HD 27
Role Mail delivery aircraft
National origin Germany
Manufacturer Heinkel
First flight 1925
Number built 1

The Heinkel HD 27 was a mail-carrying transport built in Germany in the 1920s.

Operational history

The HD 27 flew in 1925 and carried mail until 1928, when it was destroyed in a tornado. No more airframes were built, but the HD 27 formed the basis for the HD 39.[1][2]

Specifications

Data from [3]

General characteristics

  • Crew: one
  • Capacity: two mail compartments
  • Length: 8.80 m (28 ft 10 in)
  • Wingspan: 12.40 m (40 ft 8 in)
  • Powerplant: 1 × Liberty L-12 V-12 water-cooled in-line piston engine, 300 kW (400 hp)
  • Propellers: 2-bladed fixed pitch propeller

Performance

  • Maximum speed: 178 km/h (111 mph, 96 kn)
  • Cruise speed: 155 km/h (96 mph, 84 kn)

References

  1. ↑ Le Document aéronautique 1926-04. Heinkel HD27 (Avion postal)
  2. ↑ de Agostini. World Aviation. Heinkel: HD 25 - HD 44 Series Biplanes
  3. ↑ "Heinkel HD.27". airwar.ru.

Further reading

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 499.
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