Engineering:Okamura N-52

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Okamura N-52
Okamura N-52.png
Role Homebuilt aircraft
National origin Japan
Manufacturer Okamura Mfg. Co.
Designer Hidemasa Kimura, Nihon University College of Science and Engineering
First flight April 7, 1953
Introduction 1952

The Okamura N-52 is a low-wing, side-by-side seating sport aircraft, that was designed in Japan by students.[1]

Development

The N-52 Started as a design experiment at Nihon University. Three test airframes were funded by Asahi Press for analysis.[2]

Design

The N-52 is powered by a Continental A-65 engine. The aircraft features a single open cockpit with side-by-side seating and a taildragger landing gear. The aircraft was designed to accommodate up to 100 hp (75 kW) engines. Controllability with a 65 hp (48 kW) engine was considered sluggish.[3]

Specifications (Okamura N-52)

Data from Sport Aviation

General characteristics

  • Crew: one
  • Capacity: one passenger
  • Length: 5.99 m (19 ft 8 in)
  • Wingspan: 8.61 m (28 ft 3 in)
  • Height: 2.59 m (8 ft 6 in)
  • Wing area: 12.0 m2 (129 sq ft)
  • Empty weight: 299 kg (660 lb)
  • Gross weight: 499 kg (1,100 lb)
  • Powerplant: 1 × Continental A-65 air-cooled four-cylinder horizontally-opposed engine, 48 kW (65 hp)

Performance

  • Maximum speed: 180 km/h (110 mph, 96 kn)
  • Stall speed: 79 km/h (49 mph, 43 kn)
  • Rate of climb: 2.8 m/s (550 ft/min)

See also

Aircraft of comparable role, configuration and era

References

  1. Jane's all the world's aircraft. 1966. 
  2. Sport Aviation. March 1958. 
  3. William Green, Gerald John Pollinger. The aircraft of the world.