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Boeing Model 64

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Boeing Model 64

Model 64
Role biplane trainer
National origin United States
Manufacturer Boeing
First flight February 1926
Number built 1 (possibly 2)[1]

The Boeing Model 64 was an American biplane training aircraft built by Boeing.

Development and design

The Model 64 was built by Boeing at their own expense, and submitted to both the US Army and Navy as a primary and gunnery training aircraft.[2] The fuselage and tail was constructed of welded steel tubing, with wood wings spars and ribs. The wings used were an older version, due to stalling issues in the Model 21, and were thin enough to require two bays of bracing struts. For gunnery training a removable rear cockpit structure was built to carry a mounting ring and flexible machine gun. A fixed gun could also be mounted at the front and synchronized to fire through the propeller.[3]

The Model 64 first flew in February 1926. Later, the wings were replaced with a thicker airfoil (Munk M-12 NACA) which required only one set of struts. The updated plane first flew on 31 August 1926.[4]

The aircraft was sold to Pacific Air Transport, later fitted with an Wright J-5 engine and resold to a private owner.[5]

Operators

 United States

Specifications (seaplane)

Data from Bowers, 1966, pg. 122

General characteristics
  • Crew: 2
  • Wingspan: 36 ft 10 in (11.23 m)
  • Height: 11 ft 1 in (3.38 m)
  • Wing area: 344 ft2 (32.0 m2)
  • Empty weight: 2,140 lb (971 kg)
  • Gross weight: 2,840 lb (1,288 kg)
  • Powerplant: 1 × Wright J-3 9-cylinder radial engine, 200 hp (150 kW) each

Performance

  • Maximum speed: 93.3 mph (150 km/h)
  • Cruise speed: 84 mph (135 km/h)
  • Range: 250 miles (400 km)
  • Service ceiling: 7,500 ft (2,286 m)
  • Rate of climb: 410 ft/min (2.1 m/s)
Armament
  • 1x 0.30 in (7.7 mm) calibre machine gun.

References

  1. ^ Memo 2-34 indicated 2 Model 64s were licensed. Bowers, 1966, pg. 121
  2. ^ Bowers, 1966, pg. 120
  3. ^ Bowers, 1966, pg. 121
  4. ^ Bowers, 1966, pg. 121
  5. ^ Bowers, 1966, pg. 121
  • Bowers, Peter M. Boeing aircraft since 1916. London: Putnam Aeronautical Books, 1966.
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