1920s German aircraft
HD 27
Role
Mail delivery aircraftType of 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 [ edit ]
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]
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)
^ Le Document aéronautique 1926-04. Heinkel HD27 (Avion postal)
^ de Agostini. World Aviation. Heinkel: HD 25 - HD 44 Series Biplanes
^ "Heinkel HD.27" . airwar.ru .
Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation . London: Studio Editions. p. 499.
Company designations pre-1933
Heinkel Eindecker (HE) monoplanes Heinkel Doppeldecker (HD) biplanes
RLM designations 1933–1945Projects 1933–1945 Foreign designations