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Beechcraft Duchess

By Wikipedia,
the free encyclopedia,

http://en.wikipedia.org/wiki/Beechcraft_Duchess

Model 76 Duchess
1978 model Beech 76 Duchess operated by the National Test Pilot School at the Mojave Airport
Role Four-seat cabin monoplane
Manufacturer Beechcraft
First flight September 1974[1]
Introduction 1978[1]
Primary user Flight schools[1]
Number built 437

1979 model Duchess
1979 model Duchess

1979 model Duchess
1979 model Duchess

The Beechcraft Model 76 Duchess is an American twin-engined monoplane built by Beechcraft.

The Duchess is a cantilever low-wing monoplane with an all metal structure, four seats, retractable tricycle undercarriage and a T-tail. It is powered by one 180hp (134kW) Lycoming O-360-A1G6D on the left wing and one LO-360-A1G6D on the right wing, which drive counter-rotating, constant-speed two-bladed propellers.

Development

The Duchess was developed by Beechcraft from the single-engined Beechcraft Musketeer.

The prototype was first flown in September 1974 with the first production version flown on 24 May 1977. Deliveries to the Beech Aero Centers commenced early in 1978.

The Model 76 was designed as an economical twin-engine trainer for the Beech Aero Centers and to compete with the very similar Piper PA-44 Seminole as well as the Cessna 310.

The Model 76 incorporates engines that turn in different directions to eliminate the critical engine from single engine operation.

The Duchess wing is of honeycomb construction fastened by bonding, rather than rivets, to reduce cost and produce a smoother aerodynamic surface.

The Duchess is no longer in production but large numbers remain in use in flight schools around the world.

T-tail

The use of a T-tail on the Model 76 met with mixed critical reception when the aircraft was introduced. Plane & Pilot pronounced:

while Gerald Foster said:

Specifications

Data from Green, William: Observers Aircraft, page 48. Frederick Warne Publishing, 1980. ISBN 0 7232 1604 5

General characteristics

  • Crew: 1
  • Capacity: 3 passengers, 5 with optional seating
  • Payload: 854 lb. (387.3 kg.)
  • Length: 29ft. 1in. (8.85 m)
  • Wingspan: 38ft. (11.58 m)
  • Height: 9ft. 6in. (2.89 m)
  • Wing area: 181 ft (16.8 m)
  • Airfoil: Root NACA 63A413.2 Tip NACA 63A415
  • Empty weight: 2446 lb. (1100 kg)
  • Useful load: 1454 lb. (659.5 kg)
  • Max takeoff weight: 3900 lb. (1780 kg)
  • Powerplant: × One Lycoming O-360-A1G6D and one LO-360-A1G6D, 180 hp (135 kW) each

Performance

See also

Related development

Comparable aircraft

External links




Text from Wikipedia is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply.


Published - July 2009














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