Mace-Trefethen R-2

The Mace-Trefethen R-2 Shark is an American single place racing aircraft designed in the 1970s.

R-2 "Shark"
Role Racing aircraft
National origin United States
Designer Harvey F. Mace
First flight 3 September 1970

Design and development

The R-2 is a single seat, low-wing aircraft with conventional landing gear. The wooden construction aircraft features an elliptical wing.[1]

Operational history

At the 1970 Reno Air Races Mace achieved a speed of 198.53 mph (319.50 km/h)

Specifications (R-2 Shark)

Data from Air Trails

General characteristics

  • Crew: 1
  • Length: 18 ft 6 in (5.64 m)
  • Wingspan: 16 ft (4.9 m)
  • Height: 4 ft 3 in (1.30 m)
  • Wing area: 70 sq ft (6.5 m2)
  • Airfoil: NACA 23010
  • Empty weight: 540 lb (245 kg)
  • Gross weight: 800 lb (363 kg)
  • Powerplant: 1 × Continental O-200 horizontally opposed piston aircraft engine, 100 hp (75 kW)
  • Propellers: 2-bladed

Performance

  • Maximum speed: 213 kn (245 mph, 394 km/h)
  • Range: 170 nmi (200 mi, 320 km)

References
  1. "Designer Report Mace R-2 Racer". Air Trails. Summer 1971.
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