing loading: 13.0 lb/sq ft (63 kg/m2)

References
  1. "# 11 Endeavor". Internation Formula 1 Pylon Air Racing. Archived from the original on 28 July 2018. Retrieved 27 February 2023.
  2. Making A Molded Fuselage, retrieved 2021-11-22
  3. airscapemag (2016-12-05). "Why It Goes So Fast". airscape Magazine. Retrieved 2021-11-22.
  4. "The Rest of the Story: Hoover AR-6 | EAA". www.eaa.org. Retrieved 2021-11-22.
  5. "The Official Rules of The Air Race 1 World Cup" (PDF). The Formula Air Racing Association. Retrieved 27 February 2023.
  6. Wilson, Tom (May 2015). "Formula One: Getting 260 mph out of an o-200 Continental just for fun" (PDF). Kitplanes. p. 19. Archived from the original (PDF) on 15 October 2016. Retrieved 27 February 2023.
  7. "David Hoover's AR-6 Endeavor" (PDF). 2016-10-20. Archived (PDF) from the original on 2016-10-20. Retrieved 2021-11-22.
  8. "RARA Search Results". reports.airrace.org. Retrieved 2021-11-22.
  9. "2014 Formula One Qualifiers". reports.airrace.org. Retrieved 2021-11-22.
  10. "2012 Formula One Results". reports.airrace.org. Retrieved 2021-11-22.
  11. "N616DH, Hoover Arnold AR-6 and N913FT, Reberry 3M1C1R". data.ntsb.gov. NTSB Docket - Docket Management System. 25 June 2018. Retrieved 27 February 2023.
  12. "Aircraft Data N616DH, Hoover David ARNOLD AR-6 C/N 01". www.airport-data.com. Retrieved 27 February 2023.
  13. "AR-6 Racer" (PDF). todayspilot.co.uk. Today's Pilot. March 2006. Archived from the original (PDF) on 15 October 2016. Retrieved 27 February 2023.
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