Mace Trefethen R 2

Updated on Dec 04, 2023

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First flight September 3, 1970

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

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.

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

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; 394 km/h (245 mph)

Range: 174 nmi; 322 km (200 mi)

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